yaskawa J50L Programming Manual

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YASNAC J50L

INSTRUCTIONS

CNC SYSTEM FOR TURNING APPLICATIONS

YASUAVVA

TOE-C843-12.20

This manual is primarily intended with 9“ CRT character

display (basic)to give operators instructions for YASNAC

J50L programming and operation.

This manual applies to the basic and optionalfeaturesof

YASNAC J50L. The optional features are marked with a

dagger. For the specificationsof your YASNAC J50L, refer to the machine toolbuilder’smanual.

YASNAC J50L OPERATORS STATION

PREFACE

When reading this manual keep in mind that the information contained herein does not cover every possible contingency which might be met during the operation. Any operation not described in this manual should not be attempted with the control.

The functions and performance as NC machine are determined by a combination of machine and the NC control. the machine toolbuilder’smanual shalltake pri-

ority over this manual.

The illustrationof machine control station should

be used for your reference in understanding the

function. and names, manual.

For operation of your NC machine,

For detailedarray of operatorls devices

refer to machine toolbuilder’s

M-CM-1

Unless otherwise specified, apply to the descriptionof

the followingrules

programming examples

shown in this manual.

Feed Function Selection:

G99 (mm/rev)

Reference Zero Point

(Return to reference zero by manual and auto-

matic return):

Absolute Zero Point:

Work Coordinate Zero Point

Dimensions:

in MM

TABLE OF CONTENTS

1. INTRODUCTION 1

2. PROGRAMMING 1

2.1

TAPE FORMAT 1 PROGRAM NUMBER AND SECNJENCE NUMBER 6

2.2

2.3

COORDINATE WORDS

RAPID TRAVERSE RATE 10

2.4 25

SPINDLE-SPEED FUNCTION (S-FUNCTION) 13 TOOL FUNCTION (T-FUNCTION) 14

2.6

MISCELLANEOUS FUNCTIONS (M-FUNCTION) 17

2.7

PREPARATORY FUNCTIONS (G-FUNCTION) 21

2.8

3. NC TAPE PUNCHING 139

3.1 TAPE CODE 139

3.2 PROGRAMMING 139

3.3 NC TAPE 141

3.4 NC TAPE HANDLING 141

4. STANDARD NC OPERATOR’S STATION WITH CRT CHARACTER DISPLAY 142

PUSHBUTTONS, KEYS, AND LAMPS 142

4.1

POWER ON/OFF OPERATION 146

4.2

4.3

DISPLAY AND WRITING OPERATION 146

4.4

LOADING PART PROGRAMS AND NC DATA INTO MEMORY (IN) 163

4.5

TAPE VERIFYING 166

4.6

EDIT 168

4.7

PART PROGRAM AND NC DATA OUTPUT OPERATIONS 170

4.8

SUMMARY OF STORING AND EDITING OPERATIONS 173

5. MACHINE CONTROL STATION 174

5.1 SWITCHING UNITS ON THE CONTROL STATION

OPERATION PROCEDURE 181

5.2

6. OPERATION PROCEDURE 195 INSPECTION BEFORE TURNING ON POWER 195

6.1

TURNING ON POWER 195

6.2 MANUAL OPERATION 195

6.3

6.4

PREPARATION FOR STORED LEADSCREW ERROR COMPENSATION AND STORED STROKE LIMITt 196

PREPARATIONS FOR AUTOMATIC OPERATION 196

6.5 OPERATION IN TAPE AND MEMORY MODE 197

6.6 MANUAL OPERATION INTERRUPTING

6.7 AUTOMATIC OPERATION 197

AUTOMATIC OPERATION IN MDI MODE 198

6.8

6.9

MDI OPERATION INTERRUPTING AUTOMATIC

OPERATION 198

6.10 PREPARATION FOR TURNING OFF POWER

6.11 TURNING OFF POWER 198

APPENDIX 1 APPENDIX 2 APPENDIX 3

APPENDIX 4

APPENDIX 5 APPENDIX 6

174

LIST OF SETTING NUMBERS A-f LIST OF PARAMETER NUMBERS STORED LEADSCREW ERROR

COMPENSATION A-24

LIST OF STANDARD lNPUT/OUTPUT

SIGNALS A-25

LIST OF ALARM CODES A-35 LIST OF DATA A-54

198

A-7

...

111

INDEX

Subject Chapter

A ABSOLUTE AND INCREMENTAL LNPUTS . . . . . . . . . . . . . . . 2 . . . . 2.3.5. . . . . 8

ABSOLUTE/lNCREMENTAL PROGRAMMING (G9t3,G91) . . . . . . . . 2 . . . . 2.8.31. . . . . 138

AccelerationandDecelerationofRapidTraverseandManlralFeed . . . . . . . 2 . . - - 2.4.3.]. . . . . 12

ADDING PART PROGRAMS . . . . . ., . . . . . . . . . . . . ...4 . . ..4.6.4 . . . ..]69

ADDRESS KEYS O........ . . . . . . . . . . . . . . ...4 . . ..4. ]4. . . ..I43

AddressSearch. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . . . 4.3.3.4.... 151

ALARM CODE(ALM) DISPLAY . . . . . . . . . . . . . . . . . ...4 . ...4.3,9.....161

AlarmCodeDisplay. . . . . . . . . . . . . . . . . . . . . . . . ..4 . . ..4.3 .9.I.... .161

AlarmNumberofMicroprograms. . . . . . . . . . . . . . . . . . . . 2 . . . . 2,8,2~,lo.. . . 83

ArgumentDesignation. . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.8.23.2... .63

AUTO MODE HANDLE OFFSET.. . . . . . . . . . . . . . . . . . . 5....5.2.7.....194

AUTO MODE HANDLE OFFSETSWITClit . . . . . . . . . . . . - . . 5 . . . . 5,],28.. . . . 181

AUTOMATIC ACCELERATION AND DECELERATION . . . . . . . . . . 2 . . . . 2.4.3. . . . . 12

AUTOMATIC COORDINATE SYSTEM SETTING“t. . . . . . . . . . . . 5 . . . . 52,2 . . . . . 182

AutomaticNoseR Function. . . . . . . . . . . . . . . . . . . . ...2....2.8.19,1 . ...53

AUTOMATIC OPERATION INMDIMODE . . . . . . . . . . . . . . . 6 . . . . 6.8 . . . . . 198

AUTOMATIC RETURN TO REFERENCE POINT (G28). . . . . . . . . . . 2 . . . . 2.8.11. . , . 0 33

AutomaticThreadingCycle(G76) . . . . . . . . . . . . . . . . . . . . 2 . . . . 2,8,25,8. . . . Io3

AutomaticWritingintotheToolcoordinateMemory . . . . . . . . . . . . . 5 . . . . 5,2,3,3.. . . .186

AutomaticWritingintotheWork CoordinateSystemShiftMemory . . 0 . . . . 5 . . . . 5.2.3.4.. . . .186

BUFFER REGISTER. . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.15.....

BUFFERING FUNCTION (M93,M92)t . . . . . . . . . . . . . . ...2 . . . . 2.7.3. . ...1.

CANNED CYCLES (G90,G92,G94) . . . . . . . . . . . . . . . . ...2 . ...2.8.26.....110

CHECKING REGISTEREDPART PROGRAM NUMBER . . . . 0 . . . . . 4 . . . . 4.6.1. . . . . 168

CircularArcMultipleComering(Gl12). . . . . . . . . . . . . . . . . . 2 . . . . 2.8.30,2. . . . 135

CIRCULAR INTERPOLATION(G02,G03) . . . . . . . . . . . . . . . . 2 . . . 0 2.8.4. . . . . 26

CIRCULAR PATH MODE ON/OFFON TOOL RADIUS

COMPENSATION (M97,M96)t . . . . . . . . . . . . . . . . . . ...2.. . . 2,7,4. . ...18

COMMAND DATA DISPLAY . . . . . . . . . . . . . . . . . . ...4 . ...4.3,2.....148

Command DataDisplay. . . . . . . O + . . . . . . . . . . . . . . .4 . . ..4.3 .2148 . ..I48

Command pukeAccumulationRegisterDisplay(COMMAND PULSE) . . . . . 4 . . . . 4.3.4.9. . . . 155

ConditionsfortheAutomaticNoseR CompensationFunctiontobeEnabled . . . 2 . . . . 2.8.19.2. . . , 53

ConsiderationsandRemarksforMacroPrograms. . . . . . . . . . . . . . 2 . . . . 2.8.23.9. . . . 79

CONSTANT DISPLAY . . . . . . . . . . . . . . . . . . . . . ...4 . . ..4.3 .] . . ...146

CONSTANT SURFACE SPEED CONTROL (G96,G97)t c . . . . . . . . . 2 . . . 0 2.8.27.. . . . 116

ControlCommands . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.8.23.6.... 76

CoordinateSystemSetting(G50X_. Z_.) . . . . . . . . . . . . . . . 5 . . . . 5.2.3.5. . . . 188

COORDINATE WORDS . . . . . . . . . . . . . . . . . . . . ...2 . . . . 2.3.....7

COORDINATE WORDS . . . . . . . . . . . . . . . . . . . . ...2 . . . . 2.3.1. . . . .

CORNERING (Gil,G12)t . . . . . . - . - . . . . . . . . . . . ...2 . . . - 2.8,7-....22

CRT CHARACTER DISPLAY . ..C . . . . . . . . . . . . . . ...4 . ...4.1,2.....143

CURRENT POSITIONDISPLAY . . . . . . . . . . . . . . . . . ...4 . ...4.3,4.....152

CURSOR KEYS . . . .. O.. CC . . . . . . . . . . . . . . ...4 . . ..4.1 .8 . . . ..I44

CUTTING DEPTH OVERRIDE SWITCH’iFORG71 ANDG72 . . . . . . . . 5 . . . . 5.1.29.. . . . 181

CYCLE START PUSHBUTTON AND LAMP . . . . . . . . . . . . . . . .5 . . . . 5.1.2. . . . . 175

DATA KEYS . . . . . . . . . . . . . . . . . . . . . . . . . . ...4 . ...415.....144

DECIMAL POINTPROGRAMMING. . . . . . . . . . . . . . . ...2 . . . . 2.1.3. . . . .

DELETING PART PROGRAM BLOCKS . . . . . . . . . . . . . . . . 4 . . . . 4.6,5. . . . . 16j

DisplayandDeletingofRegisteredProgramNumber

(PROGRAM NO.TABLEnn)t . . . . . . . . . . . . . . . . . ...4.... 4.3.9.3....162

DisplayandWriteofLocalandCommon Varfab]es. . . . . . . . . . . . . 2 . . . . 2.8.23.8. . . . 79

DISPLAY AND WRITING OPERATION . . . . . . . . . . . . . . ...4 . ...4.3......146

DisplayofSubprogramRunStatus(SUBPROG.NESTING). . . . . . . . . . 4 . . . . 4.3.2.2, . . . 148

DisplayofToolLifeControlUseStatus(TOOLLIFECONTROL) . . . . . . . 4 . . . . 4.3.2.3. . . . 149

DisplayinEDITMode . . . . . . . . . . . . . . . . . . . . . . . . .4 . . ..4.3 .3151 . ..I51

DISPLAYINGAND CHECKING STORED PART PROGRAMS . . . . . . . . 4 . . . . 4.6,2. . . . . 168

DISPLAYINGAND WRITING PARAMETERS . . . . . . . . . . . - . . 4 . . . . 4.3.7. . . . . 159

DisplayingandWritingParameters, , . , , , . . . . . . . . . . . . . 4 . . . . 4.3.7,3. . . . 160

DISPLAYINGAND WRITING SETTINGDATA (SETTING). . . . . . . . . 4 . . . . 4,3,6. . . . . 157

DISPLAYINGAND WRITING TOOL OFFSET DATAt . . . . . . . . . . 4 . . . . 4.3.5. . . . . 155

DISPLAYINGSTATUS INPUT/OUTPUTSIGNALS . . . . . . . . . . . . 4 . . . . 4,3.8. . . . . 160

DisplayinMemoryRttnMode(PROGRAM [MEM]) . . . . . . . . . . . . 4 . . . . 4.3.3.2.. . . .151

Par. Page

INDEX (Cent’d)

Subject

DISPLAYLOCK/MACHINE LOCK SWITCH . . . . . . . . . . . . . . . 5 . . . . 5.1.19.. . . . 179

DRY RUN SWITCH . . . . . ..O. . . . . . . . . . . . . . . ...5 . ...5.1.18.....179

DWELL (G04)----------- . . . . . . . . . -.......2 . . . . 2.8.5. . ...27

EDIT....,.00...o..o . . . . . . . . . . . . . . ...4 . ...4.6......168

EDITKEYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 . . ..4.1 .145. . ..I45

EDITLOCK SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . 5....5.1.22.....180

EIA/ISOAUTO Recognition . . . . . . . . . . . . . . . . . ...3 . ...3.1.2.....139

EMERGENCY STOP PUSHBUTTON. . . . . . . . . . . . . . . ...5 . ...5.1.4.....175

ErrorDetectOffPositioning(G06)

ExampleofHigh-speedM FunctionProcessing. . . . . . . . . . . . . . . 2 . . . . 2.7.8.4. . . . 21

ExercisesofMicroprograms................ , . . . . . 2 . . . . 2.8.23.11. ...84

FacingCycleB(G94) . . . . . . . . . . . . . . . . . . . . . . ...2 . ...2.8.26.3....114

FEED FUNCTION (F-AND E-FUNCTION) . . . . . 0 0 0 0 0 , . . 0 0 0 2 , 0 0 . 2.4.2. . . , . 10

FEED HOLD PUSHBUTTON AND LAMP . . . . . . . . . . . . . . . . 5 . . . . 5.].3. . . . .

FEED/MINUTE AND FEED/REVOLUTIONSWITCHOVER . , , . 0 , , . 0 2 . 0 , , 2,8,28 . . . . 117

FeedPerMinute(G98Mode). . . . . . . . . . . . . . . . . . . . . . . 2.. o.2.4,2.2 . . ..1 I

FeedPerRevohrtion(G99Mode). . . ................. . 2 .,, ,2.4.2.1.....10

FEEDRATE OVERRIDE CANCEL SWITCH . . . . . . . . . . . . . . . 5 . . . . 5.1.12.. . . . 178

FinishingCycle(G70) . . . . . . . . . . . . . . . . . . . . . . ...2 . . . . 2.8.25.5....99

FUNCTION KEYS . . .. O.... . .,...,........4.4 . ...4.1.3.....143

General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.8.25.1....88

General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 . . . . 5.1.8.1.... 176

GENERAL PROGRAM FORM..- . . . . . . . . . . . . . . . . . -3....3.2.2.....139

G50P01NT RETURN SWITCH ~”... . . . . . . . . . . . . . . . . . .5....5,1.24.....180

G50POINTRETURNt . . . . . . . . . . . . . . . 4 . . . . . . ...5 . ...5.2.4.....19]

GroovinginX-Axis(G75) . . . . . . .,, ,,, . . . . . . . . ...2 . ...2.8.25.7....102

HANDLE AXISSELECT SWITCH t.. . . . . . . . . . -.......5 . ...5.1.6.....176

HANDLE DIALt (MANUAL PULSEGENERATOR) . . . . . . 0 0 0 . . . 5 0 0 , . 5.1.5. , , . 0 176

HANDLE INTERPOLATIONFUNCTION . . . . . . . . . . . . . . . . . 5 . . . . 5.1.8. . . . . 176

HIGH-SPEEDMFUNCTJON . . . . . . . . . . . . . . . . . . . ...2 . . . . 2.7.8. . ...20

ImprovedG76ScrewCuttingCycleFunction. . . . . . . . . . . . . . . . 2 . . . . 2.8.25.11. . . .109

ImprovedMultipleRepetitiveCycleFunction. . . . . . . . . . . . . . . . 2 . . . . 2.8.25.10. . . 108

INCH/METRICDESIGNATION BY G CODE (G20,G21)t . . . . . . 0 . . 2 . . . . 2.8.8. . . . . 31

I/OChannel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.7.8.1....20

INPUTTINGSETTINGDATA AND PARAMETER DATA . . . . . . . . . . 4 . . . . 4.4.5. . . . . 166

INPUTTINGTOOL OF OFFSETDATA INTO MEMORY . . . . . . . . . 0 4 . . . . 4.4.4. . . . . 166

InputUnitand10TimesInputUnit, . . . c c c o . . . 0 . . . . . . . . 2 . . . 0 2.3,3.1.. . . . 7

INSPECTIONBEFORE TURNINGON POWER . . . . . . . . . . . . . . 6 . . . . 6.1. . . . . . 195

INTERLOCK INPUT (INTERLOCK). . . . . . 0 . . . . . . . . . . c . 5 . 0 . . 5.1.23.. . . . 180

InternalToggleSwitchest..... . . . . . . . . . . . . . . . . . . . 4 . . . . 4.3.6.2.... 158

INTRODUC~ON . . . . . . . . . . . . . . . . . . . . . . . . ...1 . . . . . . . . . ...1

JOG FEEDRATE SWITCH AND FEEDRATE OVERRIDE SWITCH . . . . . . 5 . . . . 5.1.10.. . . . 177

JOG PUSHBUTTONS AND RAPID PUSHBUTTON . . . . . . . . . . 0 . 5 . . . . 5.1.9. . , . . 177

KEEPINGOF NC TAPE . . . . . . . . . . . . . . . . . . . . . . . . 3....3.4.2.....141

K L

LABEL SKIPFUNCTION . . . . . . . . . . . . . . . . . . . . . . . .2 . . . . 2.1.4. . ...6

LEAST INPUTINCREMENT AND LEAST OUTPUT INCREMENT . . . . . . 2 . . . . 2.3.3. . , . . 7

LeastOutputIncrement. . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.3.3.2.... 8

LINEARINTERPOLATION(GOl)t. . . . . . . . . . . . . . . . ...2 . . . . 2.8.3. . ...25

LISTOF ADDRESS CHARACTERS AND FUNCTION CHARACTERS . . . . . 2 . . . . 2.1.2. . . . . 4

LISTOF ALARM CODES O..,., .,..,.,,4.000..APPENDIX5 ...,.... A-35

LISTOF DATA . . . . . . . . . . . . . . . . . . . . . . . .. APPENDIx6 . . . . . . .. A-54

LISTOF GCODESOO. ., CO.. . . . . . . . . . . . . . . ...2 ,0,,2.8.1.,,0,21

LISTOF PARAMETER NUMBERS . . . . . . . . . . . . . . . . APPENDIX2 . . . . . . . .

LISTOF SETTINGNUMBERS,,, ,.OO,O. ., . . . . .. APPENDIX 1 . . . . . . . . A-1

LISTOF STANDARD INPUT/OUTPUTSIGNALS . . . . . . . . . . APPENDIX 4 . . , . . . . . A-25

LISTOF TAPE CODE .C .,.., ,,,.,.so,o.,,,$.13 ... ,3.1.1 ooo, .139

LOADING PART PROGRAM TAPE INTOMEMORY - - . . . . - . - . . . 4 . - . . 4.4,1. - . . . 163

LOADING PART PROGRAMS AND NC DATA INTO MEMORY (IN). 0 0 0 . 4 . . . . 4.4 0 . . 0 “ 163

LOADING PART PROGRAMS BYMDI . . . . . . . . . . . . . . . . . .4 . ...4.4.3 . . ...165

MACHINE CONTROL STATION . . . ., . . . . . . . . . . . . ...5 . . . . . . . . . ...174

MacroPromamCallCommands. . . . . . . . . . . . . . . . . . ...2....2.8.23.1 . ...62

. . . . . . . . . . . . . . . . .

Chapter

Par. Page

. . 2.8.2.2.. . . . 25

175

A-7

INDEX (Cent’d)

Subject

M MACRO PROGRAMS (G65ANDG67) . . . . . . . . . . . . . . . . . . 2 . ..” 2.8.23.”””” 61

MaintenanceHistoryDisplay(MAINTENANCE) . . . . . . “ “ “ o “ “ $ - 4 ‘ - - “ 4.3.9.50 “ “ “ 163

MAKING ADDITIONTO A PART PROGRAM . . . . . . . . + . . “ “ - 4 “ “ - “ 4.4.2“ . 4 ‘ “ 165

MANUAL ABSOLUTE SWITCH... . . . . . ..”. ”””” +---5 ““”” 5.1.21.””” ”180

MANUAL INTERRUPTIONPOINTRETURN SWITCH . . . . . . . . . ‘ “ 5 “ “ “ “ 5.1.25.“ “ “ “ 181

MANUAL INTERRUPTIONPOINTRETURN7 . “ + $ . . “ “ - . “ . “ “ 5 “ “ “ “ 5.2.5- - “ “ - 191

MANUAL OPERATION . . . . . . . . . . . . . . . . . ..”<””6 ““”” 6.3” ”””” ”195

MANUAL OPERATION INTERRUPTINGAUTOMATIC OPERATION . . - “ 6 “ “ “ “ 6.7- “ “ - “ “ 197

MANUAL PULSE MULTIPLY SELECT SWITCH”t . . . . . . . . . - “ “ 5 0 0 “ o 5.1.7‘ o “ “ o 176

MANUAL REFERENCE POINT RETURN SWITCH”I’. . . . . . . . . . . . 5 “ “ “ “ 5.1.14“ “ - “ “ 178

MANUAL RETURN TO REFERENCE POINT o . . . . . “ . “ $ “ “ o “ 5 “ “ “ “ 5.2.1“ “ “ “ “ 181

MAXIMUM PROGRAMMABLE DIMENSIONS . . . . . . . . . . . . . . 2 . . . . 2.3.4. . . - “ 8

MAXIMUM SPINDLE-SPEEDSETTING(G50)“t “ o . . . “ “ “ “ “ “ o “ 2 “ “ “ - 2.8.21“ “ “ “ 58

M CODES FOR INTERNAL PROCESSING(M90T0 M109) . . . . . . + . “ 2 “ - “ “ 2.7.2“ “ “ - - 17

MCODESFOR STOP(MOO,MO1,M02,M30) . . . . . 0 “ o c c “ “ c . 0 2 “ + “ o 2.7.10 0 0 “ . 17

MDI OPERATION INTERRUPTINGAUTOMATIC OPERATION . . . “ - 0 6 0 0 “ . 6.9 - “ “ “ “ 198

MEASURED WORKPIECE VALUE DIRECTINPUTt - “ “ “ - “ . “ “ - “ “ 5 e “ “ “ 5.2.3“ - - - “ 182

MEMDATA (MEMORY DATA)KEYS. . . . . . . . . . . . ..+ 4..4 ‘+0” 4.1.11$+”” ”145

MessageDisplay(ALARM)t”.... “..”.””.+.”+.”””*4 ““. .4.3.9.2. ”. <161

M-FUNCTION LOCK SWITCH (AUXILIARYFUNCTION LOCK) . . . . . . 5 . . . . 5.1.20.. “ “ . 180

MISCELLANEOUS FUNCTIONS (M-FUNCTION). “ “ “ “ “ . . - “ “ “ “ 2 “ “ “ “ 2.7“ “ “ “ “ “ 17

MODE SELECT SWITCH . . . . . . . . . . . . . . . . . ..-”-”5 ‘“”” 5.1.1””” ”-174

MODIFYING PART PROGRAM BLOCKS “ . “ “ “ “ “ - “ - “ “ - - “ “ 4 “ “ “ “ 4.6.3“ “ “ “ “ 168

M3-DIGITBCDOUTPUTt. ..O. . . . ..”” .”. ”.. ”.””2 .“. ”2.7.7 ”--”-20

Mult-blockWritingandOperationinMDI Mode . . . - . - “ - . “ “ “ “ “ 4 “ “ “ “ 4.3.3.1“ “ “ “ 150

MULTIPLE CORNERING (Gill,Gl12)”t. “ “ “ . - - “ o 0 0 . . - “ “ “ 2 “ “ “ “ 2.8.30.“ “ “ “ 127

MULTIPLE REPETITIVECYCLES (G70TO G76)“t o 0 0 “ “ “ “ - “ “ “ “ 2 “ “ “ “ 2.8.25“ “ “ “ “ 88

MULTI-START THREAD CUTTING (G32)+ ‘ . “ o 0 0 “ . “ “ “ . . “ “

N NC TAPE . . . . . . . . . . . . . . . . . ..”” ””” ”-”---3 ““”” 3.3- ””-” ”141

NC TAPE CHECK . . . . . . . . . ““. ”””” .””. ”’””””3 ‘“”” 3.3.3””” ”-141

NC TAPE HANDLING . . . . . . . . . . ..++ ””-” ”<. .’”3 ““”” 3.4” ”””” ”141

NC TAPE PUNCH””””””””” “.. .””” ”””” ””””””3 ..”” 3.3.2””+” ”141

NC TAPE PUNCHING . . . . . . . . “.. ”.”” -””. +”. ”””3 ““””””””””””139

NEXT KEY . . . . . . . . . . . -“.”””””””””””””” “4”” .”4.1.6””” ..144

New ToolSetterFunction. . . . . ....””...”””.””” 0“”5”. +” 5.2.3.9--o ’189

No.ofServoLagPulsesDisplay(ERROR PULSE) . “ “ “ “ . “ “ “ “ “ . “ 4 “ “ “ “ 4.3.4.8“ “ - “ 155

Notes..........++. “o..””.”.”.”.... .“.2. .” . 2.7.8.3..”- ’21

0 OffsetCalculationofAutomaticNoseR CompensationApproachandRelief. “ “ “ 2 . “ “ “ 2.8.19.3“ “ “ - 54

OffsetScreenDisplay..”.”. ..”.”.””...”.”.. ..”5”+” .5.2.3.8-+.. 1~~

Operation”””--””””””” ““”-”””.””””””””” “5”” ””5.1.8.2”””” 176 OperationCommands ”””... ““.”..”.”..”++-” ““”2+”” ” 2.8.23.5-++. 75 OPERATION INTAPE AND MEMORY MODE . “ “ “ “ “ “ “ “ “ “ “ “ . 6 - - - “ 6.6“ “ “ “ “ “ 197

OPERATION PROCEDURE””””” “.. ”””” -””-- .-”””5 “.-” 5.2” .”” ”-181

OPERATION PROCEDURE . . . . . . . . . ..”” ””. ””””””6 ““-””””’””””195

OpemtionTimeDisplay”--”.. “..””-”””.-.””..” “4-.””4.3.9.4.”.””16~ oPTIoNALBLocK sKIP(/1-/9)*...” ““””””””””””””””2” ““”2.’2.3 ””””” OPTIONAL BLOCK SKIPSWITCH.’ ‘“”” ”””. ””-” -<”””5 ““”” 5.1.17--”” ”179

ORG(ORIGIN)KEYS..””.””” ““. ”””” ”””- ””””””4 ‘“”” 4.1.9”””” ”145 OTHER MCODES ””-””.””” ..”+ ””-” --”” ”.. ””2 ““””2.7.6-”-”-19

OUTPUTTING PART PROGRAM TO PAPER TAPE “ “ . . . . . . . . . “ 4 “ “ “ “ 4.7.1“ “ - “ “ 170

OUTPUTTING SETTING/PARAMETER DATA TO PAPER TAPE “ - “ . “ “ 4 “ “ “ - 4.7.3“ “ “ “ “ 171

OUTPUTTING TOOL OFFSET TO PAPER TAPE ~ “ . . . . “ “ “ . “ “ . 4 - “ - + 4.7.2“ “ “ - 0 171

OverviewofMacroProgrtamBody “ - ‘ - . . “ “ “ “ “ “ . . - “ “ “ “ “ 2 “ . “ “ 2.8.23.3“ “ “ - 65

PAGEKEYS,,,O..,.... . ..”””.----.-”””” ‘4”” ””4.1.7””””” 144

PAPER TAPE . . . . . . . . . . . . . . . . . . . . . . . . . . . “3-- ””3.3.1””””” 141

ParametersofBitDisplayFormat,. . - “ . “ “ “ - “ “ . “ “ “ “ < “ “ “ 4 “ “ “ “ 4.3.7.1“ “ “ “ 160

ParametersofDecimalDisplayFormat- . . . . . . . . . . . . . . . . . . 4 . . . . 4.3.7.2. 0 “ - 160

parameters. . . . . . . . . . . ““”””””..”..”””. ““”2. ””” 2.7.8.2””. “20

parameters. . . . . . . . . . . ......””””.”.””” .“”5. ””” 5.2.3.2”.” “185

PART PROGRAM AND NC DATA OUTPUT OPERATIONS - “ “ . “ “ “ “ 4 “ “ “ “ 4.7“ “ “ “ “ “ 170

PatternRepeating(G73) . . . . . . . . . . . . . . . . . . . . . ...2 .“””2.8.25.4. .””98

PeckDrillinginZ-axis(G74) ..”.” ““””””.”””.””””””2 ‘“”- 2.8.25.6”-”-101

Position. . . . . . . . . . . . . . . . . . . . . . . . . . . . ..4” ””” 4.3.4.4”‘“”153

Chapter

2 “ . “ . 2.8.16.0 “ - “ 38

Par.

Page

INDEX (Cent’d)

Subject Chapter

Position[ABSOLUTE] . . . . . . . . . . 4 . . . . . . . . . . . ...4 ..”” 4.3.4.2. ””” 152

Position[EXTERNAL] . . . . . . . . . . . . . . . . . . . . . ...4 “.”. 4.3.4.1..”” 152

Position(EXTERNAL)“O’’Setting. . . . . . . . . . . . . . . . . . . “ 5 “ “ “ ‘ 5.2.3.6- - “ “ 188

Position[INCREMENT] . . . . . . . . . . . . . . . . . . . . . . . .4 . . ..4.3 .4.3. . ..1S3

POSITIONING(GOO,G06) . . . . . . . . . . . . . . . . . . . . ..”2 .“””2.8.2”””””22

Positioning(GOD). . . ...!... . . . . . . . . . . . . . . ..”2 ““”.2.8.2.1....22

POSITIONSTORED PUSHBUTTON~ . . . . . . . . . . . . . - . . . “ 5 “ “ “ “ 5.1.30 “ - “ “ 181

POWER ON/OFF OPERATION . . . . . . . . . . . . . . . . . . . . .4. ””.4.2””””” .146

POWER ON/OFFPUSHBUTTONS. . . . . . . . . . . . . . . . . . .4. ..”4.1.1”. ””” 142

PrecautionsinProgrammingG70throughG76 . . “ . “ “ . “ . . 0 . “ . “ 2 + - “ . 2.8.25.90 0 “ “ 105

PREPARATION FOR STORED LEADSCREW ERROR COMPENSATION

AND STORED STROKE LIMIT”t. . . . . . . . . . ...”””””” .6”” ””6.4””$-”” 196

PREPARATION FOR TURNING OFF POWER . . . . . . . . . . . . . . 6 . . . 0 6.10 0 “ “ “ + 198

PREPARATIONS FOR AUTOMATIC OPERATION “ “ “ “ “ “ . “ “ “ . “ 6 . + . “ 6.5“ - “ - “ “ 196

PREPARATORY FUNCTIONS (G-FUNCTION). . . . . . . . . 0 . . . . 2 . . . - 2.84 “ . “ “ < 21

PROCESS SHEET . . . . . . . . . . . . . . . . . . . ..”” ”””.3 ““”” 3.2.1”””” ”139

PROGRAMMING . . . . . . . . . . . . . . . . . . . . . . . . ...2 “c.”.”””””.*1

PROGRAMMING . ..”.....” . . . . ..+-- ”-”” .”””3 .“. ”3.2”””””” 139

PROGRAMMING OF ABSOLUTE ZERO POINT(G50). . . . . . . . . . 0 2 . . . 0 2.8.20+ “ o “ . 57

PROGRAM MIRROR IMAGE (G68,G69)t . . . . . . . . . . . . . . . . 2 - . “ - 2.8.24 - “ “ “ 87

PROGRAM NUMBER . . .. O.. . . . . . . . ..”- ””. .-”2 ““”” 2.2.1.”. .”6

PROGRAM NUMBER AND SEQUENCE NUMBER . . . . . . . . “ “ “ “ 2 “ “ - “ 2.2 “ “ ‘ “ “ 6

PROGRAM RESTART SWITCH t.. . . . . . . . . . . . . ...++ “5. ..”5.1.26. +”” 181

PROGRAM RESTART t...., . . . . . . . . . . . . . . . . ..”5””””5.2.6”””4 192

ProgramRetur n........ . . . . . . ..-+ +.. O.O “--4 ”””” 4.3.4.5”””- 154

PUSHBUTTONS, KEYS,AND LAMPS . . . . . . ..++ ”.”- ”.”4 ““”” 4.1” ””. .” 142

R RADIUS PROGRAMMING FOR CIRCULAR

INTERPOLATION(G22,G23)~. . . . . . . . . . . . . . ...”.” .2. ”””2.8.9””. .”31

RAPIDTRAVERSE RATE -+”..+ ‘“”--”--””””-””””2 ““”” 2.4” -”. ”10

RAPIDTRAVERSE RATE..... . . . . . . . ...+-”””-” “2”. ..2.4.1 ”””””10

RAPIDTRAVERSE RATE OVERRIDE SWITCH “ “ “ “ “ “ “ “ “ “ “ - “ 5 “ “ “ “ 5.1.11“ “ “ “ 178

REFERENCE POINT CHECK (G27). . . . . . . . . . . . . . . . . . . 2 . . . . 2.8.10“ “ “ “ 32

REFERENCE POINT LAMPS.... . . ..”” -””” ””----”5 ‘“”- 5.1.15--”” 179

RegistrationofMicroprograms. . . . . . . . 0 # . . , , . . . . . . . 2 0 “ ‘ “ 2.8.23.7“ . “ + 78

RESET KEY . . . . . . . . . . . . . . ...--”.””””””” “4”” ”-4.1 .12. ””” 145

RETURN FROM REFERENCE POINT(G29) , , . . . . 0 0 0 “ “ “ o “ o 2 . . “ . 2.8.12 - 0 0 0 34

2ND REFERENCE POINTRETURN (G30)t . . . . . . . . . , . . . . . 2 . . . . 2.8.13 “ “ “ “ 34

SEQUENCE NUMBER ”O” OO. .O 0“o+”o$o.000--”-”2 ‘+$ ’2.2.2 <”-””6 SettiogDataofBitDisplayFormat“ . “ “ “ “ . “ “ “ “ . “ . “ “ “ “ “ “ 4 “ o “ - 4.3.6.1- “ “ “ 157 SettingDataofDecimalDisplayFormato “ “ “ . 0 “ “ . “ “ “ “ o “ o “ c 4 $ 0 $ 0 4.3.6.3- - 0 0 158

S4-DIGITPROGRAMMING At.... . . . . . . . . ..”. ”””””2 .“””2.5.2”. ”.13

S4-DIGITPROGRAMMING B”t ”.. “.. ..”” ”.-. .”-O ”-2 ..-” 2.5.3.. +0.14

SIMULTANEOUS CONTROLLABLE AXES . . . . . “ “ “ “ “ . “ . “ “ 2 “ “ “ “ 2.3.2“ - “ “ “ 7

SINGLE BLOCK SWITCH O....” “4.””””..00”.”””05 ““”. 5.1.16 ””+ +179

SKIPFUNCTION (G31)”t. . . . . . . . . . . . . . . . . . ..”””2 ““. .2.8.14 ””””35

SUBROUTINE PROGRAM (M98,M99) . . . “ “ “ . c “ “ “ . “ . . 0 . 2 . . “ “ 2.7.5“ “ “ “ “ 18

SpindleCounter. . . . . . . . . . . . . . . . ..”....”” ““”4. ””” 4.3.4.7””” ’155

SPINDLESPEED OVERRIDE SWITCHt + “ “ + “ - - “ “ “ - “ “ “ “ “ 5 “ “ “ “ 5.1.13“ “ “ “ 178

SPINDLE-SPEEDFUNCTION (S-FUNCTION) . . . . . . “ . . “ “ “ “ “ 2 - - - - 2.5“ “ o 0 “ “ 13

SPLICINGNC TAPES . . . . . . . . . . . . . . . . . . ...”. “3”” ””3.4.1”””-” 141

S2-DIGITPROGRAMMING (SPECIALSPECIFICATIONS). . “ “ “ “ . “ “ 2 “ . “ “ 2.5.1“ “ “ - “ 13

STANDARD NC OPERATORS STATION

WITH CRT CHARACTER DISPLAY.. .....””””..”.”””+4 .“””. .”. ..”” 142

StockRemovalinFacing(G72) “ “ “ “ “ “ . “ “ . “ “ . “ . “ “ “ “ “ “ 2 “ + “ “ 2.8.25.3“ “ “ “ 95

StockRemovalinTuming(G71). . . . .........”..””.”.2 “.. .2.8.25.2. ”.”89

STORED LEADSCREW ERROR COMPENSATION . - . “ “ “ - “ “ . APPENDIX3 “ “ “ - “ - “ “

STORED STROKE LIMIT(G36-G39). . . . 0 . . “ . . “ . . “ . “ . “ 2 “ - 0 0 2.8.18“ “ “ “ 41

StoredStrokeLimit. . . . . . . ...........”+”.+ “.”4. ”-” 4.3.4.6+”- “154

SUMMARY OF STORING AND EDITINGOPERATIONS . . . . . . . . “ “ 4 - “ “ “ 4.8“ “ “ “ “ “ 173

SWITCHING UNITSON THE CONTROL STATION . . . . . . . - . . . . 5 . “ “ “ 5.1“ “ “ “ “ “ 174

T TAPE CODE . . . . . . . . . . . . . . . . . . . . . . . . . ..+”3 ““”” 3.1” ”””” ”139

Par.

Page

A-24

vii

INDEX (Cent’d)

Subject Chapter

T TAPE FORMAT . . . . . . . . . . . . . . . . . . . . . . . . ...2 . . . . 2.1. . . ...1

TAPE FORMAT . . . . . . . . . . . . . . . . . . . . . . . . ...2 . . . . 2.1.1. . ...1

TAPEVERIFYING . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . . . 4.5. . . . . .166

TaperMultipleCornering(Glll). . . . . . . . . . . . . . . . . . . . 2 . . . . 2.8.30.1. . . 127

T4-DIGITPROGRAMMING . . . . . . . . . . . . - . . . . . . ...2 . . . . 2.6.1. . ...14

TheG40GO1X_ Z_ I_ K_ ;CommarrdCancelFunctionisAlsoAvailable

intheAutomaticNoseRFunction. . . . . . . . . . . . . . . . . . . . 2 . . . . 2.8.19.4. . . . 57

THREAD CUTTING,CONTINUOUS THREAD CUllTNG (G32). . 0 . . . 0 2 0 . 0 0 2.8.15. . . . 36

ThreadingCycle(G92). . . . . . . . . . . . . . . . . . . . . . . . . 2....2.8,26.2....111

TOOL FUNCTION (T-FUNCTION).. . . . . . . . . . . . . . . ...2 . . . . 2.6 . . ...14

TOOL LIFECONTROL (G122,G123)~. . . . . . . . . . . . . . . . . . 2 . . . . 2.8.29 . . . . 118

ToolSetterFunction . . . . . . . . . . . . . . . . . . . . . . . . . 5 . . . . 5.2.3.1... .185

TOOL NOSE RADIUS COMPENSATION (G40THROUGH G44). . . . . . . 2 . 0 . . 2.8.19. . . . 42

TOOL OFFSETMEMORY ”~. . . . . . . . . . . . . . . . . . . . . . 2 . . . . 2.6.2. . ...14

TOOL OFFSET VALUE (GIO)T. . ..O . . . . . . . . . . . . . ...2. , . . 2.8.6. . ...28

TOOL POSITIONOFFSETS . . . . . . . . . . . . . . . . . . . ...2 . . ..2.6 .3”” ”””14

TurningCycleA(G90) ..,.... . . . . . . . . . . . . . . ...2 . . ..2.8 .26.1.”” .110

TURNLNG OFF POWER . . . . . . . . . . . . . . . . . . . . . ...4 . ...4.2.2.....146

TURNING ON POWER . . . . . . . . . . . . . . . . . . . . . ...4 .“””4.2.1”” ...146

TURNLNG OFF POWER . . . . . . . . . . . . . . . . . . . . ...6 ..”” 6.11 .””” ”198

TURNING ON POWER .O. ..O. ...c””.”t”””””””.6 .“. .6.2 ”””” ”” 195

v VARIABLE LEAD THREAD CUTTING”t. . . . . . . . . . . . . . . . . 2 . . . . 2.8.17.. “ . “ 40

Variables. . . . . . . . . . . . . . . . . . . . . . . . . . . ““.2 ””” . 2.8.23.4..” “65

VERIFYINGPART PROGRAM TAPE. . . . . . . . . . . . . . . ...4 . . ..4.5 .1. .” ..167

VERIFYINGSETTINGAND PARAMETER TAPES - “ “ “ . “ “ “ “ “ - 0 4 “ o “ “ 4.5.3- “ “ “ - 167

VERIFYINGTOOL OFFSETVALUE TAPE . . . . . . . . . . . . . . “ “ 4 “ “ - “ 4.5.2“ “ “ “ “ 167

W WORK COORDINATE MULTI-SHIFT(G50T,G51)“~. . . . . “ o “ . “ o . 2 “ “ “ “ 2.8.220“ “ “ “ 59

WORK COORDINATE SYSTEM SHl~t . . . . . . . . . . . . . . . . . 2 “ $ + $ 2.6.4- - “ “ “ 16

WorkCoordinateSystemSettingB . . . “ - - “ “ “ “ . . “ “ “ . . . . . 5 - - - - 5.2.3.7“ “ . “ 188

WRITING INBLOCKS AND DISPLAYINGCONTENTS BY MDI . . . . . + 4 0 “ “ o 4.3.3“ . “ “ o 150

WritingintotheToolCoordinateMemory “ “ “ “ “ “ “ “ “ “ “ “ “ “ “ “ “ 5 “ . “ “ 5.2.3.10“ “ - “ 189

WritingProcedure. . . . . . . ....”.......””.” .“”5” ...5.2.3.11””.+ 189

WritingtheZ-axisWorkCoordinateSystemShiftAmount . . “ “ “ “ “ “ “ “ 5 “ “ “ “ 5.2.3.12+ “ “ “ 190

x X-AXISDIAMETER/RADIUSSWITCHING . . . c . c . + + # . 0 . - 0 - 2 0 0 0 “ 2.3.6“ “ “ o 0 9

X-AXISMIRROR IMAGE SWITCH~ . . . . . . . . . . . . . . . . . .5 . . ..5.1 .27.”””” 181

Par. Page

1. INTRODUCTION

YASNAC J50L,“UltraspeeddualprocessorCNC” isa combinationoftwo high-performance16-bitmicroprocessors runningin parallel.Incorporatingour modern system technique,itisdesignedtoprovidethehighestlatheperformance.

The dual processor CNC system drasticallyreduces the data processing time to meet highspeed cutting. creased by the use of high–speed buffer func– tionand buffering function.

Enhanced cutting capabilityincludes a maximum of 24 meters/reinfeed command, precise feed E

command, 500-milimet-erlead thread cutting, continuous thread cutting, multiplethread cutting, and variable pitch thread cutting.

To meet FMS trends, program interruptfunction,toollifecontrol,user macro, toolset error correction, stored stroke limitper tool, and other functionscan be installed.

Block-to-blockstop time de-

2. PROGRAMMING

Part program memory can be extended to a maximum of 320 meters. Its data input/output interfaceis availablewith FACIT, RS232C and, in addition,RS422 serialinterfacecapable of high-speed long distancetransmission.

Programming is further facilitatedby improved toolradius compensation function,G 50–work coordinatesystem setting,angle-specifiedlinear interpolation,and combined beveling/round– ing function.

The servo functionuses a drasticallyminiaturized and low–noise, newly transistorizedPWM controlunit and a high–performance DC servo motor.

The positionfeedback is availablewith the

standard pulse generator (PG ) system and,

the inductosyn-appliedcomplete closed lcQp system.

2.1 TAPE FORMAT

2.1.1TAPE FORMAT

A variableblock format conforming to JIS# B 6313 is used for YASNAC J50L. Table 2,1 shows the tape format. followingthe address charactersin Table 2.1 indicate-the programmable number of digits.

EXAMPLE

[[L

# Japanese IndustrialStandard

Down to th,rd decimal places

Four dlgils of Integer

Numerals

!n mm or Inches

Note: The decimal point may be omitted in actualprogramming. including decimal points, refer to 2.1.3 Decimal Point Programming.

The leading zeros can be suppressed for alladdress codes. med, but allminus signs must be programmed. In the manual, EOB code in a program example is represented by a semicolon (;). In actual programming, CR (EIA code) or LF /NL (1S0 code ) should be used instead of the semicolon

(;).

Plus signs need not be program-

For making a program

2.1.1TAPE FORMAT (Cent’d)

2.1Tape Format

Table

No.

Program No,

Sequence No.

G-Function

Coordinate Word

a: X, Z, 1,K, U, W; R

Feed/rein

Feed/rev and Thread Lead

S-Function

8 T-Function

Address

Metric Output

Metric Input Inch Input

04 04 B

N4 N4

G3 G3 B

(a+ 53)

F 50 F32

F32 F 24

E34 E26 E44

(a+44)

S2 S2 B

T (2+1)

T(2+2) T(2+2)

Inch Output

Metric Input

a+53

F 50

F42

T(2+I)

B: Basic

Inch Input

O: Option

a+44

F 42 B

F24 B

E!26 B

S4 o

—

M-Function

DwelI

ProgramNo. Designation

Sequence No. Designation

No. of Repetitions

Angle Designation for Straight

Line Angle Designation for Multiple

Thread

Notes:

1. Inch/Metric output is set by setting parameter #6007 DS

2. Inch/Metric input is set by setting (#6001 Do).

3. F codes for feed/rein or feed/rev can be switched by G 98, G 99,

u (P)53

P4 P4

Q (P) 4

L8 La B

A (B) 33 A (B) 33

B3 B3

M3 B

u (P)53 B

Q (P) 4 B, O

Table 2.2 List of ProgramCommands

Address

Program No. O

Sequence No. N

G function G

Coordinate Address X, Z, 1, K, U, W, R

Feed/rein

Feed/rev and Thread Lead

S-function

T-function

1–24000 mmlmin

0.01–500.00 rnmlrev

Metric Output

Metric Input

+99999.999rnrn I *3937.0078 in. j *99999.999 mm. I 9999.9999 in.

I Inch Input

1–9999

1-9999

0-199 0-199

0.01–944.88 in/rein

I I I

0.0001 –19.6850 inlrev I 0.01–1270.00 mmlrev 0.0001-50.0000 ~n/rev

I Metric Input I inch Input

1–80960 mmlmin

Inch Output

1–9999

1–9889

0.01–2400.00 inlmin

—

0.0001- 0.ooooo4-

500.OCOOmmlrev 19.685030 in/rev

o-99 0-99

0-9999

0-999

0-9999

0.ooo3-

1270.0000 mmlrev

0-9999

0-999

0-9999

0.000cno-

50.000000 inlrev

M-function

Dwell U, P

Program No. Designation

Sequence No. Designation

No. of Repetitions

Angle Designation for Straight Lin&

Angle Designation for Multiple Thread

Note : For angle designation of included angle for G 76, S= 2.8.26.8 Automatic Threading Cycle (G76).

0-999

0.001–99999.999 Sec

1-9899

1-9689

1–99999999

0-?360.000°

0–360°

0.001-99999.999 Sec

0-999

1-9899

1–9999

1-99999989

0– ~36&r3@3°

o–3800

2.1.2 LIST OF ADDRESS CHARACTERS AND FUNCTION CHARACTERS

Table 2.3 Address Characters

Address

Angle designation for GOland Gill, included angle for G76

Spindle shift angle Ol multiple thread, angle designationfor multiple corneringB

Meaning

c User macro character

D Depth of cut and number of cutting cycles for G 71 to G 76

E Specifications for precise feed and precise lead for cutting

F Specifications for normal feed and normal lead for cutting

Preparatoryfunction (G-function)

User macro character

X-component of arc center, canned cycle parameter, beveling value (radius value)

User macro character

Z-component of arc center, mnned cycle parameter, beveling value

Incremental value of variable lead thread

Number of subprogram repetition, G 13 to G 16 angle and coordinate

B: Basic O: Optional

B, O

Miscellaneous function (M-function)

Sequence number

Programnumber

Dwell, canned cycle starting sequence number, program number, user macro number

Subprogramstarting sequence number, canned cycle ending sequence number

Radius of arc, rounding value, tool radius value

Spindle function (S-function), maximum spindle revolution

Tool function (T-function), tool coordinate memory number

X-axis incremental command value, dwell, canned cycle parameter

User macro character

Z-axis incremental command value, canned cycle parameter

X-axis coordinate value

User macro character

Z-axis coordinate value

B, O

Table 2,4 Function Characters

EIA Code

Blank I NuL

ISO Code Function

Error in significant data area in EIA Disregarded in ISO

Remarks

+--”=--- i ‘--

SP SP Space

‘~+sp”ia’cde

—

oto9 oto9

LF/NL ~ End of Block (EOB)

Disregarded

O/. I

—

Rewind stop

Disregarded, User macro operator

Minus sign, User macro operator

Numerals

~---

atoz

I / Optional block skip

Del DEL Disregarded (Including All Mark)

Parameter

starting

* — —

—

[ [

$ $

Notes:

1. Characters other than the above cause error in significant data area.

2. Informationbetween Control Out and Control In is ignored as insignificant data.

3. Tape code (EIA or ISO) is automatically recognized.

Ato Z

# Sharp (Variable designation)

I* I

—

I 1

1? I

Address characters

Decimal point

Asterisk (Multiplication operator)

Equal mark

~ Left bracket

Right bracket

User macro operator

‘- +

4-”

Special code

EIA:

2.1.3DECIMAL POINT PROGRAMMING

Numerals containinga decimalpoint may be used as the dimensionaldata of addresses relatedto coordinates(distance), angle, time and speed. They can be input from punched tape or MDI .

Decimal pointscan be used in the followingaddress words.

Coodinate words;

X, Z, U, W, I, K, R Angle words: A, B Feedrate word: F, E Time words: U, P

EXAMPLE

[mm]

X15. X15.000 mm

Z20.5— Z20.500 mm

(G99)F.2t —FO.20 mm/rev

(forF32)

(G98)F25.6 F25 mm/min

(for F50)

G04Pl.—

When data without a decimal point is input, the

control regards 1!11!as 0,001 ~m (or 0.0001”inch).

LABEL SKIP FUNCTION

2.1.4

Dwell 1.000 sec

[inch]

or X15.0000 in.

Z20. 5000 in.

or FO.2000 idrev

(forF24)

or F25.60 mm/min

(for F32)

Notes:

1. This function is effectivefor G 22 and G 23 where the control is provided with Radius Programming for CircularInterpolationoption.

Block-to-block stop time due to the time required to compute toolradius compensa– tionis not eliminatedor remains.

To reduce this stopping time, use 2.7.3 Buffering Function (h193,M92) (optional). When operation of consecutiveblocks up to 5 in M93 mode, inter–blockstoppage time is reduced to zero.

2.2

PROGRAM NUMBER AND SEQUENCE

NUMBER

2.2.1PROGRAM NUMBER Program numbers may be prefixed to programs

for the purpose of program identification. Up to 4 digitsmay be written afteran address

character “O“ as program numbers. program numbers can be registeredin the control,and up to 199 or 999 can be registered employing an option.

One program begins with a program number, and ends with M02, M30 or M99. M02 and M30 are placed at the end of main programs, and M99 is placed at the end of subprograms.

up to 99

In the followingcases the labelskip function

becomes effective,and LSK is displayed on the CRT .

. When the power supply is turned on. . When the RESET operationis executed.

While the labelskip functionis effective,alldata on the punched tape up to the firstEOB code are neglected.

When LSK is displayed on the CRT in the MEM (memory) or EDIT (editing)mode, itindicatesthe presence of a pointer at the leading end of the part program.

BUFFER REGISTER

2.1.5 During normal operation, one block of data is

read in advance and compensation is computed for the follow-on operation.

In the toolradius compensation”tmode, two blocks of data or up to 4 blocks of data are read in advance and compensation computing required

for the next operationis executed. One block

can contain up to 128 characters including EOB .

The blocks including the followingM codes are not read in advance .

. MOO, MO1, M02, M30 . M codes (6 maximum) set by parameter com-

manding to stop advance-reading.

PROGRAM WITH PROGRAM NO. 10 PROGRAM NO.

PROGRAM WITH

1234

ER (or % at 1S0 code) is punched on both end parts of the tape.

Notes:

1. The blocks for optionalblock skip such as /M02;, /M30;, /M99; are not regarded as end

of programs.

2. It is possiblewith a parameter change (#6201Do), to make the reading of M02, M30, and M99 ineffectiveas a program end, and

to make the succeeding ER (EIA) or % (ISO)

as a sign of program end.

SEQUENCE NUMBER

2.2.2

Integers consistingof up to 4 digitsmay be written followingan address character N as sequence numbers.

Sequence numbers are reference numbers for blocks, and do not have any influenceon the meaning and sequence of machining processes. Therefore, they may be sequential,non-sequen-

tial,and duplicated numbers , also not using any sequence number is possible.

Generally, sequentialnumbers are convenient as sequence numbers.

When searching for sequence numbers, be sure to search or specifyprogram numbers beforehand.

Notes:

1. Five or more digitsmust not be written as a sequence number.

When two or more blocks have the same se– quence number, only one is retrievedand read, and no more searching is performed.

3. Blocks without sequence numbers can also be searched for with respect to the address

data contained in the blocks.

2.2.3.

OPTIONAL BLOCK SKIP (/1-/9j+)

Those blocks in which “/n” (n = (1 - 9) is included are neglected between In and the end of that block, when the externaloptionalblock skip switch for that number “n” is on.

EXAMPLE

2.3.1

COORDINATE WORDS

Address of Coordinate Words

Absolute coordinate position of target

x, z

I I

Main Axis

Radius Value for Circular Interpolation

Note: When G 90 and G 91 are used, addresses X and Z are

not fixed as absolute value and follow according to G 90/G 91 designation. For details, refer to 2.3.5 Absolute and

Incremental Inputs,

position Incremental distance

(U: Direction in X-axis,

u. w

W: Direction in Z-axis)

Incremental distance between start point

and center of circular arc.

1, K

(1: X-axis component, K: Z-axis component)

R+

Rsdius value of circular arc

Meaning

/2 N1234 GO1 X1OO /3 z200;

When the switch for /2 is on, the entireblock is neglected,

and when the switch for /3 is on,

thisblock is read as if

N 1234 GO1 XIOO; .

With II1,IIIIIllmay be omitted.

Notes:

1. The optionalblock skipping process is executed while the blocks are being read intothe

buffer resister.

Once the blocks have been read, subsequent switching on is ineffective to skip the blocks.

While reading or punching out programs,

thisfunctionis ineffective.

3. The block skip /2 - /9 is an option function, and /1 is a basic one.

COORDINATE WORDS

2.3

Generally,

commands for movements in axis direc– tions and commands for settingcoordinatesystems are calledcoordinatewords, and coordinate words consistof address characters for desired axes and numerals representing dimensions of directions.

2.3.2 SIMULTANEOUS CONTROLLABLE AXES

The controlprovides two-axis controlfor X- and

Z-axis.

Number of simultaneouslycontrollable axes, when commanded in the same block, is two axes ,

Xand Z. For the axis without com-

mands, movement willnot occur.

LEAST INPUT INCREMENT AND LEAST

2.3.3

OUTPUT INCREMENT

2.3.3.1

Input Unit and 10 Times input Unit

The minimum input units that can be commanded by punched tape or MD I are shown below.

Least Input Increment

Metric system 0.00f mm O.Of

Inch system I 0.0001 in. I

X-axis is specified for diameter.

,0x (?Otimes

Input unit)

0.001 in.

Inch /MM input is selectedby setting#6001D0. Inch/MM input selectionby G20/G21 is optional. Selectionof multiplicationfactorxl/x10 is made

by parameter #6006D

Tool offsetvalue must always be written in 0.001 mm (or O.0001 inch), and offsetis possiblein these units.

2.3,3,1 Input Unit and 10 Times Input Unit (Cent’d)

In 0.01 mm increment system, the followingoperationmust be made in the unit of O.01 mm.

. Programming for operationin TAPE mode. o Write operationin MDI mode. . Programming for operationin MEMORY mode. o Program editingoperationin EDT mode .

Notes:

If NC tape programmed by O.001 mm is fed

1. intoor stored in an equipment set by O.01 mm increment, the machine willmove ten times the intended dimensions.

If the increment system is switched when the

2. contents of NC tape are stored in memory, the machine willmove by ten times or one tenth of the commanded dimensions.

When the stored program is punched out on

3. the tape+, the stored figures are punched out 1!as stored!lregardlessof switching of the increment system.

Multiplicationfactor 10X (10 times the input

4. unit)is effectivefor distancecommand only. Itdoes not functionon the designationof time, angle, etc. When multiplicationfactor

10X is set as effective(#6006D5 = 1), the same address word is multipliedby 10 or not depending on type of G command.

EXAMPLE

G04 U...

GOO U... ;—

2.3.3.2 Least output increment is the minimum unit of

Least

;—Not multipliedby 10 (Time)

Multipliedby 10 (Distance)

Output Increment

toolmotion. Selectionof metric system or inch system is made by parameter (#6007D3).

Least Output Increment

I I

Z-axis

0.001 mm

0.0001 in.

Metric output

Inch output

X-axis

(Radius value)

0.0005 mm

0.00005 in.

Maximum Programmable Values

Metric input

Metric Output

Inch input ~ + 3937.0078 in.

-...t -––-–.—–. -----

Metric input * 99999.999 mm.

Inch Outout

Inch input

+.9999.999 mm.

– + –- ——–—-—-

?c99999.999 in

In incrementalprogramming, specifiedvalues must not exceed the maximum programmable values. In absolute programming, move amount of each axis must not exceed the maximum programmable value.

THE MACHINE MAY NOT FUNCTION PROPERLY IF MOVE COMMAND OVER THE MAXIMUM PRO-

GRAMMABLE VALUES IS GIVEN.

The above maximum programmable values also apply to distancecommand addresses 1, K, R in additionto move command addresses X, U, W.

ABSOLUTE AND INCREMENTAL INPUTS

2.3.5 Both absolute

input and incrementalinput can

be used for the control.

Absolute input is specifiedby the addresses Xand Z.

EXAMPLE: X.. . Z.. . ;

Incrementalinput is specifiedby the addresses U andw.

EXAMPLE: U,. . W.. , ;

Absolute input and incrementalinput can be

used in one block mixedly.

EXAMPLE: X.. . W.. . ;

u.. . z... ;

Note :

When addresses X and U or addresses Z and W are used inone block, the latteris effective.

The addresses 1 and K for designationof arccenter must be specifiedby the incremental dimension.

MAXIMUM PROGRAMMABLE DIMENSIONS

2.3.4

Maximum programmable values of move command

are shown below.

Table 2.5

Address

Increment System Designation

Absolute Input

Incremental Input

R’

Incremental Input

Diameter Position in X-axis direction*

—

Diameter

—

Radius

—

Position in Z-axis direction *

Move amount in X-axis direction

Move amount in Z-axis direction

Distance in X-axis direction from starting point of arc to

center Distance in Z-axis direction from starting point of arc to

center

Direct programmingof circular arc

TAPE, MEM, MDI modes

EXAMPLE :

—+Z

Incrementalmove command

Meaning

Addresses G 90 Command G 91 Command

x, z Absolute Incremental

u, w Incremental

Incremental

G91 GOO X40. z50. ; ““”..

Xand Z: Absolute Input Uand W:

* Since X and U are designated by the

values in diameter,the actual movement is the half of the values.

Fig. 2.1 Absolute Coordinate Values and Incremental

Cases where G 90

mental commands ) are used.

When specialG code I (basic) or II (option)is

selected,G90 and G91 codes can be used.

Incremental Input

Coordinate Values

and G 91 (absoluteand incre-

G code

91 Incremental command

Meaning

Absolute command

. Auxiliarydata, I, K, R, etc., of circular

interpolationare always incrementalcommands.

Note: together in the same block.

G90 and G91 cannot be programmed

If they are written

in the same block, the one writtenlater only is

effective, EXAMPLE :

GO1 G90 x80. G91 z60.;

G 91 is effective,and in thisblock, commands become incrementalin both the X and Z axes.

X-AXIS DIAMETER/RADIUS SWITCHING

2.3.6

Addresses X and U for X-axis coordinatewords are specifiedby diameter value. This iscalled diameter designation.

The addresses X can be used for designationof both diameterand radius. of parameter #6006D

The switchingis made by the setting

0: Diameter designation

1: Radius designation

As shown below, G90 and G91 commands are effectiveonly to addresses X and Z .

2.3.6 X-AXIS DIAMETER/RADIUS SWITCHING (Cent’d)

each axialdirectionsimultaneously,motions in

these axial directionsare independent of each

other. and the end Doints are reached at differ-

rent times among these motions. motion paths are normally not straight.

50% and 100% of the basic rapid traveree ratee,

BEl=$+zEF+z

(a) In the case of Di-

ameter Designation dius Designation

Address X command

(b) In the case of ra-

-.-f,

r-lg. z. z

Table 2.6

Diameter

Programming

Radius

Programming

are available.

parameter (#6231).

Range of Rapid Traverse Rate

(1)

(2) The rapid traverse rate can be set to the

When the toolis moved in rapid traversein

“.

Therefore,

For override rapid traverse rates, Fo, 25%

Fo is a constant feedrateset by

For each axis, rapid traverse rates can be set by parameters #6280, #6281 at some suitablemultipleof 125 p/see.

Least output increment)

(p:

uPPer limitshown below.

Address U command

X-axis position-display

Tool position offset value

Tool coordinate data for work coordinate system

Nose radius R

Feedrate F, E in X-axis direction

Radius data 1,

R for circular interpolation

G90-G 94, G70-G76,

Parameters for cornering, and multiple cornering, D, 1, K, P, Q, R

Diameter value

Radius value

Radius value/rev Radius value/rein

Radius value

2.4 RAPID TRAVERSERATE

2.4.1RAPID TRAVERSE RATE

The rapid traverse motion is used for the motion

for the Positioning(GOO ) and for the motion for the Manual Rapid Traverse (RAPID). The traverse rates differamong the axes since they are

dependent on the machine specificationand are

determined by the machine toolbuilders.

The

rapid traverse rates determined by the machine are set by parameters in advance for-individual axes.

The upper limitfor X-axis speed is halfthe listedvalues. The optimum value of upper limitis set according to the machine. Refer to the machine toolbuilder’smanual,

for the definitevalue.

FEED FUNCTION (F- AND E-FUNCTION)

2.4.2 code listedbelow must be designated before F,

and E functionis commanded.

Designation of feedrate in mm/min.

Note: Forthsdetails,referto2.8.28, “FeedFunction Designation.”

Designation of feedrate in mm/rev.

Since F, E codes are modal, these codes are effectiveuntilnext F , E codes are given.

However, when G98/G99 are switched, new F

code must be designated.

In G98 mode, E code cannot be commanded. If commanded, PROG ERROR “030” willbe activated.

2.4.2.1

(1)

Feed Per Revolution (G99 Mode)

Tool feed per revolutionof the spindlecan be specifiedwith F (normal feed) or E (fine

feed).

(2) The feed ranges that can be specifiedby

the F and E codes are as follows.

G99 Mode, Fand E Feed Ranges

‘~ I Format I Range of Feecf/Revel.tion

Values of F command at linearor circularinterpolationrepresent the tangentialfeedrate when two axes are simultaneouslycontrolled.

Metric

output

Inch

output

These feed ranges are subjectto the following restrictionsdepending on the spindlespeed S.

lVotes :

input

Inch

input

Metric

‘nPut1+=~

Inch input

Metric output

Inch output

Notes:

1. Program feed per revolution within such a range that the X-axis ccwnponentremains below 12,000 mm/min or 1,200 in./min.

This upper limit may still be reduced by the performance limit of the machine. Refer to the machine tool builder’s manual.

A command “F O“ causes data errors. Any minus value should not be specifiedfor

F commands. not operate properly.

EXAMPLE

F-250 ; s““”” Wrong

F 32

E34

F 24

E 26

F24 FO.001–F 50.0000 in./rev

E26

F0.01– F 500.00 mmlrev

E0.0001 – E 500.0000 mmfrev

FO.CQOI–F19.6850 in./rev

E0.C00004 – E 19.685000

F O.OQOO1O–E 50.000000 in/rev

F(E)XS S 24,000 mmlmin

F(E)XS S 2,400 in./min

If specified,the machine will

—.

in.lrev

EXAMPLE 1

G99 S1OOO (rein-l);

GO1 U60. W40. F50 ; In the above case, the feedrate is F x S = 0.5 mm/rev x 1000 rein-l

= 500 mm/min

~ 3002 + 4002

——

Z-axis feedratecomponent

[~_axisfeedrate component

I$’$’

TANGENTIAL

+x FEEDRATE

L-

EXAMPLE 2

G99 S 1000 (rein-l); G03 U.. . W.. . 1.

In the above case,

FxS= 0.2

(mm/rev)

= 200 mm/min

Jfx2 + fz2

CENTER

}

,‘1.200 I

I x,

+x I

t ! 7-’:

~ +Z

400 mm/mln

‘\

~ 300 mm/mln

---

(a)

.. F20 ; the feedrateis:

1000

(rein-l)

mm/mtn

\\.

f!fx

‘d”

(b)

Feedrate commands in the directionof the

3. X-axis must be given in radius.

EXAMPLE

G99 S350 (rein-l); GO1 U1OO. F200 ;

In the above case, the feedrateis:

F x S = 2.0 mm/rev. x 350 rein-l

= 700 mm /rein

000 In case of F3Z.

L___ +,

FEEDRATE 700 mmlmm

2.4.2.2

(1) Tool feed can be specifiedin

(2) The feed range that can be programmed

Feed Per Minute (G98 Mode)

mm /reinor

in/reinwith F codes.

with F codes is as follows.

2.4.2.2 Feed Per Minute (G98 Mode) (Cent’d)

‘ELO’:ln

G98 Mode FCode

% lFormatl Range of Feedpar Min.te

Metric Intwt

Metric output

Inch output

Notes:

1. Program feed-per-minute values so that the X-axis speed

2. The upper limit value is further subject to the limitation

Notes:

Do not write F command in FO or negative

1. values.

2. Commands in the X–axis directionindicate speeds in radius.

Example

G98; GO1 X200. F700 :

Inch

Irmut Metric

Input

Inch hlDut

ccmponent wiIi not exceed half the above upper limit faedrates. EXAMPLE

G98 GOI U300. F1200 (Metric output, metric input)

imposed by the machine performance. Refer to the machine tool buiIder’s manual, This upper limit value is to be set in Daremeter #8228.

F=700mm/m, n

F50

F32

F 50

F 42

—!

’13-

FeedRange

F1.– F 24000. mm/min

F0.01–F944.88 in.lmin

F1.– F60860. mmlmin

FO.01–F 24000.00 in,lmin

FEEDRATE

700 mm/mln

*I @o

400mm/mln

EXAMPLE 2

G98 ;

G03 X.. . Z... 1“”” F200 ;

In this case,

F= 200= {fx2 +fz2

(mm/min)

+x I

2.4.3

AUTOMATIC ACCELERATION AND

DECELERATION

Accelerationand decelerationfor rapid traverse and for cutting feed are automaticallyperformed without programming.

2.4.3.1 Acceleration and Deceleration of Rapid Traverse and Manual Feed

In the followingoperation,the pattern of auto-

matic accelerationand decelerationis linear.

(See Fig, 2.3,)

. Positioning(GOO) “ Manual rapid traverse (RAPID) . Manual continuous feeding (JOG) . Manual HANDLE feeding (HANDLE)

CENTER

?’.\,oomm/m(”

+ z (a)

/ 300mm/m[n

-----J

‘\\

+-Z

;fx

-c

(b)

Values of F command at linearor circular

interpolationrepresent the tangentialfeed–

rate when two axes are simultaneouslycontrolled.

EXAMPLE 1

G98 ; GO1 u60, W40. F500 ;

In thiscase,

500 . ~3002 . 4002

F =

(mm/min)

Z-axis component

X-axis component

TIME _

Fig. 2.3

Rapid traverse rate and the acceleration/decel-

erationconstant of rapid traverse rate can be set by parameter. (

As shown in the followingoperation,the two-step linearaccelerationand decelerationcan be specified. (independent of each axis) (See Fig. 2.4.)

#6280 to #6287)

. Cutting feed (GO1 to G03)

G00

.———

VELOCITY

TIME —

Fig. 2.4

S22 ; X.. .

z.. F.. . ;

S22: Effective

Note : The two-digitBCD output is sent to the

machine when S and two–digitcommand is issued.

2.5.2 S4-DIGIT

PROGRAMMING AT

(1) Four digitsfollowingS (S El❑ ❑ •l) are used

to specify the spindle speed in rein-l.

Feedrate time constants-areset at 2 msec intervals and feedrate bias is set at 2kpps intervals by parameters. (

#6092, #6093)

Note: The automaticacceleration/deceleration parameters are set to the optimum values for the respective machines.

Do not change the setting

unless itis required for specialapplication.

SPINDLE-SPEED FUNCTION (S-FUNCTION)

2.5

2.5.1 S 2-DIGIT PROGRAMMING

(SPECIAL

SPECIFICATIONS)

The spindlespeed is specifiedby two digitsfol-

lowing the address S (S00 to S

99) .

For each S code and itscorrespondingspindlespeed

(rein-l),refertothemachinetoolbuilder’smanual.

When a move command and an S code are issued

in a block, execution willdepend on the machine

tooldesign and construction (Whether the S command is executed together with the move com-

mand or afterthe completionof toolmovement) .

Refer to the machine toolbuilder’smanual.

Once specified,S-code is modal and effective

untilthe next S-code.

When the spindlestops at M05 (spindlestop), S-command is stored in memory of the unit.

EXAMPLE

(2) When S command is given in a block together

with M03 (spindle forward running) or the

M04 (reverse running) , the controlproceeds

to the next block afterthe spindle speed reaches the speed given by the S code. For details,refer to the machine toolbuilder’s manual.

EXAMPLE

S1OOO M03,

START OF THE BLOCK

S commands are modal. Although the spin-

(3)

1003 R/MIN

———— —-

I I I

‘fl

START

SPEED SYNCHRO)

ACTUAL SPEED

dlZATION

SPINDLE

~::::fi”’

dle stops at the M05 command, the S command is retained.

Therefore, when M03

(or M04) is given, the spindleruns accord-

ing to the S command.

(4)

When S command is changed afterthe spin-

dle startby M03 or M04, S command should

be given within the range of spindle speed

selectedby spindle gear.

GOO S11 M03 ;

... S command

Spindle CW

x.. . z... ;

GO1 Z.. . F.. . ;

GOO X.. . z... M05 ;

.,. Spindle stop

...M03 ;

x.. . z.. . ;

... ...

;

Sll: Effective

S 11: Effective

Notes:

The lower limitof the spindle speed depends

1. on the spindle drive.

Refer to the machir,e toolbuilder’smanual for the low-speed limit. Negative S commands must not be programmed.

When the control is provided with the S 4digitcommand function,the “Spindle speed override” option can be builtintoit.

With machine toolswith which the main spin-

dle gear ratiochanges can be specifiedby

M codes, firstwrite the applicableM code to preselectthe desired gear ratio,and then,

write the S command. Refer to the data of the machine toolbuilder for the number of

gear ratios,the speeds at various gear ratios,

and other details.

2.5.2 S 4-DIGIT PROGRAMMING At (Cent’d)

When the controlis provided with this func-

tion,the spindlemaximum speed commanding

functionwith the instruction“G50 S. .. ;”

can be used.

2.5.3S 4-DIGIT

PROGRAMMING Bf

(1) This functionis to modify the S4-digitcom-

mand A output freelythrough the program– mable machine interface.

(2) Basically,thisfunctionisusedin thesame way as

theS 4-digitcommand A function,but itisnormallyused tosetthemanuallycontrolledspindle speeds controlledby the rotaryswitchon the machine controlstationcorrespondingto S command speeds.

For the detailsofS command

speeds,refertothemachinetoolbuilder’smanual.

TOOL FUNCTION (T-FUNcTiON)

2.6

2,6.1 T 4-DIGIT PROGRAMMING

(1) Four digitsfollowingthe address T specifies

the toolnumber.

OFFSET MEMORY NO

‘ WORK COORDINATE

SHIFT MEMORY (1 GROUP)

‘TOOL OFFSET

MEMORY — (50 GROUPS MAX)

‘TOOL COORDINATE

MEMORY —

(49 GROUPS MAX)

Note :

For the actuallyusable range within the

No.

--- ------ -4- —-. y

______

I ‘

[ ‘

_____

z R

-----

-‘

T 4-DIGIT ; BASIC : OFFSET

MEMORY SUPPLEMENT

above OffsetMemory, refer to the machine tool

builder’smanual.

(2) The “tooloffsetNos. “ specifiedby the T

functiondirectlycorrespond to the “offset memory Nos. ,“ and theircontents are used for various compensations.

However, the

toolcoordinatememory Nos. (for settingthe work coordinatesystem) correspond to the toolselectionNos. in the T function. The

work coordinateshiftmemory is an independent function,not relatedto the T function.)

Tnmmn

TC(o_160r50)

Tool offsetnumber

Tool selection

(2) For applicabletoolnumber to be specified,

refer to the machine toolbuilder’smanual.

Notes:

When the toolnumber is changed by the T

command, a turret lathe begins to index the toolinstantaneously.

Therefore, the turret should be removed, before the command, from the area where”an accidentalcollision might occur.

Tool offsetnumber 00 cancelsthe tooloffset.

TOOL OFFSET MEMORY t

2,6.2

The area in which toolpositionoffsetvalues, tool radius compensation values, and other comPensa– tiondata are stored is calledOffset Memory.

(3) Write these data in the memory, before start-

ing to operate the machine under automatic control. For the writing procedure, refer to 4.3.5,“Displaying and WritingTool Offset Values.“

For writingintoTool Coordinate

Memory, followthe procedure described in

6.2.3,“Work Measurement Value DirectInputt.“

TOOL POSITION OFFSETS

2.6.3

When the tooloffsetnumber is specified,the off-

set value corresponding to the tooloffsetnumber is added algebraicallyto the command value in the program and the toolis moved to the offset position. Therefore, the differencebetween the coordinatevalues of the programmed tooltipand the actualtooltip must be stored intotooloffset memory in advance as the offsetvalue.

When the coordinatevalue of the actualtooltip

has changed due to toolwear or some other rea-

sons, the toolpositionoffsetvalues should be

set again.

Thus, the programmed machining is

attainedwithout correctingthe program.

(1) Range of tool positionoffsetvalue

The programmable range of tooloffsetvalue is shown below.

(1) The entirememory areas of Offset Memory

including the options are as shown below.

output I

Metric

output

Inch output

(2)

Sign of toolpositionoffsetvalues

Store the toolpositionoffsetvalues in the OffsetMemory. viationfrom the tooltippositionof the reference toolwhich is determined as zero.

Input

Metric input O- k6366.607

Inch input O–+330.260t in.

Metric input O– ~9999.999 mm

Inch input O- t636.t?607 in.

The offsetvalue is the de-

setting Range

,’+

8X3

X,z)

(

EXAMPLE

TIOI ; ....................

CIZ2:

+Sz,

‘- 1 COMPLETION

,OFFSET MOTION

ax!

tiOLpOs’T’ON

-z

Descriptionof toolpositionoffsetmotion

(3)

As mentioned above,

by the address T and 4 digitsis moved, the offsetvalue corresponding to the tooloffset number is added to the command value in the program algebraicallyand the tooltipis

moved to the offsetposition. When there is no move command in the block,

the toolmoves only by the offsetvalue. Once, the tooloffsetnumber is designated, the toolmoves always to the offsetposition untilanother number is designated. When the other offsetnumber is designated or the offsetvalue is changed, the offsetvalue is compensated for by the amount of the differencebetween the old and new offset values.

OFFSET VALUE

T101

(+ 6X1, + 6Z1)

[

T115

(+ 6X2, + 6Z2)

[

I I

PROGRAMMED

–x

Fig. 2.5

(& DIAMETER)

when the toolspecified

+-z

GO1 X.. . Z...

T115 ; ....................

(4) Move speed with tooloffset

The move speed of tooloffsetis determined by the feedratecommand that is effectivein the block. Therefore, the feedratecommand

(GOO or GO1 F. or in the block containingthe tooloffset number.

EXAMPLE

G50 X.. . Z.. . ;

GOO S.. . M03 TO1O8 ;

x.. . z... ;

(5)

Instructionsfor commanding toolposition offset

Tool positionoffsetis executed by designating the tooloffsetnumber corresponding to the actual toolmust be designated.

Tool offsetstartsat the block in which the T-code is commanded. When T-code is read, the tool selectionsignal (BCD ) is fed and the toolstartsto move by the offsetvalue corresponding to the tooloffsetnumber. Since T code is modal, itis retaineduntil the other T code is designated.

EXAMPLE

GOO T0202 ; ...

When the tooloffsetvalue must be changed, the T-code whose tooloffsetnumber is rewritten should be commanded again.

F(E) ... ; .......

(Block of the

offsetmotion)

..) should be issued before

Offset

made at the rapid traverse rate.

The toolnumber N02 is

selected. motion is made accord– ing to the contents of the tooloffsetnumber 02.

motion is

Tool offset

@ @

2.6.3 TOOL POSITION OFFSETS (Cent’d)

EXAMPLE

GOO T0202 ; GO1 X.. . ZOO. F.. . ;

GO1 T0216 ;

Tool offset isreplaced Tool offset

at the cutting feedrate.

number 02

with 16.

motion is made

Note that ifthe toolnumber is changed in this case, the toolindexing motion starts,

c. The angle of taper cutting can be changed

by the followingprocedure.

T code for change of tooloffsetnumber should be commanded in the block together with cuttingfeed command .

EXAMPLE

@ GOO T0202 ;

GO1 X.. . Z... F... ;

@GOl U+... W-... F... TI)216 ;

DIFFERENCE OF TOL OFFSET VALUE BETWEEN T0216 AND T 0202

MOVEMENT OF COMMAND ~~

MOVEMENT WITHOUT COMMAND T0216 IN c

–w

STARTING POINT (BEFORE THE EXECUTION OF COMMAND @)

When the T command and the move command

are issued in the same block, the toolnose moves to the offsetposition. Therefore, in the above case, the taper angle is corrected

by the differenceof the offsetvalue between

T0202 and T0216.

When the toolpositionoffsetisrequired to cancel,the T code with the tooloffsetnum– ber O or 00 (T ❑ 0 00) must be commanded. The toolpositionoffsetisinstantaneously cancelled.

GOO T0202

...

GO1 X.. . Z...

Gol

u+. . . w-.

@GOO X... Z..

. F.. .

;

T0216

T0200 ;. ...

The offset motion is cancelled. Tool moves

according to

the position

specifiedby Xand Z.

The block @ of EXAMPLE can be divided

intotwo blocks.

GOO X.. . Z.. . ;

. .

T0200 ; ..

only cancel motion is made at rapid traverse rate.

Notes:

Tool position

offsetis cancelledby RESET

operation.

The tooloffsetmust be cancelledbefore Mf)2 or M30 is commanded.

The tooloffsetshould be cancelled alsobefore

3. Automatic Zero Return (G28) is commanded.

When the controlis reset by M02 or M30 com-

4. mand or by executing RESET operation,

the tooloffsetnumber becomes O (or 00). When the Zero Return (autoor manual) is ex-

5. ecuted, the tooloffsetis cancelledautomatically.

The tooloffsetmust be alsocancelledbefore

6. Zero Return Check (G27) is commanded. I’f

the G27 is commanded at the statewhere the tooloffsetis effective,the controlwillbe the stateof Zero Return check error, because the tooloffsetvalue is added to the programmed position.

WORK COORDINATE SYSTEM SHIFT+

2.6.4

With thisfunction,coordinatesystems set by G 50, the Work Coordinate System Setting function, etc.

can be shiftedthrough desired distances.

(1) Shiftvalues in the X and Z axes can be

written intothe Work Coordinate System ShiftMemory (one group ) with which the offsetmemory No. is ,

!!00 !!by the same pro-

cedure as for writingtooloffsetvalues.

(2)

The written shiftvalues become effective from the moment described below.

When G50 coordinatesystem is set

When G50GT work coordinatesystem is set

When automaticcoordinatesystem is set

PositionAbsolute displayis reset by ORG

key

That is, when these coordinate systems listed above are set, the shiftvalues are simply added.

Tools are not shifted.

‘N+

ORIGINAL COORDINATE AXES

x,/2 /

3. When G50 coordinate system is set or when positionabsolutedisplayis reset by ORG key 1, parameter #6o18 D7 determines whether work coordinatesystem shiftamount is effectiveor not.

2.7

MISCELLANEOUS FUNCTIONS (M-FUNCTION)

The miscellaneousfunctionis specifiedwith the

address M and a maximum 3 digits. The function of each M code (MOO to M99) is determined by the machine, except for severalM codes. the machine toolbuilderfsmanual for the func– tionof M codes except for the followingM codes concerned with the control.

M CODES FOR STOP (M 00, M 01, M 02, M 30)

2.7.1

To stop the NC controland machine, the following codes are provided.

Refer to

+-#----+z

SHIFT COORDINATE AXES

Fig. 2.6

For positiveshiftvalues AX and AZ, the

coordinateaxes are shiftedin the direction

shown above. Xo and Zo are originalcoordinate system settingvalues.

This shiftfunctionis executed at each time

(3)

any of the conditionsdescribed in a, b, c,

and d is met.

When the contents of Work Goordinate Sys-

(4)

tem ShiftMemory are rewritten, the new shiftvaluesbecome effectivefrom the moment the operation a, b, c, or d above is subsequently executed.

(5)

The ~rocedure of 5.2.3.“ MEASURED WOR.K’PIECE VALUE DIRECT INPUTi’ is effectivefor the Work Coordinate Shift Memory with an offsetmemory No. “00.“

Notes:

1. The shiftcommand by the Work Coordinate Shift function can not be cancelledunless the setting value is changed to “O.“ No resetoperationis effectivein canceling it.

Moo: MOl: Optionalstop M02: M30:

These commands stop the advance reading of the control. and their respectivedecoded signalsare output.

(M 90 TO M 109) M90

Even when they are programmed, no external output signal(BCD and decoded output) is sent.

2.7.3

(1) The followingM codes are issued for

Program stop

End of program End of tape

For these M codes,

M CODES FOR INTERNAL PROCESSING

2.7.2

through M109 are forinternalprocessing.

M96 t:

M97 ‘:

M98: M99:

M1OO to

Tool radius compensation:

circularpath mode Tool radius compensation:

intersectioncomputing mode

Subroutine program call Subroutine program end

Not used (for specialapplication)

109:

BUFFERING FUNCTION (M93, M 92) +

buffering function.

M 2-digitBCD code

Tt1000 ; .....

G50 TaCl~; ...

The tooloffsetNo

has nothing to do with the contents of Work Coordinate ShiftMemory.

—

Tool positionoffsetcancel Work coordinate system

setting

00 in these instructions

Note: When power is applied, the current M code is changed

to the M code marked wirh~. However, it is not changed by

RESET ooeration.

2.7.3 BUFFERING FUNCTION (M93, M92) t (Cent’d)

4-block buffering (M93)

(2)

When M93

; command is given, the control enters the 4–block buffering mode, which remains untilM92 is commanded subsequent-

In this mode, up to 4 blocks of data

ly. are read in advance for subsequent opera– tion. With programs in which the operation time for the 4 blocks read in advance is longer than the reading and processing time of the subsequent 4 blocks, interruption between blocks can be eliminated. This

function is effectivein avoiding a shiny streak on the workpiece caused by feed

stop between blocks.

(3) l-blockbuffering (M92)

When M92 command is given, the 4-block

buffering mode is cancelled,and the 1 block buffering mode isrestored.

Note: While the toolradius is being compensated for with the M93 function, up to two blocks not containingmove commands are ~ermitted, and as the result,up to 6 blocks may-be read in advance.

EXAMPLE

N51 M93 ;

— Start of 4–block advance

reading . N52 GO1 U“. . F.. . ; N53 X.. . 2... ; N54

Stop between blocks for toolradius compensationor other calculationcan be

avoided.

M58~ ;—

Canceling 4-blockadvance

reading.

CIRCULAR PATH MODE ON/OFF ON TOOL

2.7.4

RADIUS COMPENSATION (M 97, M 96)+

These M codes are effectivewhen the control is

provided with the toolnose radius compensation

option.

(1) The followingM codes are used.

(2)

With the toolradius compensation mode by

G41 to G44, the locus of the tool(center

of toolradius) for commanded workpiece

contour lineswith the angle between tangents larger than 180° is in the following

two categories.

M96 mode

The center of the toolnose radius describes a circulararc around the perimeter in the

contour line.

M97 mode The center of the toolnose radius moves

along the locus that is formed by straight linesshifted from the contour lineby the distanceequal to the toolradius.

‘“m

mode

M 96

(circular arc)

(3) Commands of M96 and M97 become effective

from the edge in the followingcommand blocks.

a. GO1 X.. . 2.. . F.. . o

(GO1) X... Z... M96

(or M97) ;

b, GO1 X.. . Z... F...

M96 (orM97) ;

(GO1)

X... 2.. .

2.7.5SUBROUTINE PROGRAM (M98, M99)

With thisfunction,

subroutine programs which have been numbered and stored in advance are calledand executed as many times as desired.

M 97 mode (calculation of

intersection)

Fig. 2.8

From the move

‘ 1

around the edge

in thisblock.

-1-

;~ From the move

around the edge in thisblock.

;--_J

M code

M 96

M 97

Note: When power is applied, the current M code is

changed to the M code marked withy.

However, it is not changed by RESET operation.

Tool radius compensation circular path on

Tool radius compensation circular path off

(Execution of intersection Doint)

Meaning

(1) The followingM codes are used for this

function.

(2) Callof subroutine program (M98)

M98 P.. . Q.. . L.. . ; With thiscommand, the subroutine program

startingwith a sequence No. followingQ in the part program with the program No.

specifiedby P is calledand is executed L

times. However, when P is omitted:

subroutine program followingthe sequence No. Q in the main program iscalled.

Q is omitted: subroutine program startingat the leading

end of the program No. specifiedby P is called.

L is omitted:

execution isonly once.

Subroutine programs can be nested up to

4 times.

(3) End of subroutine program (G99)

; iswritten at the end of subroutine

M99

program to end it. When thiscode is written,the operationreturns to the block immediatelyfollowingthe main block in which the subroutine program was calledafterthe execution of the sub– routineprogram.

Notes:

1. When the program No. specifiedby address P and the sequence No. specifiedby Q are not found, alarm code 041 is displayed.

While command L for the number of repetitions is under execution,

the remaining number of repititionscan be displayed. For details refer to 4.3.2.2.

3. This functioncan be used when subroutine programs are stored in the part program memory.

Main programs can be commanded

through NC tapes or the part program memory.

When subroutine programs are nested more than 4 times,alarm code “042“ is displayed.

EXAMPLE

Main Program

Subroutine Program

N’20M99;

I Two t[mes

One time

M99 P.. . ;

When thisis written at the end of a subroutineprogram, the operationreturns to the sequence No.

specifiedby P in the main

program.

(4) Simple jump command

M99 P

● *o ;

When this command is used in the main pro-

gram, the operation simply jumps to the sequence No.

specifiedby Q in the main

program . If Q is omitted,the program

simply jumps to the leading end of the main

program.

N1 G50XO ZO :

N2 GOO . . . ;

N9 M99 ;

1 1

Writingmultiblocks (10 linesmaximum) of this program and executing cycle start

make endless operation.

2.7.6 OTHER M CODES

(1) How to use the other M codes other than the

above depends upon the machine.

Refer to

the machine toolbuilder’smanual.

Tadle 2.7 Typical Example of M Codes for Machine

M code

~q .ire.s.i,.hiw~.m

M 04 Spindle reverse running

Meaning

M 03 to M 04 cannot be done.

M 05 must be inserted

Remarks

-d= betw=n’hem

M 08

M 09

(2)

When these M codes are commanded in the

same block with move command, execution wiH,depend on the machine tooldesign and construction. are executed simultaneouslywith or after completion of move command. )

For these M–code commands,

(3)

puts M 2-digitBCD codes.

Coolant on

Coolant off

(Whether the M commands

—

the controlout-

2.7.7 M 3-DIGIT BCD OUTPUT T

When the control is provided with the M 3-digit

BCD output option,it can command M 3–digit codes between MOO and M999.

(1)

M codes between MOO and M89, and between M11O and M999 are output in 3-digitBCD codes.

(2)

M’W through M109 are internalprocessing M codes, and no BCD code for them is out-

See 2.7.2 M CODES FOR INTERNAL

put, PROCESSING .

(3)

With MOO, MO1, and M30, decode signalsare output in additionto the BCD output. See 2.7.1,“

(4)

The specificusages of the M 3-digitcodes depends on machine tool design. Refer to

machine tool builder’smanual.

2.7.8 HIGH-SPEED M FUNCTION

M CODES FOR STOP. ”

# 1224 MD3 MD2 MD1 MDO

I I

6644

I I

xx xx xx xx

(Commanded by 2 digits)

#6645 . . .

(b)

1224

#6645

(Example of setting)

#6644 #6645 ...

For settingthe M code corresponding to the decode output ‘MD4 to MD7’

MD7 MD6 MD5 MD4

xx xx xx’

X X

... 63 62 61 60

67 66 65 64

Commanded by 2 digits)

(

This function is used to execute the M functionat high-speed without the need of the ending

response.

The M code is not output when the M code is

commanded, but the M decode output is set/reset.

Thus, there is no need for the M code decode processing and FIN processing in the programmable controller.

The M code that perform the high-speed M

functionprocessing is preset in the parameter.

(There are both a settingparameter and a resettingparameter.)

When resettingby the parameter, it can be

set to hold or reset the decoding output.

2.7.8.11/0 Channel

(1) For decode output

1224

2.7.8.2 Parameters

(1)

(2) M code settingparameter for settingthe

The M code is set in the parameter corresponding

to the decode output bits.

Parameter.

(a) #6644 ...

MD7 MD6 MD5 MD4 MD3 MD2 MD1 MDO

High-speed M function

#6007D5 ..... 0:

decode output

Up to four M codes can be set in a single

The functionis disabled The functionis enabled

For settingthe M code correspond-

ing to the decode output ‘MDO to

MD31

(3) M code settingparameter for resettingthe

decode output

Sets the followingparameters, the same as in the settingparameter of (2).

(a) #6646 ...

# 1224

For settingthe M code correspond-ing to the-decode output ‘MDO-to

Mb3’

# 6646

(b) #6647 . . .

(Example of setting)

#6644 ... #6645

(4) Decode output hold/resetsettingparameter

(upon reset)

(a) Sets whether to hold or reset the decode

output upon reset.

#6135 DO to D7

For settingthe M code correspond-ing to the–decode output ‘MD4 to

MD7’

MD7 MD6 MD5 MD4

i I I

xx~xx

lxx

73 72 71 70

... 77 76 75 74

Xxlxxlxxlxxl

(Commanded by 2 digits)

(Commanded by2 digits)

(b) When the decode output is to be held, the

numerals corresponding to each bit are added

to the total.

#61

35 MD7 MD6 MD5 MD4 MD3 MD2 MD1

(Examp]e of setting)

reset,

and

128 64 32 16 8 4 2 1

Value of each bit when the decode output is to be held

M61 .,.

{

M71 ... M64 ...

{

M74 ...

jM67 ,..

lM77 ...

When the decode output is to be kept upon

set the parameters as follows.

#6644 00006100 #6645 67000064

#6646 00007100 #6647 77000074

The value of each bit corresponding to MD4

MD7 are added to #6135.

The resultis output to #1224,

MDO

Set MD1 output Reset MD1 output

Set MD4 output Reset MD4 output

Set MD7 output Reset MD7 output

M code settingfor setting

M code settingfor resetting

16 + 128 = 144

2.7.8.4 Example of High-speed M Function Processing

The followingare simpleexamples of the

high-speed M functions.

(1) Sets the parameter (for setting,resetting).

#6644 #6645

#6646 #6647

(2) 01;

M60; M61; M62 ; M63; M64; M65; M67; M30;

(3) 02;

M70; M71; M72; M73;

M74; M75; M76; M77; M30;

63 62 61 60 67 66 65 64

73 72 71 70 77 76 75 74

The leftprogram is executed. The bitscorresponding to #1224 DO to D7 are set. M60 to M67 do not wait for FIN. If an M code is to be held, set the total of each bit corresponding to #6135. The value to be held is set in #1224 at the end of the program.

The leftprogram is executed. The bits corresponding to #1224 DO to D7 are reset. The M codes M70 to M71 do not wait for FIN .

‘M code settingfor

setting

M code settingfor resetting

144 is set in #6135.

#1224 is 1001000 upon reset.

2.7.8.3Notes

(1) Do not set the following

the originalM code.

. MOO, MO1, M02, M30

When these M codes are set, the originalM

code functionsare lost;the high-speed M code

has the priority.

● M90 to M99

When these M codes are set, the M code

functionshave the priority.

Check that the above M codes are not found

when settingthe M code.

(2) If an other process is waiting to be completed

in the same block, itwaits for the first process to be completed.

(3) Do not command two or more M codes in the

same block. * If executed, alarm occurs.

h! codes when setting

2.8 PREPARATORYFUNCTIONS (G-FUNCTION)

2.8.1 LISTOFG CODES

Address G, plus up to 3 digitsspecifythe meaning of the block. Table 2.8.1 gives G codes and theirgroups.

(1) G codes are broadly classifiedintothe

followingtwo types.

Meaning

Modal G-code

Non-modal

G-code

(2)

G codes in groups from 01 through 11 are modal. the power switch,

~ in Table 2.8.1 are automaticallyselected.

G codes of * group in the Table 2.8.1 are

(3)

non-modal.

together with the other G codes in one

block .

G-code effective until the other

G-code of the same group is commanded. G-code effective only

block.

When the controlis energized with

the G codes marked with

They should not be commanded

inthe commanded

2,8.1

LIST OF G CODES (Cent’d)

(4)

The modal G codes can be commanded mixedly in a block.

G codes in Class B are basic, and those in

(5)

Class O are options. The use of optional G codes is determined by the machine tool design. manual.

(6)

Standard G codes can be coverted to spe-

cialG codes I by parameters. basic feature, is set to 1, standard G codes are converted to specialG code I.

(7)

When the specialG code IIoption is incor– porated in the control,the settingof parameter #6005D7 to 1 willconvert G codes to specialG codes II. to O willreconvert the G codes to the standard G codes.

POSITIONING (G 00, G 06)

2.8.2

2.8.2.1 Positioning (G00)

GOO X( U)... Z(W) ... ;

(1)

This command moves a toolat rapid traverse rate to the point (X, Z) in the coordinate system set by the G50 command or moves it away by (U, W ) from the present point for each axis independently.

See the machine toolbuilder’s

This is a

and, when parameter #6005D7

Settingthe parameter

(4)

GOO is a modal G code in the 01 group. When itis commanded, itremains effective untilother G codes in the 01 group are commanded.

(5)

For the positioningwith GOO, the pulse dis-

tributionis startedonly after the ERROR

DETECT stateis turned on, and the program

advances to the next block only upon the activationof the ERROR DETECT stateafter the completionof the pulse distribution.

When thisG code is used, therefore,the

workpiece edges are machined true, and rounding is avoided.

Notes:

(6)

The ERROR DETECT ON statemeans the

decrease of the servo lag pulses to the permissiblelevelafterthe pulse distribution for move command,

When T code is commanded, GOO should be

put in the T-code block. COO is required

for designation of tooltraverse rate for

tooloffsetmotion using T code.

EXAMPLE

G50 X150. z1OO. ;

cOO TO1O1 S1OOO M03 ; .0.

... GOO for designationof traverse

rate for tooloffsetmotion

(2)

For the rapid traverse rate, as itdepends upon the machine, refer to the machine tool builder’smanual.

EXAMPLE

X-Axis: Z-Axis:

Along the axes specifiedby GOO, the ma-

(3)

chine slide moves in rapid traverse rates,

independently”ofeach other. The resultant

toollocus may not be a straightline,and when working out the program, care

be taken to avoid foulingbetween the tool

and the workpiece.

12 m/min

6 mlmin

—

must

(GOO) X30. 25. ;

... GOO can be omitted

in positioning.

cl),.~”

/’”

Table 2.8 List of G Codes

B: Basic O: Optional

G Code

G 00

‘=a —

-* ,!!!ifn::fli’’oning

G20 1 G 20 G 70 I Inch input specification

G21 G21 G71 G 22 G 23 G 23 G 23 G27

G 28 G 28 G 29

G30 G30 G30

G31 G31 G31 Skip function

—

G 32 G33 G33 G34 G34 G34 Variable lead threadcutting

G35

G36 G38 I G%

G 37 G37 G 37 Stored stroke limit 2nd area OFF

G39 G 39

G40 G41 G41 ~ G41 ! G42 G 42 G43 I G43

: -1

G44

Special Special ~

G Code I G Code II ! Group

GIXI

G 22

G 27 G27

G 29 G29

G35

Go” Positioning (rapid traverse feed) B

G 22 Radius programmingfor circular interpolationCW o

;2~

G351* ~ Tool set error compensation

G38 G36 ~

G 39

G40

G44 G44 ,

G 40

G42 1 C6 G43 Tool radius compensation No, 3

-–T

Function Section

Linear interpolation, angle programmingfor linear interpolation Circular interpolation CW, (radius R designation) Circular interpolation CCW, (radius R designation)

Metric input specification

“l

Radius Programmingfor circular interpolation CCW Reference point return check

I Automatic return to reference point

Return from reference point Retunrn to 2nd reference point

Threadcutting, continuous threadcutting, multi-start threadcutting

I Stored stroke limit 2nd area ON

Stored stroke limit 3rd area ON

Stored stroke limit 3rd area OFF

! Tool radius compensation cancel o

Tool radius com~nsation No. 1 Tool radius compensation No. 2

I Tool radius compensation No. 4 0

B, O B, O

~ B,O

‘!

o o

B B

B o o

] ’00

0 o– 0

~ shows the G codes selectedwhen the control

ispowered or reset.

Notes:

1. The followingG codes for initialstatewhen power isappliedcan be setby parameters.

Parameter

$6005 De $6005 DI 46005 Do

Group

G code

GOOor GOl

04 I G980r G99

03 I G900r G91

When the controlisreset,whether G code of 01 group should be GOO or kept as the

currentone can be setby parameter#6005D6.

Radius programming forcircularinterpolation can be made by G02 and G03 insteadof G22

G23, respectively.

Corneringcan be programmed by GO1 instead of Gll and G12.

Initialstatesof G codes of 05, 07, 08 groups when power isapplied

Refer to 2.8.7 Cornering.

are determinedby

theirrespectivesettingdata (#6001Do, D] , D2).

2.8.2.1 Positioning (GOO)(Cont’d)

B: Basic

Table 2.8 List of GCodes (Cent’d) O: Optional

~ ~de I Special

G 50 G92 G92

G51 G51 G51 Return of current display value to origin o G65 G65 G65

G66 G66 G66

G 67 G67 G 67

G6B G66 G6B

G 69 G69 G 69 G70 I G70 I G72 I

G71 I G71 I G 73 I

G72 I G72

G75 I G75 I G77 I G76 I G76 G90 I G77 I G20 I I Turningcycle A G 92 G78 G21 01 G94 G 79 G 24 Facing cycle B

G96 ~ G96

G 97 G 97 G 97

G96

G99

G 122 G 122 G122 Tool registration start

G 123 G123 G 123 Tool registrationend Gill G 111 G 111 Taper multiple baveling/rounding o G112 G112 G112

GCode I GCcde

F r

G94 G94

G 95

G80 G90

G91 G91 Incremental ccmmand B

Special 1

G 74

G 78

G 95

Group Function

Coordinatesystemsetup

1 Meximumspindlerevolutionsetup,workcoordinatesystemsetup o

User macro simple call User macro modal call

User macro modal call cancel o

Mimer image by programmingON o

Mirrof image by programmingOFF o

I Finishingcycle

I Stock removal in turning

I I I

I Stock removal in facing

* = ‘U’’ip’ere

I Automatic threadcutting cycle I

Threading cycle

Constant surface speed control

Constant surface speed control cancel Feed cer minute (mm/min)

Feed per revolution (mm/rev) Absolute command

11 Tool life control

I I

Arc multiple beveling/rounding

Section

o o

10 10

o 0 0 0 0

B B

o o

B B

o o

~ shows the G codes selectedwhen the control

ispowered or reset.

Notes:

1. The followingG codes forinitialstatewhen power isappliedcan be setby parameters.

Group ]

01 GOOor GOl 04

G code

G980r G99 G900r G91

Parameter

#6005Di5

#6005

#6005 Do

When the controlisreset,whether G code of 01 group shouldbe GOO or kept as the

currentone can be setby parameter#fIO05D6.

Radius programming for circularinterpolation can be made by G02 and G03 insteadof G22 G23, respectively.

4. Corneringcan be programmed by GO1 instead of Gll and G12.

Initialstatesof G codesof 05, 07, 08 groups

when power is appliedare determinedby theirrespectivesettingdata (#6001DcI, D1 , D2).

Refer to 2.8.7Cornering.

2.8.2.2 Error Detect off Positioning (G06)

G06 x(u)””” z(w)””” ;

(1)

With thiscommand the positioningprocess

isidenticalto that of GOO except for the

followingaspects.

G06 is a non-modal G code in the * group.

Itis effectiveonly in the programmed block.

EXAMPLE

GOO X.. . Z.. . ;

G06 x.. . z.. . ; —

x.. . z.. . ; — Move by GOO

With the positioningof G06, the positioning

mdse distributionis immediatelystarted

L ,

on the completionof the pulse distribution

Move by

for the preceding block, aftermaking an

ERROR DETECT check, and the program

advances to the next block afterthe completion of the pulse distributionprocess. For thisreason, wrokpiece edges are rounded to the extent of servo lag pulses.

G06

EXAMPLE

G50 X1OO. z60. ;

GOO T0202 s600 M03 ;

x35. Z5. ;

Executed by

“~---- lineari.ter-

(2)1

x60. FO.2 ;

polationGO1.

Note:

The ERROR DETECT ON /OFF signals

(SMZ) are effectiveonly for cutting feeds, and -

have no influenceon the motion under COO and

G06.

LINEAR INTERPOLATION (G01)+

2.8.3 GO1 X( U)... Z(W)” O” F(E).”. ;

A toolis moved to the point (X, Z) on a straight lineat the traverse rate designated by the F or E code in the coordinatesystem set by G50 moved away by (U, W ) from the present point.

F or E code must be s~ecifiedin the block containingthe GO1 or in {he previous block. If not, itcauses a format error. Feedrate desig-

nated by the F or E code is the tangentialfeedrate.

POSITION PROGRAMMED

PRESENT TOOL POSITION

(

Angle programming for linearinterpolation

With the controlequipped with thisoption, linearinterpolationcan be commanded at specifiedangles.

GO1 X(U) O”” A“”. F(E)”sc ; (a)

GO1 Z(W).”” A“. . F(E) .0” ;

(b)

With these commands, a linearinterpolation willbe executed by specifyingangle A in the + directionof the Z-axis and distance eitherin X- or Z-axis direction. The feedrate in the tangentialdirectionis specified by the F or E code. The range of angle specifiablewith address A is as follows.

Programmable Range of Angle A

Metric Input

Inch input

O– *360.000°

2.8, 3 LINEAR INTERPOLATION (GO1) t (Cent’d)

Table 2.10

Sign

A+

A–

EXAMPLE

GO1 X50. A+150.

GO1 ZO. A-180. ;

Angle counterclock- , wise from + Z-axis. !

Angle clcckwise from

+ Z-axis.

u/2

!rR

START POINT

Table 2.9

A+

Meaning

‘%

A-

A+

-P3

FO.3 ;

START POINT

Meaning

Circular interpolation,

G 02

clockwise

Circular interpolation,

G 03

counterclockwise

-z

——

End point of arc on X-axis

x(u)

(Diameter value)

End point of arc on

z (w)

Z-axis Distance fromstart point of

arc to arc center on X-axis

(Radius value) Distance fromstart point of

arc to arc-center on Z-axis

END POINT

CENTER

+~ END POINT

CENTER

~ --- 2

‘.. -

G 02

G03

START POINT

-rZ

I .2

2.8.4 CIRCULAR INTERPOLATION (G 02, G 03)

. G02(G03) X( U).., Z(W) ... I’.” K“” F(E) ”.;

A toolis moved on the circulararc whose center is away from the present positionby (I, K) . The end point of the arc is (X, Z) in the coor-

dinate system set by G50 or away from the

present positionby (U, W) A toolmoves along a circulararc at the tra-

verse rate specifiedby the F or E code.

. The meanings of G02, G03 and each address

are shown below.

Fig. 2.9

Circular interpolationof an arc on multiquadrant can be programmed in a singleblock.

EXAMPLE

DIA

Table 2.11

The above case can be programmed as follows.

GO1 Z-. . F.. . ;

G02 x60.

s The feedratecommanded by the F code is a

tangentialfeedrate.

Notes:

The directionof the arc of G02 for Clockwise

1. is defined as follows.

“When viewing the X, Z plane in -Y direction

in the right-hand coordinatesystem, the tool

moves clockwisefrom the beginning point of the arc.“ Therefore, the directionof rotationin the plate (-X~Z plane) in the figurebelow is presented inversely.

- fizz . Jz–&-

= –19.596+ –19.60mm

z-46.6 120. K-19.6 F.. . ;

-x G02

Note that ifthe end point is designated in the

shaded area, the alarm is not displayed and the toolwillcontinue to move endlessly.

The end point coordinateshould be precisely commanded when the circularinterpolationis

appliedto the toolnose radius compensation, or the tool may not move properly. Generally,it is recommendable to calculateup to the next

digitof leastinput increment and count frac-

tionsover 1/2 as one and disregard the rest.

When the controlis provided with Radius

Programming for CircularInterpolation,ra-

dius value can be commanded by G02, GC13 insteadof G22, G23.

EXAMPLE

G03 X80.O Z1500 I-10.O K-3000 F150 ;

END

POINT

40.00

20.00

G03 U40.O W-40. O 1-10.0 K-30.O F150 ;

40.00

G03

CENTER___

– 30.00

1500 55.00

END POINT

–40.00

START

POINT

– 10.00

L-.____+z

When the end point of arc is not designated

on the circumference specifiedby the radius, the alarm is not displayed and the toolpath is as follows. point of arc,

The mark o indicatesthe end

0---

ARC

CEt4TER

o--

-0

20.00

1500

5 DWELL (G04)

2.8

(1)

G04 U(P) . .. ;

This command interruptsfeed for the length of time designated by the address U or P.

(2)

Dwell is programmed as an independent

block.

The maximum length of time which can be

(3)

designated with address U or P is as follows.

Dwell time: I O.001 to 9999.99 seconds

Dwell time is not influencedby input/output

increment.

5>00

2, 8.5 DWELL (G 04) (Cent’d)

EXAMPLE :

G04 U3.5 ... G04 P3500 o“o

3.5-second dwell

The offsetvalues for which no

programmed are not changed.

EXAMPLE

G1O P16 X32.5 wO.05 ;

address is

Notes:

GOLIis

2. The counting of dwell time is started from the instantthe controlenters the ERROR DETECT ON state upon completionof the move command block before G04. Therefore, with G04 UO ;, the control advances to the next block immediately after detecting the ERROR DETECT ON state.

EXAMPLE

GO1 W-1. F25 ;

G04 UO.2 ; GO1 W-1, ; With the above program, chip cutting feed

is obtained.

a non-modal G code.

— 1 mm feed

— O.2 second dwell time — 1 mm feed

I 02DWELL

1mm

i-l

—.—

0.05 mm is added to

Z-axis value

Contents of tooloffsetNo. 16 is changed

(2)

The above format is used to make offset

tapes,

value OffsetM-emery at once. The tape format is as follows.

Label

GIO P... X.. . Z.. . R.. . ;

X-axis value is set to 32.5 m

and to store the values in

—————

—

I GIO P... X... Z... R... ;

I G1OP,., X... Z... R... ;

2.8.7 CORNERING (G11,G 12)t (1) Beveling (Gil)

2.8.6 TOOL OFFSET VALUE (G 10)+

With G 10 command,

set and corrected.

(1) G1O P-.. X(U)””- Z(W)” C” R“”. ;

With this command, tool offsetvalues are set or corrected in part programs.

P For specifying tool offset No.

x Forchanging the tool offset value to the

specified value.

For adding the specified value to the original

w tool offset values.

I Forchanging the tool radius to the specified

value.

tooloffsetvalues can be

Meaning

Gll

This command removes the sharp corner of workpiece. Addresses X and Z cannot be

specifiedsimultaneouslyin a block.

Meaning of each address is shown below.

X(U)... K.. . Z(W) ... I...

{

F(E) ... ;

}

Beveling for X-axis

Beveling for Z-axis

Gll X(U),.. K... F(E),.. ;

K– K+

END POIN1

45”

7?!7

STAfi POINT

(DIAME

TER)

K i

Bevellng Value

Bevellng O[rectfon

Beveling values (K and I) are limitedwithin the followingvalues.

Gll Z(W)... 1... F(E)... ;

END POINT

I–

45”

T-

(2) Rounding (G12)

Bevellng Dlrecton

START POINT

Bevellng Value

(Rad!us Value)

lKl<lU/21

> III<IWI

The command exceeding the above value causes format error.

GOO X30. 20 ;

Fig. 2.10

This command performs the rounding corner.

Addresses X and Z cannot be spec-

of the

ifiedsimultaneouslyin a block. The corner is formed as a quarter-round.

Meaning of

each address is shown below.

2. 8.7

CORNERING (Gil, G12)

t (Cent’d)

Table 2.14

Roundingfor X axis

G12 X(U),,, K... F(E),.. ;

:~p,

K ~ ~~~

STARTPOINT

Roundingvalue

Rouqd[ngd{recllon

;&T

‘L

Rounding values (K and I) are limitedwithin Notes:

the follo~ingvalues.

G 11 and G 12 are modal G codes in the A group.

They remain effectiveuntilother G codes in

\Kl<l U/21 , III<IwI

The command exceeding the above value causes format error.

COO X20. ZO ;

the group A are commanded.

G 11 and G 12 are for one axis only. Ifthey are commanded for both axes in the same

block, they constitutea format error.

EXAMPLE G12 X.. . W.. . K.. . ;

Roundingfor Z axis

G12 Z(W)... K.,. F(E).., ;

Round!ngvalue

Roundingdlrecllon

Error “050”

In the G 10 or G 12 modes, no block without

I and K nor block in which I and K are O

can be commanded.

If such a block is com– manded, correcttool movement can not be assured.

25.

Tool radius compensation functionfis effec-

4. tiveto the blocks containingG 11 or G 12.

I ‘-

70 DIA

20 D14

..\

In the finishform commands G70 through G73

5. of the specialcanned cycle t,blocks contain– ing Gll or G12 can be commanded.

GO1 code can be used instead of G 11 to speci-

6. fy identicalbeveling.

GO1

X( U)... K.. .

z(w) ... 1’..

GO1 code can be used insteadof G12 to speci-

fy rounding.

However, in thiscase, R must

F(E), .. :

be used instead of I and K.

Gol jX(U) ... R.. .

Z(W) ... R.. .

F(E) ... ;

2.8.8 lNCH/METRIC DESIGNATION BY G CODE

(G20, G 21)’

Unit of measurement (metricor inch) of input data is selectivelyspecifiedby the followingG codes.

G code I Input Unit

G*O \ Inch input

(321 I Metricinput

The tooloffsetvalues are processed differently in the G20 mode and the G21 mode. G 20/G21 must be commanded aftermodifying the tooloffsetvalues.

Stored

Offset

Values

15000 1.5000 in. 15.000mm

2.8.9 RADIUS PROGRAMMING FOR CIRCULAR iNTERPOLATION (G 22,

Processing in G 20 Processing in G 21

(Inch) (Metric)

G 23)+

These G codes are programmed at the leading end of a block of itsown. are commanded, the unitsof allthe following motions are changed.

Subsequent part programs

Tooloffsetvalues

Part of settingsand parameters

Part of manual movements

Displays

Notes: 1, When G20 or G21 is commanded, the setting

of inch/metric selectionis changed. There–

fore,the stateof G2CI/G 21 at the time of

power applicationdepends on the setting

by parameter #6001Do.

EXAMPLE

ER CR

01234 ; G20 ;

Ifthese G codes

Inch input designation

L---d

When G 20/G21 selectionis commanded in the

program, take the followingprocedure beforehand.

Cancel work coordinatesystem (G50T ), if

used.

b.Cancel toolpositionoffset,and toolradius

compensation (G41 - G44) .

In programming circularinterpolation(G 02, G03) , the control requires the data of the arc-center coordinates. the addresses I and K.

(1) In programming of G22 or G23, the control

automaticallycalculatesthe arc center coor-

dinates (I,K) from the radius value designated by the address R and performs circular

interpolation.

G22

(G23)

A toolmoves along the circulararc whose center is radius R away from the present position.

dinates (X, Z) set by G 50 or is away from the present positionby (U, W) . Tool moves along the circulararc at feedratedesignated

by F code.

(2) The meanings of G22, G23 and each address

are shown below.

(3) Designation of radius value R

Radius value R is commanded by incremental

value with a sign of radius programming.

In this case, When radius value R > 0, an arc, describing lessthan 180°, and when R < 0, an arc describing more than 180° are specified.

G 23

Normally, they are given by using

X( U)... Z(W) . .. R.. . F(E) ... ;

)

The end point of arc is at coor-

Table 2.15

Meaning

Circular interpolationby radius for

CVV

Circular interpolationby radiusfor

Ccw

+.x

c)’”

Take the followingprocedure afterthe com-

3. mand of G20/G21 selection.

a.Program absolute zero point for allaxes

before move command (G50).

b.In principle,

tionwhen current positiondisplay (exter– nal) is used.

make the display reset opera-

The X-coordinate of the end of the

x(u)

arc (Diameter value)

The Z-coordinate of the end of the

(w)

arc Distance from the start point of an

to arc center

(Incremental value with sign)

t .x END POINT

I x“ R J m’

POINT

+-----+2

2.8, 9 RADIUS PROGRAMMING FOR CIRCULAR

INTERPOLATION (G22, G23) t (Cent’d) )

—

END

.---,

– R“’,

START POINT

--+R

G 02

POINT

?8LY OR

02 , BELOW

~- --

Fig. 2.11

Therefore,

ter does not exist which causes data error

(alarms “031,” “034”).

~ < (Distancebetween startpointand end point)

Tool nose radius compensation is effective

4. for the block containingG22 or G23.

The block containing G22 or 23 can be designated in finishingshape commands of specialcanned cycles (G70 to G73) .

When the controlis provided with radius pro-

gramming option, circularinterpolationby radius (R) programming can be made by G02, G03 instead of G22, G23.

in the followingcase, the arc cen-

EXAMPLE

GO1 X40. Z-10. F20 ;

G02 (X40. ) z-52.5 R30. (F20) ;

Notes:

1. G22 and G23 codes are modal. They are kept untilother G code of 01 group iscommanded.

2. In the G22 or G23 mode, the block in which R is not contained or R is designated as zero

should not be commanded. Radius cannot be

designated by I and K.

When R is varied with both startand end

points fixed, the toolwillmove along the followingcirculararc.

END POINT ,Z’

—-

ARC CENTER

END POINT

R. ,-.

START POINT

CENTER

Fig. 2.12

—-

2.8.10

(1) G27 X( U)... Z(W). O. ;

(2)

Notes:

REFERENCE POINT CHECK (G 27)

With thiscommand, the toolis positionedto the absolutecoordinatepoint (X, Z ) or incremental coordinatepoint (U, W ) by moving along the two axes simultaneously,and then, the positionis checked for conformance with the reference point. For the axis for which no command is given, positioningand check– ing are not executed.

-—-—- >

START POINT

Ifthe positionisthe reference point, the return–to–referencelamp lights. The posi-

tionis the reference point in allthe axial directionsspecified,the automaticoperation is continued further. the reference point even along one axis, thisconstitutesthe return–position-error, and the automatic operationis interrupted.

(Cycle startlamp goes off.)

The referencepoint is an fixedpoint on the

1. machine toolto which the tool can return by

the motion under the controlof the automatic

reference point return or G28 automatic reference point return function. ‘rAutomatic Reference PointReturn .t’

If G27 is commanded in the toolpositionoffset mode, the toolreturns to the position displacedfrom the reference point by the tooloffsetvalue. Positioningcannot be made at the reference point.

G27, cancelthe tooloffsetmode.

Fig. 2.13

REFERENCE POINT

If the positionis not

See 6.2.1,

Before commanding

EXAMPLE

a. Canceling tooloffsetin the block pre-

ceding G27.

Tt1000;

G27 U.. . W.. . ;

b. Canceling in the block containingG27.

G27 U.. . W.. . TDUOO ;

“EEDM:!:ER

SPEED REDUCTION LIMIT SW

APPROACH SPEED 1

REFERENCE POINT

Fig. 2.15

3. The mirror image functionis effectivewith the motion commanded by G27. To avoid the return positionerror, command G 27 in the G69 mode (opposite toolpost mirror image off).

AUTOMATIC RETURN TO REFERENCE POINT

2.8.11

(G28)

(1)

G28 X( U)... Z(W) ... ;

With this command, the toolcan be brought

back to the reference point automatically

after passing through an interimpoint. In other words, the toolpositionsto the commanded absolutecoordinateposition(X , Z) or incrementalposition(U, W ) by moving simultaneouslyalong the two axes, and then

automaticallyreturns to the reference point by the reference point return function. The specifiedpoint (X, Z) or (U, W) is

known as “INTERIM POSITIONING POINT ,“

or IIINTERIM POINT .“

R~~~~ENcE

INTERIM POSITIONING POINT

POINT

Thereafter, the RETURN TO REFERENCE POINT motion is in rapid traverse as under the command of GOO.

RAPID TRAVERSE

Fig. 2.16

(4) However,

when low traverse speed is specifiedby parameter #6010D 5 set to 1, the same law motion speed as in the 1sttime is obtained.

Notes :

For parameter settingand other detailsof

1. the low traverse speed return motion shown in Fig. 2.8.11.2, refer to 5.2.1 Manual Return to Reference Point.

The startingpoint for RETURN TO REFERENCE POINT motion must be in the area shown in Fig. 2.8.11.4. Fig. 2.8.11.3 can

be started from any position.

Fig. 2.14

The tooldoes not move along the axis for which instructionisomitted.

(2)

When the return to reference motion is com– pleted, Reference Point Return lamp for the returned axis lights.

When the toolreturns

to the reference point in both axes, the

automatic operation is resumed.

(3)

The seriesof RETURN TO REFERENCE motions are as follows. With initialpower

application,the return motions to the reference point are as shown below in the low-speed mode as shown below.

RETURN DIRECTION

Before writing G28 in the program, cancel

AXIS

the toolpositionoffsetas shown below .

a. Canceling in the preceding block

TUUOO ;

G28 X.. . Z... ;

b. Canceling in the block containg G28

G28 X.. . Z.. . TO EIOO ;

When G 28 is writtenwith the toolposition

offsetor tool radius compensation on, the

offsetor compensation is automaticallycan-

celled.

2.& 12 RETURN FROM REFERENCE POINT (G 29)

(1) With this function, the toolis positionedto

a specifiedpoint via the interimpoint, after

ithas been once returned to the reference

zero point by the AUTOMATIC RETURN TO REFERENCE ZERO COMMAND (G28) .

G28 X.. . Z... ;

Point A+B+C

(referencezero point)

Point B

G29 x.. . z.. . ;

Point C+B+D

Point D

C (REFERENCE ZERO POINT)

-o-

Fig. 2.17

(2) When G.29is used,

tance between points B and C is unnecessary

in programming, Especiallywhen incremen-

talinstructionsare used, this functionis usefulto return the toolto the originalco-

ordinatesystem afterreturning to the

reference zero.

considerationon the dis-

Notes:

Commanding G29 without the execution of

1. G28 afterturning on the controlconstitutes an error

11059.II

2, In principle,canceltooloffsetbefore pro-

gramming G28 or G 29. If they are programmed while offsetis effective,the interim point B willbe offset,and the toolwillpass point B‘.

(REFERENCE ZERO POINT)

1’

/“

0--” /

d“

A’

-..

3. Commanding G29 in the TOOL RADIUS COM-

PENSATION mode (G40 - G44) or in CANNED CYCLES (G70 - G76, G90, G92 and G94) constitutesan error.

EXAMPLE

N50 T0300 ; N51 G28 u80. w20. ;

N52 T0400 ;

N53 G29 u-80. w40, ;

OFFSET DISTANCE

B (INTERIM pOINT)

(3) Motions C + B and B + D are made simul-

taneously along the two axes in rapid trav-

erse. However, the toolwillnot move in

the directionfor which instructionisomitted

(4) Where G28 is programmed severaltimes,

the point B created by the latestG28 instructioniseffectivefor the motion by G29.

EXAMPLE (absoluteinput) Coordinates of interim point is equivalentto

these two blocks.

N20 G28 X1O. Z20, ;—-(1% :0.)

N25 G28 x30. ;— (30.

20.)

IGOO x-40. z-50. ; I

c (REFERENCE

ZERO POINT)

/’

,/’

=~’fL

‘/

t .x

lD—

h-hi-+

2.8.132ND REFERENCEPOINT RETURN (G30)+

(1) G30 X( U),.. ~(w).. ;

With thiscommand, the toolfirstmoves to

an interimpositioningpoint (X, Z) or (U, W ) in two axialdirectionssimultaneously, and then, moves to the 2nd reference point.

The tool does not move along the axis for which no coordinate positionis specified.

-z

-Q-

2ND REFERENCE

POINT

a.b,When the next block is programmed in incre-

mental values: The toolmoves incrementallyin accordance

with the next block from the point where

the interpolationis interrupted.

EXAMPLE

POINT

INTERIM POINT

Fig. 2.18

(2) The 2nd reference point is specifiedin

advance in terms of the distance from the

1st reference point commanded by G28, by

parameters #6612 and #6613.

EXAMPLE

G30 U-40. W30 ;

r-~<--~~E:R

TO 2ND REFERENCE

POINT

PARAMETER 16613

Notes:

Before commanding G 30, afterthe energiza-

1. tionof the control,G28 or MANUAL RETURN TO REFERENCE POINT must be executed.

2. For the 2nd REFERENCE POINT RETURN motion, there is no area from where returning is impossible,

and the toolcan be return

from any position. The same notes 3, and 4. of (5) for 2.8.11

3. Automatic Return to Reference Point apply

to G30 command.

When G 29 is commanded afterG 30, the tool moves via the interimpoint specifiedby G 30

to the positionspecifiedby G 29. However, the interimpoint is renewed only in the axis specifiedby G30.

2.8.14

(1)

SKIP FUNCTION (G 31)+

G31 x(u) ... z(w) ... (F(E) ...) ;

With this command, a speciallinearinterpolationis executed. During the interpolationmovement under thisinstruction,the toolinterruptsthe interpolationmotion

immediately, and proceeds to the next block, when a skip signal is received.

The motion after the receiptof a skip signal

(2)

varies with the instructionof the next block.

POINT

G31 W120. ; GO1 U1OO. ;

w’

I I

L_._-z

ACTUAL MOTION

SKIP SIGNAL ON

COMMAND

When the next block is programmed in absolutevalues only for one-ax; s:

The toolmoves to the specifiedcoordinate positionin the specifiedaxis. It remains

at the positionwhere the skip signalis re– ceived, ifaxis is not specified.

EXAMPLE G31 Z400. ;

GO1 X1OO. ;

I 0—)-.-+

l-----+ /=4

SKIP SIGNAL ON

c. When the next block is programmed in abso-

lutevalues along two axes :

The toolmoves to the commanded position from the point at which a skip signalis received.

EXAMPLE

G31 W1OO. ; GO1 X300. Z200. ;

200.

---

‘\ 300 DIA

100.

Ll&7

SKIP SIGNAL ON

2.8.

r!-71FE

14 SKIP FUNCTION (G31) t (Cent’d)

G31 is a

(3)

When no skip signalis received during the executionof the block containingG31, the toolstops at the end of the block, and alarm

“087” is displayed.

(4)

The feedratefor blocks containing G31 are set in the followingtwo methods, selectively specifiedby parameter #6019D4.

Designationby F in the same way as with

normal programs.

Presettingof feedratesby parameter #6232.

When a skip signalis received, the coordinate

(5)

values at that moment are automaticallystored as parameter data.

These data can be used as system variables in user macros.

Notes:

When parameter #6004D0 is set to 1, the pro-

1. gram is advanced to the next block automati-

callyeven when no skip signal.is received during the execution of the block of G31.

Before programming G 31, be sure to program G40 for canceling TOOL RADIUS COMPENSATION . Failureto do this initiates alarm “024,“

Commanding G 31 with skip signalON advances

the program to the next block without executing the current block.

non-modal G code.

#6568 for storing X coordinatevalue #6569 for storing Z coordinatevalue

Table 2.16

Format

Metric

Input Metric output

Inch

Input

Metric

Input Inch output

Inch

Input

F code is for normal thread cutting.

E code is for precise thread cutting.

(3) The directionof lead specifiedby F and E

codes is shown below.

Limitationof Taper Angle

‘Ly. I ::: I ‘-

F 32

E34

—

F 24

E26

F32 I FO.01–F1270.00 mm

E24 I EO.0003-E1270.00C0mm

Direction of Lead

Programmable Range

for Threadcutting

F0.01-F 500.00 mm

E0.0001 -E 500.0000 mm

F0,000I –F19.6850 in.

E0.000004-E 19.685000 in.

Direction of Lead

Lead in the direction of z-~is

Lead in the direction of X-axis

2.8.15

CUTTING (G32)

This functionis for cutting straightthreads, taper threads, scrollsand for continuous thread-

ing.

(1) G32 X( U)... Z(W) ... F(E) ... ;

THREAD CUTTING, CONTINUOUS THREAD

With thiscommand, the toolcuts threads up

to the point (X, Z ) specifiedin absolute coordinatesor (U, W) specifiedin incremental coordinatevalues, at a lead designated by F or E code.

(2) The range of leads to be specifiedby F and

E codes is as follows.

p/2

)R-$===l+.+-J-+Z

<*, STARTPOIN,

Fig. 2.19

Feedrates are limitedby spindle-speed S as

follows.

The upper limitof X-axis speed component is

halfthe above.

(4) Command format of threadcuttingis shown

below.

Table 2.17

Straight Thread

Ty@

1 I

Command format

GOO X13. ; G32 x38. W-35. F4.O ; GOO x60. ;

W35. ;

X-n. ; G32 x36. w-35. ; GOO x60. ;

“d F=+=++

EXAMPLE :

@ GOO u-42. ;

@ G32 w-68. F5.O ;

StraightThread

GOO U42. ;

w 68. ;

u-44. ;

G32 w-68. ;

GOO U44. ;

(5) Continuous thread cutting

~ G32 X( U)O. O Z(W)”” O F(E),.. ;

@ (GE’)

@ (G32) X( U)... Z(w)... ;

This command executes thread cutting.

x(u).”. z(w).. :

I I

EXAMPLE : Taper Thread

(a) Pipe Joint

T-1

—— -- ---- -—-

(b) Worm Screw

2.8.15THREAD CUTTING, CONTINUOUS

THREAD CUTTING (G32) (Cent’d)

Since the stop time between thread cutting blocks is approximately zero, smooth, continuous thread cuttingis possible. If thread lead specificationischanged midway, the thread becomes irregularnear the boundary of blocks.

Notes:

Allowances 61 and 62 are required for thread

1. cutting because lead error occurs near the startingand end points.

Equation

~1 >~o~(ln~ –1)

L.S

[Y~>—

60. K

Table 2.18

L(mm):

S(r/min):

a (–):

Meanings

Lead of thread Spindle speed

Constant (Normal value: 30) Accuracy of thread

_AL. .. Lead emor

—

In:

Natural logarithm (log e)

-x

-----—--

If spindlespeed is not constant during thread cutting,the leads become incorrectdue to the servo lag.

Threading up for thread is not effectiveat

G32. commanded.

The followingoperation’is disregarded during thread cuttingincludingG 32

, Feedrate Override o“o Regai-ded as 100% . Feed Hold Operation . Single Block Operation

The G 32 command should not be commanded

in G98 mode, In Dry Run mode, the toolmoves at Jog feed-

rate.

Allowance forleaderror(61, 6 2)

(6)

—

Ifnecessary, G92 (or G76t) should be

I I

a 1150 1/100

(In ~ – 1) 2.91

EXAMPLE

Lead of thread L = 3.0 mm

Spindle speed Thread cutting a = 1/100

‘(In+- 1)

6’> 60.K

_3. ox 500

—

60. K

62>=

60.K -

2.8.16

With this function, multi-startthreads containing two or more threads per lead can be machined without shiftingthe startingpoint. cutting,the toolfeed is startedin phase with a start point pulse (1 pulse/revolution)generated by a pulse generator installedon the spindleto controlthe startingpoint of thread always at the same positionaround the workpiece circumference.

aftercutting a thread by controllingthe starting point by the startingpoint pulse, another thread is cut by startingthe cutting feed at an angular positionof the spindlewhich is displacedfrom the startingpulse positionby a preset angle.

MULTI -START THREAD CUTTING (G 32)+

With the multi-startthread cutting function,

1/150 1/200 1/250 1/300

3.61

4.01 4.29

S = 500r/rein

x 3.61 =3. Omm

_ 3.0X500 =083mm

60.K “

4.52 4.70

In thread

+“””

Fig.2.20

61 and 62 are obtained approximateely from the followingequation.

LEAD

Two-Starl Thread

Fig. 2.21

G32 X( U)... Z(W) ... F(E) ... B.. . ;

(1)

2. The angular positionfrom the startingpulse can be specifiedin both forward and reverse directionsby BO - B 360.commands.

When B command is made to specifyangles

outsidethe permissiblerange (O - 360.000), alarm IT0621!is displayed.

If multi-startthread cutting B is specified,continuous thread cutting cannot be executed.

EXAMPLE G32 W.. .

G32 W“””

B90

Continuous thread cutting cannot be performed because of feedhold at thisblock.

With this command, the toolcutsa thread

startingat an angular positionwhich is displacedfrom the positioncorresponding to the startingpulse by an angle specified by B, to X(U) or Z(W) point, at a lead specifiedby F or E code.

The data specifiedby address B in the

(2)

multi–startthread cutting functionis

as follows. Least input increment: O.001 deg. Programmable range: O S B S 360.000 When decimal point input is used, B 1.=ldeg.

The B code is non-modal, and is effective

only in the programmed block.

Number of startsand B code

(3)

In principle,the thread startingpointson the-workpiece circumference

the circumference into equal

2-START THREAD STARTING POINT

3-START THREAD

STARTING POINT

sh=uld divide portions.

4-START THREAD STARTING POINT

EXAMPLE :

Two-start Thread GOO U.. . ; G32 WC. . F... ; GOO U.. . ; w.. . ; u.. . ;

G32 W.. . ;

GOO U.. . ; G32 W.. . B180. GOO U.. . ;

w.. . ;

u“”” ; G32 W.. . B180.

~ Threading of part @

;

1ST THREAD NO B 1 ST THREAD NO B

2ND THRkAD B180

COMMAND

2ND THREAD B120 3RD THREAD B 240

COMMAND

Fig. 2.22

1 ST THREAO NO B

2N0 THREAO B90 3 RD THREAO B 180 4 TH THREAD B270

COMMAND

Notes:

1. Since the angular positiondetectionpulses (4096 pulsesJrev.) generated from the spin-

dle pulse generator is used to define the angular positionof the spindle with respect to the startingpoint as controlledby the B command, the leastdetectableincrement is

360°/4096pulses “~0.08790/pulse,

From the positioncommanded by B codes, an error up to 31 pulse may occur.

2.8.17VARIABLE LEAD THREAD CUTTING1

G74 X( U).., Z(W) ... K.. . F(E) ... ;

(1)

With thiscommand, variablelead screws are controlledwith the increaseor decrease of lead per revolutionspecifiedby address K .

VARIABLE LEAD SCREW

2.23 Variable Lead Threadcutting

Fig.

(3)

Confirmationcalculationfor K command of

variablelead thread cutting.

K command is restrictedin the following

conditions.

(i)

Feedrate at end point must not exceed

programmable range. 500 mm/rev (metricoutput) or 50 in rev (inch output)

Feedrate at end point must not be minus

(ii)

value.

(iii)

Accumulated value of movement due to

lead variationmust not exceed 4194.303

mm (metricoutput) or 419.4303in (inch

output).

(iv)

Feedrate change corresponding to lead variationmust-not exce-ed5,400 mm /rein

(metricoutput) or 540 in/mm (inch output

The range of K programmable for variable

(2)

lead screws is as follows.

Least input increment:

0.0001 mm/rev.

0.000001

hdrev.

(MetricInput) (Inch Input)

Programmable range: The highest feedrateis within the maximum

programmable feedraterange (

500 mm/rev

(metric)or 50 in/r@v. (inch))

The totaldisplacementresulting from changes

in lead is within the following.

4194.303mm (metricoutput)

419.4303in.

Feedrate change corresponding to lead

(inch output)

variationmust not exceed 5,400 mm /rein

(metricoutput) or 540 irdmm (inch output).

Lead value should not be minus value.

Notes:

When variablelead threads arecut by continuous block programs, command pulses are interrupted at block junctions.

If K commands exceed the permissiblerange,

2. alarm I!06CI11willbe displayed.

When G 34 command is executed in the Dry Run mode, the tool moves only at the speed specifiedby the manual continuous feedrate command, ifparameter SGRDRN (#6019 BIT5) is set to 1.

When parameter

(!1oIN1((#6006D5) is set to

1, leastincrement for K commands is 0.001

mm/rev or O.0001 in./rev.

Commanding address B in G34 block causes

alarm “060.“

b. The controlchecks the restrictiondescribed

above using the followingequation.

Fixed lead command (mm/rev or ird rev)

Variable lead command (mm/rev or in./rev)

Distance between startand end points

on Z-axis (mm or inch). For facing screw, distanceis specified as U on X-axis.

Spindlenumber (rev/rein)

Spindlenumber formovement betweenstart

and end points(rev)

(i)

Equation F+:+

-(F +;) + (F +;)2 +20 K-W

for limitin a. (i) KN 5 51)1).000”mm/rev or

50.0000in/rev

Equation

(ii)

(F+

Equation for limitin a. (iii)

(iii)

for limitin a. (ii)

$)2 +2 KW>0

Jj_KN2 ~ 41940303 mm or

419,4303in

Equation for limitin a. (iv)

(iv)

. K.N < 5,400 mm/min or 540 in/rein

2.8.18 STORED STROKE LIMIT (G 36-G 39)+

(3)

Setting 3rd prohibited area

This functionis for preventing the entry of the toolintothe prohibitedarea,in both automatic

operation mode and manual operation mode, to secure saferoperation. Three types of pro-

hibitedareas can be set up as shown below.

1ST PROHIBITED AREA (BY PARAMETER) OUTSIDE PROHIBITION

2ND PROHIBITED AREA

G36)

(BY

/ /

INSIDE OR OUTSIDE PROHIBITION

--l

INSIDE OR OUTSIDE PROHIBITION

Fig. 2.25

(1)

Setting 1st prohibited area

Set + side boundary A and - side boundary

3RDPROHIBITED

AREA (BY G 38)

B by parameter. The area outside the

range between points A

B is prohibited. This area can not be

specifiedby part

programs.

(2)

Setting 2nd prohibited area Set + side boundary C and - side boundary

D by the settingfunction.

Selectivelydesignatethe insideor the out-

side of the area between points C and E by parameter #6007D0.

In addition to the method by the setting

function, the followinginstructioncan be used to set a prohibitedarea, and to turn

on the area check functionalso.

Set up + side boundary point E and - side boundary point F by the settingfunction.

Selectivelydesignate the insideor the outsideof the area between points E and F by parameter #6007D1.

#6C07 DI

In additionto the method by the setting

Meaning

Inside prohibition

Outside prohibition

function, the followinginst~uctioncan ye used to set a prohibitedarea, and to turn

on the area check functionalso.

G38 U.. . W.. . 1... K.. . ;

-r--+ Point E

coordinate

Point F

coordinate

The area check functionis turned off by a single code block G 39 ; .

Table 2.19 Parameters and Settings for

SettingProhibitedArea

axis Z axis Division

Ist Prohibited Area

2nd Prohibited Area

3rd Prohibited Area

Point A

Point B #6606 I #6607 Point C Point D ##6502 Point E Point F

#6600

#6500

#6504

#6506

#6601

#6501 I/6s03 #6505

#6507 I

(4) Coordinate system for area setting

The above Points A through G are allset in

absolutevalues on the machine coordinate system (MACHINE) . That is, the position is written as the distance from the (lst) reference point (1 = leastoutput (move) in– crement) .

Therefore, this functionwillnot become effectiveunless the manual or automatic RETURN TO REFERENCE ZERO is ex– ecuted once afterthe energizationof the control.

(5) Effective-ineffectiveselectionof prohibited

area

Parameter

Setthg

G36 U., . W.. . 1... K.. . ;

coordinate coordinate

The area check functionis turned off by a single code block G 37 ;.

With the followingsetting,the 2nd and the

3rd prohibitedareas are selectivelymade

effectiveand ineffective.

2.8.18 STORED STROKE LIMIT (G36-G39) ~ (Cent’d) EXAMPLE

1ST PROHIBITED AREA

A (2000, 1OCO))

3rd Prohibitedarea check OFF

~:=~

When G36 through G39 are commanded, settingdata are automaticallyrewritten. There~ore, the ON or OFF stateultimately

specifiedby G code commands or setting functionbecomes effective.

The 1st prohibited area is always in the CHECK ON mode.

(6)

Startingarea check

When the toolisreturned to the reference point once manually or automaticallyafter the energizationof the control,the area check functionis startedimmediately. Therefore, ifthe reference point is in the prohibitedarea, immediately,STROKE LIMIT ERROR willbe caused. In thiscase, turn offthe area check function, and change the data.

(7)

Stored stroke limiterror

When the tool enters the prohibitedarea, itstops justinsidethe boundary line,and the controlenters STORED STROKE LIMIT ERROR state. In thiscase, the toolcan only be moved manually in the return direc–

tion.

(8)

Displaying remaining distance

With thisfunction,the distance between the

current toolpositionand the boundary of the prohibitedarea in the X and Z directions are displayedon the CRT. Refer to 4.3.4.6.

“Stored Stroke Limit.“

these

2ND PROHIBITED AREA (NISIDE)

C (.5000, -8000)

—

2.8.19

(G40 THROUGH G44)

B = D(.11000,-10000)

Inside/Outside

Second Area

Third Area

First Area

TOOL NOSE RADIUS COMPENSATION

REFERENcE

POINT

3RD PROHIBITED AREA (INSIDE)

Table 2.20

Parameter/

Setting

I #6500 I #6501

I #6506 I -6600

\ #6506 I -7000 \ #6s07

I fl%oo

/ / /

~<_. WORKPIECE

Contents

– %00 – 6000

– 9000

2000

CENTER

I #6601 : 1O(.KI

#6606

–11OOQ

)

Notes:

The pointson the boundary line in both axes are included in the prohibited area.

Two prohibitedareas can be set with partial overlapping,

3. In the MACHINE LOCK ON mode, AREA CHECK function is not effective.

Because of a nose radius of lathetools,there

a deviationbetween the desired curve and the actualcurve produced.

Therefore, tool offsets

are not enough for taper and circularcuttings.

tool nose radius compensation option resolves

The the problem of nose radius.

See Fig. 2.26.

–-L \ \

TOOL NOSE

2.26

Fig.

Tool nose radius values

(1)

Radius value storage Tool nose radius value must be writtenin the

storage before the toolnose radius compen-

sationis commanded. can be writtenin the storage depends upon the machine.

T 3-digit: T 4-digit: 16 or 50 sets

Refer to 2.6.2,“

9 sets

Tool Offset Memory+ .“

Number of patis that

CENTER

(2)

T code designation

The T code for toolnose radius compensation must be programmed with sign (+ or –).

T f ❑ ❑ ❑ ❑ (In the case of T 4-digit)

T_l__T

~ Offsetnumber for toolposition

offsetand toolnose radius

compensation

~ Tool number

~ Directionof toolnose radius

compensation

11+!1 ,..

l!_ll . . .

, -B a-

~+z

Right side viewed in the direction of tooltravel

Left side viewed in the direction of tooltravel

“T+“

Fig. 2.28

“T –“

Range of toolnose radius values

Radius value can be set within the following range.

ALL ROUND

INSERT

Fig. 2.27

o k9.9999

VIRTUAL TIP NOSE

Metric Inch

o *99.999

Settingof toolnose radius values

Radius value of toolnose must be set without signs.

G).

For the writingof radius values for tool nose radius compensation, refer to Fig.

4.3.5 Displaying and Writing Tool Offset

Data,

‘---

The address character is R.

When a toolis used for turning and for facing, as the directionof toolmotion changes, the correct directionof compensation should be programmed with sign of T code.

-x

The directionof compensation is changed

from + to - or - to + during program execution. G 40 or TO ❑ 00 command should not

be necessarilyprogrammed to cancel the

toolnose radius compensation.

(3)

G code designation (G40 to G44)

G code of toolnose radius compensation

(G41 to G44)

One of G41, G42, should be programmed before the execution of toolnose radius compensation.

four G codes specify the relationshipbetween the virtualtoolnose and the tool center.

RIGHT SIDE

COMPENSATION (T J- ‘

LEFT SIE)F COMPENSATION (T –)

Fig. 2.29

G43 and G44 and T code

These

2.8.19 TOOL NOSE RADIUS COMPENSATION

THROUGH G 44) (Cent’d)

(G 40

G41

G42 \

Fig. 2.30

Regardless of the mode of toolnose radius compensation, the current positionof the virtualtoolnose is displayed by depressing the POS pushbutton.

b. Issue G40 to cancel the toolnose radius com-

pensation.

c. Cautions in programming G code

(i) Since G40 to G44 are modal G codes of

06 group, they are retained untilthe

other G code is commanded. Before

switchingone of G41, G42, G43 and G44 to another, G 40 must be intermediatedto

cancelthe compensation.

G 42

\ /

G41

❑

v +’

G 40

// \\

G 43

(ii)

When the power supply is turned on, G40 is in effect,

(iii)When the RESET button is depressed, G

code of 06 group are cancelled and G40 becomes effective.

G 44

Fig. 2.31

(i)

When the compensation is cancelled,the programmed contour meets with the path of virtualtooltip ( @ and O) .

In compensation mode, the toolcenter

(ii)

path is deviated by radius from the pro-

grammed contour. of virtualtool nose does not meet with programmed contour. But the current positiondisplayed by depressing POS

ke is the positionof virtualtooltip

(

bto @).

The connection between two blocks in

(iii)

compensation mode is provided by the intersectionof tool center paths (M97) and by the circulararc (M96). In the above diagram, blocks 3 and 4 are connected by a circulararc.

Block @ for compensation startand

(iv)

block @ for compensation cancel per-

form the connection of compensation

mode and compensation cancelmode.

Program should be made carefullyfor

these blocks.

Relationshipbetween toolnose radius com-

pensation and toolpositionoffset

Tool nose radius compensation apply to the programmed contour which has been

offsetby the toolpositionoffsetfunction.

How to enter compensation mode

(5)

Therefore, the path

(4) Tool motion on the toolnose radius compen-

sation

a. Fig. 2.31 shows the outlineof the tool

motion.

Compensation mode is set when both the tool offsetnumber by T code and G41 (or G42 through G44) are instructed. When this mode is set, toolnose radius compensation is started. More precisely,compensation mode isentered when the AND conditionbetween T code and G code isestablished. the order in which these codes are specified does not affectthe operation.

Hence,

(a)

(b) (c)

Compensation Mode

+ TO1O1 ; ~ SG41; g

b. At the

is offsetonto the normal of the originof the block G41 to G44 which entered the compen-

sationmode firstor of the block immediately after T code. rightof tooladvancing directionwhen T + is specifiedand to the leftwhen T- is specified.

Sample Program (A) :

start of compensation, the toolcenter

(a)

@ GOO T+O1O1 ; sation (for GOO)

@ GOO G41 X30. Z5. @ GO1 z-18. FO.25 ;

Compensation Mode

G41 ; TO1O1 ; ~ _ .

The offsetis made to the

~ G41 TO1O1 ;

Movement at Start of Compen -

[

;-l

G 01

CENTER

DIA

50.

7+-

l-n

If the block of G41 (or G42 through G44)

satisfyingthe compensation mode condition

does not have the move command, the compensation starts and the tool center is moved

on the normal. Since G41 (or G42 through G44) involves such a movement, itis necessary to specify GOO or GO1 in th lastor current block for the G code of 01 group. Specificationof a G code other than GOO, GO1, and Gll will resultin alarm “026.“

.“

/“

--G 00

+x f-

t 1

(b) ~ GOO T+0202 ; ~ GO1 G41 X20. Z7. F600 ;-----l

@ G02 U30. W-15. 115 FO.2 ;

Movement at Start of Compensation

(forGO1)

EXAMPLE (B) : has no move command.

(c)

@ GOO T+0303 ; @ GO1 G41 F... ;

GO1 X... z--- F... ;

(d)

@ GOO T-0404 ; @ GO1 G44 F... ;

@ G03 X... Z... 1... F... ;

G41 (or.G42 through G44)

(;41

MOVEMENT AT

3 COMPENSATION

START BY 2 COMMAND

MOVEMENT AT COMPENSATION START BY COMMAND 2

CENTER

G 44

2.8, 19 TOOL NOSE RADIUS COMPENSATION (G40 THROUGH G 44)+

Note that the toolcenter is offsetonto the normal to the startpoint of the block imme–

diatelyafterG41 (or G42 through G44) or T code, for each of above examples (a) through (b). block or the block followingT code has no move command, one block ahead is read and the compensation startoperationis performed on that block.

fied,up to two blocks may be programmed consecutively. However, ifthree or more blocks have no move command, an error is caused.

Movement in compensation mode

(6)

When the toolnose radius compensation mode is entered by G 41 (or G 42 through G44) com– mand, the tool center keeps moving along the path which has been offsetby the tool nose radius by the program command, until the mode is cancelledby G40 or T ❑ ❑ 00

command.

lated by the control, So, only the cut con–

tour may be specifiedin the part program.

However, the followingshould be considered

for the inter-blockmovements and special

contours:

(Cent’d)

If G41 (or G42 through G44)

With no move command speci-

The path is automaticallycalcu-

M97: IntersectionComputing Mode

Movement of circularpath is included in

the previous block. Normally, M96 is used for thisoperation

However, when there is a possibilityof an “overcut” in cutting specialshapes with the M96, M97 should be used.

Movement in GOO mode

The instructionGOO positionstoolsindependently alonE each axis toward the finaloffset posiiion. path

TOOL MOVEMENT

“Care should be

so that tooldoes not

G 00 OR G 01

taken on the cutter

contactthe work.

Inter-block movement

For an insidecorner (tangent-lineangle

(i)

isless than 180°), the intersectionpoint is computed and is passed. (Intersection point computing formula.

PASSING INTERSECTION POINT

For an outside corner (tangent-lineangie

(ii)

is more than 180°), the movement is con–

trolledby the followingM-code commands: M96 ...

M97 ...

Tool radius compensation

circularpath ON

Tool radius compensation circularpath OFF

(execution of intersection

calculation)

M96: CircularPath Mode

PROGRAMMED COMMAND

Fig. 2.32

Programming mode

(i) E3ecarefulnot to program ,

shaped cutting contour.

(a) Wrong

‘Y.---v-”--” ------ ~~~::ooL N05Eo,

-=::..––-_L\––____ ;

Q-

INTERSECTION IS FAR AWAY

(b) Correct

M 97

considerationin

M 96

T+

~ ------

------

-------

L --- —--

1+ T-

T–

-A

M 97

;

—

-1

G 01

compensation

3 wedge–

CANNOT GET IN

f 2R

THE WEDGE

PROGRAM IS MADE SO

THAT TOOL NOSE OF 2R CAN GET IN THE WENDGE

(ii) program the toolmovement so that the

toolnose of 2R diameter can be in the contour,

(a) Wrong

PROGRAMMED

CONTOUR

e. Use of dummy blocks

If itis impossibleto specify a move command in three or more consecutive blocks and the offseton the normal lineis not satisfactory, a dummy block may be inserted. The dummy block does not cause an actual movement. purpose of providing the data necessary for the toolnose radius computation. For the address of thisdummy command, I and K are used.

X-axis dummy command (incremental).

K : Z -axis dummy command (incremental).

This block is specified for the

(b) Correct

CONTOUR

d. Command involving no movement in compen-

sationmode The controlnormally reads two blocks ahead

during toolradius compensation mode and calculatesthe toolpath. If eitherof these blocks givesno coordinateinstructionssuch

as G04 (dwell), the controlreads a block

further ahead and makes calculations.When coordinate instructionsare missing in three or more blocks, toolradius compensation be-

comes impossibleand accurate toolpath cannot be obtained. Therefore, in a program where G41 to G44 are used ensure that, after them, two or more blocks without movement

command in the compensation plane willnot

follow.

EXAMPLE :

N1 GO1 G41 X“”” Z... F.. . ;

N2 X.”” Z... ;

N5 Z... ;

Three blocks or more

THREE BLOCKS OR

Dummy block

MORE INCLUDING NO MOVE COMMAND

[N6 It.. K.. . ;l—

N 7

MXX

N8 G04 U.. . ; N9 MM

N1O X.”. Z.. . ~

Nll Z“”” ;

GO1 G41 F.. . ;

G04 U.. . ;

M.. . ;

M40 ;

Ifno movement instructionis programmed in three consecutiveblocks, toolcenter is offseton the normal lineat the end point of the block immediate before them.

Compensation is normally made by the two or less

blocks without move command.

Namely, specifyincrementalcommands I and K, which are equivalentto N 10 block command, in N

Remarks: is a circularinterpolation,generate the lineardummy block that specifiesthe direc-

tion of the tangent line at the start point of the circular command.

6 for the dummy block.

If the purpose of the dummy block

2.8.19 TOOL NOSE RADIUS COMPENSATION

(G40 THROUGH G44) (Cent’d)

EXAMPLE :

N1O GO1 Z... F.. . ;

COtdPEtisATION

(T–)

IN1l GO1 1(-a) K(-b) ;

N12 Mxx ; N13 MOO ;

Dummy block

N14 MAA ;

]N15 G02 X.. . Z... 1... K.. . :1

N 16. .0 CENTER

I and K should be signed according to the

‘.

‘.<

Nll DUMMY BLOCK (LINEAR LINE)

~yh : _=

–b

N 10

type of the circulararc.

(M96 CIRCULAR PATH MODE)

RIGHT SIDE COMPENSATION (T+)

+--+P--Z

Modificationof sationmode

Itis invalidto number by T code in compensation mode. The originallyspecifiedtooloffsetnumber remains validuntilthe compensation mode is cancelledby G40 or T

However, the toolnose radius value may be changed by varying the offsetmemory contents corresponding to the originallyspecified tooloffsetnumber, by means of MDI

operation. After thismodification,the new

tooloffsetnumber is made validbeginning with the block newly stored in the prefetch buffer.

tooloffsetvolume in compen-

newly specifya tooloffset

❑0 00 command.

BLOCK NEWLY READ AFTER CHANGE OF TOOL NOSE RADIuS VALUE

By dummy block N 11, the linearcommand block of N 10stops at point A for the following circularmovement.

Switching between T + and T- in compensation

mode This compensation provides the switching

between T + and T- without canceling the compensation by G40 or T

Eltl 00 command.

EXAMPLE :

N5 GOO T+O1O1 ;

Designates righthand side compen-

sationfacing the

N6 G41 X.. . Z... ; proceeding direction N7 GO1 X.. . Z... F.. . ;

x.. . ;

N9 T-O1O1 Z... F600 ;

Changes lefthand side

N1O X.. . F.. - ;

compensation

(7)

How to cancel compensation mode

When G40 or T tl~00 is specified,compensationmode is cancelled,terminatingthe toolnose radius compensation operation.

c o

.%-!

~al

~-a .

Q)o

C& . g.

L---

U G40 ;

TOlOO ;

TO1OO ; G40 ;

---

-T(iioo;

b. Upon terminationof compensation, the tool

center is offsetonto the normal lineto the end point of the finalblock in compensation mode, or the block immediatelybefore

that for which G40 or T

specified. (Consequently, ifa retracting which resultsin acute–anglecontour is

specifiedin G40 or T portionis produced. ) Then, the toolmoves so that the virtual toolnose matches the end point of the move

command specifiedin G40 or T CID00 block.

EXAMPLE A :

(a)

(T+O1O1, G41) G o

.* %

m c“

W ~~ @ G02

~Z @ Gol U200 FO.25 ;

1’

@ GOO G40 XI.1O. z40.

@ TOlOO ;

❑000 has been

❑ ID00 block, no uncut

MOTION ON COMPLETION OF COMPENSATION

(GOO)

A-J

A’”

~--

+’

c. If the block of G40 (Nose radius compen-

sationcancel)does not have the move command, the virtualtoolnose moves to the

specifiedend point.

G40 (and T Do 00) commands contain movement.

Specify GOO or GO1 in the block previous to or the same as G40. other than GOO, GO1, or Gil, alarm ‘1027”willbe activated.

EXAMPLE B : Move command is not included in

G40 block for canceling compensation.

(c)

(T-0303, G41)

If the G code of 01 group is

(b)

(T+0202, G41)

MOTION ON COMPLETION OF COM-

PENSATION (GOO)

GO1 X.. . Z.. . F.. . ;

GO1 u24. FO.3 ;

GO1 G40 x80. Z40. F6. ;

GOO T+0200 ;

~ GO1 X... Z... F... ;

@ GO1 G40 F... ;

GOO T-0300 ;

(d)

(T+0404, G44)

@ G02 X... Z.., K... F.”” ;

@ GO1 G40 F... ;

GOO T+0400 ;

2.8.19

(G40 THROUGH G 44) (Cent’d)

TOOL NOSE RADIUS COMPENSATION

QMOVEMENT AT

COMPENSATION START BY 2 COMMAND

,/’

/’

1’

–i–---––i

Note that, for each of above examples (a) through (b), the toolcenter is temporarily offsetonto the normal lineto the end point of the block immediately before G04 or

❑000 command.

d. When tool nose radius compensation is can-

celledby the use of T toolpositionoffsetcancel operationis performed concurrently with the operation at toolnose radius compensation termination.

The canceloperationprovides the move-

ment in which the virtualtoolnose matches the last specifiedpositionfor which tool positionoffsethas been cancelled. If co-

existenceof these operationsis not desired, cancel eitherof them by the use of G40 command.

CENTER

G 44

❑D 00 command, the

,--

/“ \

+-+3

NO INTERSECTION

--\ ~, /

/“

\,): ,’ , I

NO INTERSECTION

(a)

-r+- ,

TOOL

$.-J&@

(b)

(iii)When reversing command or an angle

closeto reversing command is program– med in M97 (Outside Corner Circular Arc Path Off) mode.

(a) Reversing command

‘\A ‘\A

(b) Command closeto reversing

Notes:

programmed shapes that produce input

errors

(i) When programming an inside arc with tool

compensation,if programmed arc radius R s toolradius d

~_—_

——

-.,

‘-) ~

r<d

(ii) When no intersectionpoint existson the

locus of the offsettoolcenter.

Outsjde compensation IS correctly

made even when r< R

In M96 mode, allof the above shapes are correctlycompensated.

Interferencecheck

b. To prevent the toolfrom cuttingdeeper into the

finishedshape than was programmed in advance.

Interferencecheck error is activatedwhen the differenceof moving directionis 90° to 270° between the programmed virtualtoolnose and compensated too center. When an error is detected,the block prior to the block in which overcuttingmay occur is

immediatelystopped and an alarm is shown.

This functiondoes not always prevent overcutting. There might be occasionswhen overcutting

is not detectedas an error or normal cuttingis

detected as an error.

DIRECTION IS 180” DIFFERENT

N21 GOO TOlOO ;

N25 GOO T-0202 ;

TOOL RADIUS

COMPENSATION TOOL POSITION

OFFSET

TOOL RADIUS COMPENSATION MODE WITH TOOL NO. “02”

CANCEL

G codes usable in compensation mode As a rule G codes other than shown below

should not be used in the compensation mode.

Usable G codes

GOO, GOl, G04, G06, Gll G 96, G 97

Constant surface speed control

G98, G99

Feed function designation

(G90, G 9t)

Absolute/incremental designation

G02,G 03,G12,G22,G23

Command includingcircular arc

G70, G71, G72, G73

. .Multiple repetitive cycle

Gill, GI12

Multiple cornering

(Beveling, rounding)

Remarks

Inhibited in

the block of

compensation cancel or start

d. The subprogram (M98 or M99) may be speci-

fiedin compensation mode.

e. When the tooloffsetnumber is T code com-

mand of “00,” T

❑ 0 00 command has the follow-

ing two meanings: (i) Tool positionoffsetiscancelled. (ii)Tool nose radius compensation is cancelled.

The followingprogram can be specified:

N2 G41 ; N3 GOO T+O1O1 ;

1 N40 GOO T0200 ; N41 G40 ;

f. Inhibitionof MD I mode

(i)

ODeration in the MDI mode cannot be perf&med in the compensation mode. When ,RESET button is depressed, GOO (compensation cancel)becomes effectiveand the operation in the MDI mode becomes possible.

G40 through G44 cannot be writtenby the

(ii)

operationin MDI mode.

Command or operationfor canceling

compensation The followingcommand or operation during

toolradius compensation, cancels the compensation completely or temporarily. The command or operation should not be performed:

Three consecutive blocks

1. without move command

MOO or MO1 command

M–code set by param-

Temporarilyy

cancelled

eter for stopping

advance reading (6 Max)

G commands for stopping advance reading G36,G37, G38, G39

M02, M30 commands

5. Reset operation

Completely

cancelled.

TOOL RADIUS COMPENSATION MODE WITH TOOL

llfJlll

NO.

Turning off power supply

2.8.19TOOL NOSE RADIUS COMPENSATION

(G40 THROUGH G44) (Cent’d)

h. Commands causing error

The followingcommands must not be given, for they cause errors.

G28, G29, G30

G50, G51

G74, G75, G76

G90, G92, G94

G31 - G35

G68, G69

G122, G123

Even in M96 mode (toolnose radius compensation and circulararc path are on) , if circulararc distancesAX, AZ are smaller than the fixed values, the tooldoes not followthe ,cornercirculararc path but moves directlyto point B. The fixedvalues are those which are setby parameter #6230.

_______

‘\

TOOL MOVEMENT

‘\

,----------------------------------

,/’ COMPENSATION CANCEL

90. DIA

BEVELING ‘

3MM

R3 ROUNDING

20.

L-11 O.I- -90 l_70.

20.

I I

(a) Normal Insert

------- ----

DIA,

50.

15.

T*–

30, DIA

20.

‘--YQYQliTiN-$F

OFWET MOTION ,,’ j

START

15. 20.

T+

PROGRAMMED COMMAND

In case of AX/2 S NEGNR

S NEGNER

NEGNR:

EXAMPLE A :

Nl G50 x140. Z20, ;

GOO S1700 M03 T’+132132 ;

N3 (cOO) G41 XO z5. ;

N4 GO1 ZO FO.2 ;

N5 X20, ;

N6 2-20. :

N7 X30. w-15. S11OO ;

N8 G12 w-ZO. 13. :

N9 Gll X50. K-3. S700 ; ‘BEVELING

N1O

GO1x-70,;

Nll

~22X90.Z-90.R20,s360;

N12

GO1 X11O. s300 ;

N13

G04 Uo ;

N14

(GO1)Z-11O.:

N15

X120.;

N 16

GOO X140. 230. T0200 ; ~OMPENSATION

N17

G40 ;

‘DWELL

_TOOL NOSE

—ROi.JNDING

COMPENSATION START BLOCK

Constant value for

parameter setting

CIRCULAR

—ARC BY

RADIUS

NOSE

TOOL

COMPLETE BLOCK

TOOLNOSE

CO~PENSA-

TION

All ROUND INSERT

VIRTUAL TOOL NOSE

(b) All Round Insert (G code to be used

is decided by settingside of virtualtoolnose.)

Fig. 2.33 Relations between G code and Sign of T Code

for Tool Nose Radius Compensation.

2.8.19,1 Automatic Nose R Function

Nose R compensation is performed by the nose R controlpoint (O to 9) command and G41, G42.

The offset side switching from the end face tc

the outer diameter becomes simple.

When the T command is executed, the toolis selectedand the nose R and controlpoint corresponding to the toolis alsoselected.

Then the toolcoordinatesystem based on the

machine coordinatesystem is set.

After the T command is given, the calculation

for nose R compensation is performed by the

controlpoint and G41, G42.

2.8.19.2 Conditions for the Automatic Nose R Compensation Function to be Enabled

Automatic nose R compensation becomes effective by four conditions:the projectedtoolnose point designationset by the offsetnumber, the radius of tool nose R, the offsetside settingby G41 and G42, and the T code command.

The followingare the details.

2.8.19.2.1 Designationof the projected toolnose point

(1) Directionof the projectedtoolnose point

The shiftdirectionof automatic nose R is prescribed by determiningthe projected toolnose point positionby specifyinga numeral of O to 9.

The directionis as shown in Fig. 2.34 (X

plus specification).

2 6 1

588-356

Fig. 2.35 Offset Screen

2.8.19.2.2 How to set the toolnose R data

memory

The toolnose R data memory is set through the offsetscreen (Fig. 2.35).

(a) Select the “ ~~s “ function.

(b) Selectthe corresponding tool offsetmemory

from TO1 to T49,

toolnose R data is “O.8 mm!’.

2.8.19.2.3 G41, G42 command

The offsetdirectionof the current cuttingis commanded by the G41, G42 commands (X plus specification).

Nose R offsetoff

G40:

Forward directionon the leftis center

G41:

of nose R Forward directionon the right is center

G42:

of nose R

3 8 4

Fig. 2.34 Projected Tool Nose Direction

(2) How to set the projected toolnose point

The projectedtool nose point is set through the offsetscreen (Fig, 2,35).

(a) Selectthe “ OFS “ function.

(b) Selectthe corresponding tooloffset memory

from TO1 to T49.

projected toolnose point is 3.

2.8.19.2.4 T code command

The T code number (4 digits)determinesthe

coordinatesystem, wear offset, and toolnose R.

For details,refer to par. 2.6.5 “New coordinate

system setting function.II

Offset number (wear offset)

(tool nose R)

01 to 16/01 to 49

Tool number (tool coordinate memory number)

01 tO 16/01 to 49

2.8.19.3 Offset Calculation of Automatic Nose R Compensation Approach and Relief

The automaticnose R compensation functionhas

been improved from the nose R compensation

functionof the conventionalYASNAC LX3.

(Example) Tool nose point 3

(PARALLEL wlTH

2.8.19.3.1 The GOO + GOO block is not compensated.

In short, positioningalone is

performed.

2.8.19.3.2 Compensation is performed for approach GOO + GO1 (G02, G03) by settinga

projected vector (wall)on the toolto prevent

excess infeed or shock, as follows,

Compensation is performed for reliefGO 1 (G02, G03) + GOO, by settinga projectedvector (wall)to prevent insufficientcut, as follows,

(1)

Approach GOO + GO1 or reliefGO1 + GOO

When the cuttingcommand move axis direction

(a)

is largerthan 45° against the Z-axis

(IX/21 >

IZI ), a projectedvector (wall)

parallelto the Z-axis is assumed, to calculate

the compensation with the cuttingmove axis.

The machine moves toward thiscalculated

position,

When the cuttingcommand move axis direction

(b)

is smallerthan 45° against the Z-axis

IX/21 < = 1ZI ) , a projectedvector (wall)

( parallelto the Z- axis is assumed, to calculatethe compensation with the cutting move axis.

The machine moves toward thiscalculated

position.

‘//’

LARGER

THAN 45°

(PAHALLEL WITH

Z. AX!S)

b; ‘

&/‘

PROJECTED

/’.

‘1

PROJECTED ~/

VECTOR

SMALLER THAN 45-

(2) Approach GOO + G02 (or G03) or reliefG02

(or G03) + GOO

(a) When the circularcutting command move axis

directionis larger than 45° againstthe

Z-axis, a projectedvector (wall)parallelto the Z–axis is assumed, to calculatethe compensation with the cutting move axis.

The machine moves toward thiscalculated

position.

co](C42)

——

.—— —__

GOO(G42)

PROJECTED

VECTOR

(b) When the circularcutting command move axis

directionis smallerthan 45Q against the Zaxis, a vector (wall)parallelto the Z-axis’is assumed, to calculatethe compensation with

LARGER THAN 450

the cuttingmove axis.

The machine moves toward this calculated

position.

PROJECTED VECTOR

PROJECTED

VECTOR

(a)

—-

I i~

SMALLER THAN 45

LARGER THAN 45”

PROJECTED

VECTOR

(a)

(b)

‘\ e

\/-

\c?

\ @

-J

m g

m o + m o

< m $

0 m

2. 8.19.3 Offset Calculation of Automatic Nose R Compensation Approach and Relief (Cent’d)

Table 2.20A Automatic Nose R Approach and Relief Patterns

—

CIRCULAR

45s OR LESS

LINEAR

MORE THAN 45°

C=l

—

2.8.19.4 The G40 GO1 X Z I K

; Command Cancel Function is Also Available in the Automatic Nose R Function

The G40 GOO X Z I K_; command cancel function (menti=ned~at~) , as wellas the same functionby the GO1 command are available.

This makes a projectedwall by the I, K commands in the block before the G 40 GO 1 command, to execute the nose R calculation,

Notes:

The nose R center is on the normal of the

1. end point in the G40 GOO X Z ; block or

G40 single-block.

The nose R completecancel is performed in

—.

the block immediatelybefore the G51 single-

block or G28 block.

The cross point is calculatedin the block

3. immediatelybefore G40 GOO X Z I K ;

and the vector indicatedby “~, ‘K. ‘r —

When GO1 and G41 (G42) are commanded at the same time, the nose R center willbe on the normal of the start point of the next block.

However, in canned cycle, startup can be performed by GO1 G42 of the firstblock, but cannot be performed by repeating the

command later.

G40 GO1 X K

; and G40 GO1 Z I

; are of the sam~com—mand format as th~ ch~mfering command, but the cancel functionhas priorit~ only when the G40 command is given.

2.8.20

(G 50)

PROGRAMMING OF ABSOLUTE ZERO POINT

ABSOLUTE ZERO POINT (O, O)

Fig. 2.34

(2) G50 U... W... ; (IncrementalG50)

When the addresses U and W are specified

insteadof X and Z, the new absolutecoordinateis set up by adding incremental values U (X-axis)and W (Z-axis)to the absolutecoordinatepreviously set.

When the tools are very clifferent in length,

the incrementalG50 (addresses U, W) is useful.

groups.

The tools should be divided intotwo

Then, the differencebetween the length of the reference tooland that of the second group of toolscan be set at the incrementalG 50 command and an absolute coordinate system can be stored.

G50 U1OO. W-1OO. ; 00. Settingof

PositionB

50 COMMAND POSITION

POSITION OF

THE SECOND

GROUP

100.

50.

OF REFERENCE TOOL

(G50X Z ,)

Absolute coordinatesystem should be set before move command. coordinate system,

After setting up the absolute

allmotions can be commanded

on the absolutecoordinatesystem.

(1) G50 X.. . Z.. . ;

This command makes the present positionof tooltipthe absolutecoordinates (X, Z) . The values with a sign followingthe addresses X and Z are the distancesbetween tool tip and the absolute zero point (O, O) to be

Therefore, itcan be said that “G50

set. command specifiesthe absolute zero point.”

Fig.2.35

2.8.20 PROGRAMMING OF ABSOLUTE ZERO POINT (G50) (Cent’d)

Assume that the toolNo. 01 is reference

(3)

tool,and perform the setting of the following coordinatesystem for thistool:

G50 x80. z62. ;

then, selectthe toolNo. 02 which has the toolpositioncompensation value shown in the figurebelow and peroform the compen– sationoperation,

to point”A.

N3 G50 x80. z62.

and the tool No. 02 moves

;

N4 GOO TO1O1 ;

4. When the power supply is turned on, the present positionof toolis set to the coordinate

(o, o).

Therefore, the absolutecoordinate

system should be set up before operation.

5. The current positionof the toolin G 50 coordinatesystem is shown in “POSITION

ABSOLUTE” of current positiondisplay,

The coordinatesystem which was set is not affectedby resetoperation.

The coordinate

system isreset by one of the followingoperations:

(i) The resetoperationby ORG key (see

4.3.4.2,POSITION ABSOLUTE) is performed.

(ii) G50 XO ZO

; command is writtenin MDI

mode and is executed.

(iii)The power is turned on again.

IN1O GOO T0202 ;

G50 COMMANO

POSITION AT TOOI NO 01

IU)L NO 02

~-= 40mm

~’z

Fig. 2.36

If the coordinatesystem settingis performed with the referencetooland toolpositioncompensation is applied to the other toolas shown above, the tool movement may be programmed on a singlecoordinatesystem

for alltoolnoses,

Notes:

When T, S and M commands are programmed

1. in the block followingthat containing G50, GOO should be programmed in the block. This designatesthe traverse rate for tool offset motion.

G50 X.. . Z... ; GOO S500 M03 TO1O1 ;

G 50 is a nonmodal G code which is validonly in the specifiedblock. Generally, the other

G codes, and M, S, and T codes cannot be specifiedin the same block. Note that G50 S.. .

;or G50 T.. . separate feature and is not for coordinate system setting.

; command is a

7. When settingwork coordinatesystem by G50, parameter #6018 D7

can selectwhether Work

Coordinate System Shiftin 2.6.5 willbe ef-

fectiveor not.

2.8.21

MAXIMUM SPINDLE-SPEED SETTING (G 50)+

This functionis used for the controlprovided with S 4–digitdesignationoption.

(1) G50 S.. . ;

Four digitsfollowingthe address S

specifiesthe upper limitof spindlespeed

in rpm.

If an S command exceeding the

limitis issued in subsequent blocks, the

spindle speed is governed at the upper limit.

In G 96 (Constant Surface Speed Control)

(2)

mode, when spindlespeed risesup too fast as the current X-coordinate of the toolis

too small,the spindlespeed

s clipped

the limit. EXAMPLE

G50 S2000 ;

The maximum spindle speed

is clipped at

2000 rein-l.

Notes:

Maximum spindle speed specifiedby G50 can

be displayed on the CRT display.

Refer to

4.3.2.1,“Command DataDisplay.”

2. The specifiedmaximum spindlespeed is not clearedby reset operation.

In case of S 4-digitdesignationB , unit of

3. address S is not shown by rpm. Refer to machine toolbuilder’smanual.

For S Z-digit

designation,thisfunctioncannot be used.

G 50 should be commanded afterthe tooloff-

set and toolradius compensation are cancelled.

2.8.22 WORK COORDINATE MULTI-SHIFT (G 50T, G 51)+

(2) Work coordinatesystem setting(G50T )

This feasureisused in combination with “5.2.3,

Measured Workpiece Value DirectInput”option. Hence itisnecessary forthe programmer to be familiarwith paragraph 5.2.3,

The purpose of thisfeatureis to retain a “work coordinatesystem” with a certain point on the work used as absolute zero point by perform-

ing G 50T coordinate system settingat the replace–

ment positionof each tool. In other words, programming may be performed with a singlecoordinatesystem throughout the entiremachining.

Tool coordinate value memory (number)

(1)

Itis necessary,before specifyingG 50T, to

write the coordinatedata for each toolto the toolcoordinatememory. For the writing procedure, see

pieceValueDirectInput.”

The number of availabletoolcoordinate memory units corresponds to the number of tooloffsetmemory combinations as shown below.

For ease of use,

for toolNo. 01 in tool coordinatememory No. 51, etc., as shown below:

TOOICoordinate Memory

51 52 02

5.2.3,“MeasuredWork-

write the coordinate data

Tool NO

a. G50 TEIEIAA

Specifiestool offsetnumber

(00 to 50)

Using this command, set the coordinate system for each of X-axis and Z-axiswith the followingwork coordinatesystem setting value:

Work coordinate system setting value

Content of programmed tool +

coordinate memory

[

Note : the one which is shown in “POSITION [EXTERNAL] screen of the current positiondisplay (POS) on CRT display.

b. Usually, specify

number specificationfieldAA . EXAMPLE :

G50 T51OO ;

When the above program is specifiedwith

the toolslideat a given position(for examDle, -x, tion~isplay), the work coordinates~stem

defined by the operator is set correctlyas

shown below:

IIUnit current positionvalue” is

Specifiestoolcoordinate memory number (51 to 99)

‘li~=el+

Content of programmed tool offsetmemory

“00” in the tooloffset

u “00” specifiesthe work

coordinatesystem setting

with the contents of tool

offsetmemory being zero.

-z in the unit current posi-

806——————

‘=’

is assumed that the toolcoordinatemem-

ory containsthe followingcoordinatedata Xtn and Ztn for each toolTn:

Ztri Tn

‘ \&~~RAToR*T ~o~~ ~~~su~~D v~LI_I~

RK COORDINATE SYSTEM” SET BY

DIRECT INPUT’’OPERATION

Fig. 2.37

TOOL SLIDE AT THE POSITION INDICATED BY CURRENT POSITION DISPLAY (O O) (SEE NOTE 1)

t .x

T \ /

(< \

WORK COORDINATE SYSTEM

T1 WHEN TOOL SLIOE IS AT A GIVEN POSITION (–~, –:).

[/ ‘

}--r--- --J

2,,

—, x,, 2

‘-’ 2)+X” 2 I :?S%IYS?E

(--z)*zt1

Fig. 2.38

~T,

WHEN TOOL SLIDE IS

jSET WITH

THESE VALUES

2.8.22 WORK COORDINATE MULTI-SHIFT (G 50T, G 51)+

(Cent’d)

G50 TOOOO ;

By this command, the coordinatesystem is set with the unit current positionvalue. This means that the cancelingof the work coordinate system settingis performed with the centent of toolcoordinate memory = “O” and the content of tooloffsetmemory = “0“ by the specificationof TOOOO.

(3)

Return to current positionorigin(G51)

By G51 ; command, toolis returned to the point at rapid traverse rate where the unit current positionvalue is (O, O), on both X-axis and Z-axis.

With a part program that uses work

coordinate system setting,the machining start point is the current positionvalue

(O, O) in principle. Hence, the use of G51 command facilitatesthe return to the start point (O, O) aftercompletionof machining.

G51 command should alwavs be specifiedon

a singleblock basis.

Notes:

G50 T and G51 are nonmodal G codes which

are valid only for the specifiedblocks.

When this function is used, set parameter

#6005D5to O (G50 preset of POS-EXTERNAL

displayis off).

G51 ; command is equivalentto the following two block commands.

Consequently, afterthe execution of this command, the tooloffsetnumber is cancelled together with the work coordinatesystem, settingthe tool offsetnumber to “00.“

When the G 50 T work coordinatesystem set-

ting is performed,

2.6.4,“Work Coordinate

System Shift” is made valid.

The current positionof the toolin the set work coordinate system is shown in the current positionvalue

“POSITION ABSOLUTE. “

It is not shown in POSITION EXTERNAL. The work coordinatesystem set by G 50 T

cannot be cancelledby a reset operation. EXAMPLE A :

(The start point is current positiondisplay (o, o))

N1G5OT51OO ;—

Work coordinatesystem settingfor toolNo. 01.

N2 GOO TO1O1 M03 s1OO ;

Selectionof tool No. 01

(Note 1).

(Machining by toolNo. 01)

N20 GOO X. .. Z. .. ;— ~“~tioning ‘0 a ‘iven N21 G50 T5200 ; — Work coordinatesys-

tem settingfor tool No. 02.

N22 GOO T0202 ; — Selectionof tool

No. 02 (Note 1).

(Machinig by toolNo. 02)

N40 G51 ;—

Return to current position

display (O, O).

Note 1: The toolpositionoffsetin TO lO1

and T0202 commands may be used for the

compensation for tool wear.

When specified

during machining, the toolpositionoffset may alsobe used for the compensation for taper machining.

~ w ~J(,, N) siTE?lR’T’ON

----

T 02]

wORK COORDINATE SYSTEM

MACHINING BY TOOL NO 01, 02 CAN BE PROGRAMMED ON THIS COORDINATE SYSTEM

Notes:

EXAMPLE B :

If the machining which was started by the

followingprogram is interrupted and the program isrestarted without returning the toolto the machining startpoint, the tool correctlymoves to the firstapproach posi– tion.

N1 G50 T51OO ;

N2 GO1O1 ; N3 G96 S150 M03 ;

@ N4 GOO X20. z2.5 ;

PROGRAM STARTED AT THE POSITION OF CURRENT

/~~:~TION DISPLAY (-20 -ZTS)

R MACHINING INTERRUPTION

TO1

T01

480.

40.

-1

()”).P

( /’ ,,,=,0

WORK COORDINATE SYSTEM

A APPROACH POSITION (20, 25)

TOOL COORDINATE MEMORY

51X=80

MACHINING START POSITION ‘:oUFiiENT POSITION DISPLAY

This is because N1 G50 T51OO ; command at point B performs coordinatesystem setting with the followingvalues to retainthe work coordinatesystem, thus keeping approach positionA unchanged:

X = (-20.) + (80.) = 60.

Z = (-27.5)+ (40.) = 12.5

EXAMPLE C :

This example shows a program for which the replacement positionof each toolis different

from each other, and the values for work coordinatesystem setting.

I N28 GOO T02020 M03 s800 ;

(Machining by T02)

N48 G51 ;

~ The coordinatesystem settingvalues

by this command are as follows:

X = (-50.) + 110. = 60. z = (-35.) + 40. = 5.

MACHINING START POSITION = CURRENT POSITION DISPLAY (O, O)

z=5

t’

P-1=

C--J

A-

40.

F- $ ‘

110DIA

47.5

100DIA

35.

T01

–50.J2

Tool Coordinate Memory

No.

ICO,

110.

N1 G50 T51OO ;

N2 GOO TO1O1 M03 s1OOO ;

(Machined by TO1)

N25 G50 TOOOO N26 COO x-50.

z-35. ;

...

Tool replacement position of T 02 is current position display (-50, -35).

47.5

40.

30.DIA

--+

WORK GOORDINATE SYSTEM

2.8.23 MACRO PROGRAMS (G65 AND G67)

‘z

Specialprograms writtenby the machine builder or user by the use of a group of instructionsare registeredin the part program memory.

These programs can be calledby the use of G65 or G66 command to execute them.

These specialprograms are referred to as the macro program body, which can be written and stored in the same format as a subprogram.

2.8.23 MACRO PROGRAMS (G65 AND G67) (Cent’d)

Main Program

—

G65 P9001

(Argument

Designation)

User Macro Body

-09001 ;

)

[Variable 7

Operation Command

Control Command

)

-M99 ;

Main Program

Subprogram

No. ~

1 ~ Simple call 2 ! Modal call 3 I Call by arbitrary G code

: ~ a: ~::::

(1) Simple Call (G65)

G65 P.. , L.. .

The macro program, whose program number was specifiedby p? is calledand is executed L times.

The default value of L is 1. When the designation of an argument to the macro program is desired, specifyitin (argument designation).

tIArgument designation” numbers to the ‘Ilocalvariables”used in the

macro program.

,,ARGUMENT DESIGNATION.”

(2) Modal Call (G66 and G67)

Type of Call

(argument designation) ;

For details, see 2.8.23.2,

Code ~ Remarks

G65 G66 G 67: For cancel. Gxx Mxx 1 Txxxx 4digits max.

is the assignment of real

However, unlike a subprogram, a macro pro-

gram allows:

(1) Use of variables.

(2) Computation between variablesor between

constants.

(3) Use of controlcommands such as a condition-

albranch.

to provide a generalizedprogram that requires

complicated computations and decisions.

program body from the main program makes it possibleto assign the realnumbers to the vari–

ablesin the body.

program to run as a seriesof specificprograms

that provide toolmovements. In thismanual, the macro program body is sometimes referred to as simply, “macro.“

2,8,23,

A macro program body followingfive manners:

These featuresenable the user macro body

The !targumentdesignation:in callinga macro

This enables this macro

1 Macro Program Call Commands

may be calledin the

G66 P.. . L.. .

This command callsthe macro subroutine specified by program number P. mand is executed, the specifiedmacro is run L times.

G67 ;

This command cancelsthe modal callmode.

(3) Macro Call by Arbitary G Code

Gxx (argument designation);

This provides the command with is equivalent to

G65 P...

ten G codes of GO1 through G199 excluding those

designated by NC maker can be set by parameter. The macro program numbers which correspond to

these G codes are as follows:

#6120 . . .

program number 09010.

#61Z1 ,..

program number 09011.

#6129 . . .

program number 09019.

Note: Macro callby arbitraryG code permits only single nesting. was calledfor by using arbitraryG code, M code,

or T code does not permit another macro callby arbitrarycode.

(argument designation) ;. For Gxx,

(argument designation) ;

Each time a move com-

Sets G code which callsthe macro of

Namely, the macro which

(4) Macro Call by M Code

(6) MultipleCall

G.. . X“”. Z“”” MXX;

This command may callmacros. In thiscase, the macro is executed afterthe move command is completed in that block, MF and M codes are not

transmitted. ignated by parameter excluding MOO, MO1, M02, M30, M90 through M99.

#6130 . . .

program number 09001.

#6131 ... Sets M code which callsthe macro of

program number 09002.

#6132 ...

program number 09003.

#6133 ... Sets M code which callsthe macro of

program number 09004.

NOTE THAT THE MACRO CALL BY M CODE DOES NOT PERMIT ARGUMENT DESIGNATION .

When a macro M code is programmed in a macro subroutine that has been calledby an ar– bitrary G code or by a macro M or T code, itwill be processed likea normal M code.

(5) Macro Callby T Code

Allthe T mand.

G“”

With this

ber 09000

in the same block is completed. Transmission of T code and TF signalis not per-

formed. macro callcommand may be specifiedby the following parameter:

Parameter No.

#6134 o ... T code designationis handled as a T code, 1 T.. T code designationis handled as a macro

When a T code is specifiedas a macro call command , the value designated by T “XXXX” (up to decimal 4 digits)becomes the argument of

common variable#149, MENT DESIGNATION OTHER THAN THIS IS NOT PERMITTED . macro subroutine that has been calledby an ar– bitrary G code or by a macro M or T code, itwill be processed likea normal T code.

For Mxx, four M codes may be des-

Sets M code which callsthe macro of

code commands provide a macro callcom-

X. Z.. . Txxxx ;

command, the macro of program num -

is executed afterthe ‘mov-ecommand

Whether a T code is to be used as a

callcommand to callthe macro of program

number 09000.

NOTE THAT THE ARGU-

When a T code is programmed in a

G65 Simple CallAnd G66 Modal Call

As a subprogram is calledfrom another sub-

program, a macro program may be calledfrom

another macro program. Quadruple nesting is permitted for simple calland modal callcombined. Multiplecallis disabledfor the macro

callby arbitrary ~ code, or M code or T code.

b. MultipleCall by G66 Modal Call

In modal call,each time a move command is ex-

ecuted, the designated macro is run. alsovalidfor the move command in the macro calledby multiplecall. tiallyexecuted from the one designated latest.

Sample Program

G66 P9400 ;

GOO X1O. ;

G66 P9500 ;

Goo 220. ;

G67 ;

G67 ; GOO 230. ;

09400 ; GOO X40.

Goo 250. M99 ; 09500 ; GOO x60.

Goo 270. ; M99 ;

The above sample program isexecuted in the

followingorder:

2.8.23.2 Argument Designation

Argument is the realvalue to be assigned to a

variableused in the macro program body. Ar-

gument designation,therefore,is the act of

assigning realvalues to variables. Argument

designationis of type I and type II, which can

be selectedas required.

(1) Argument Designation I Argument may be designated in any address ex-

cept for G, L, N, O, and P. The relationships between the argument designationaddresses and

the variablesare as shown below .

The macros are sequen-

MainProgram

Macro

o @

Macro

This is

2,8.23.2 Argument Designation (Cent’d)

Address of

Argument Designation I

B c D E F

Q R s T u v

x Y z

Variable in

Macro Program Body

#1 #2 #3 #7 #8 #9

#11 #4 #5

::3 #17 #18 #19 #20

#21 #22 #23 #24 #25 #26

For the address in which no argument need be designated, the command may be omitted.

Sample Program

#1 #2

#24

‘f+ f

#2b

G65 P91OO L3 A30 B60 x34.8 z50.2 .

Argument Designation Part

(2) Argument Designation1

A, B , and C arguments and 10 sets of I, J, and

.K arguments may be designated. I, J, and K

must be designated in this order.

The relationships between the argument designationaddress– es and the variablesare as shown below.

Address of

Argument Designation

A B

12 J2 K2 13 J3 KS Iq J4 Kd 15 J5 KS 1~

KG 17

K7 Is

Je KfJ IQ Jg KS 110

JIO

KIO

Variables in

User Macro Body

#1 #2 #3 #4 #5 #6 #7 #8 #9 #lo #11 #12

#13 #14 #15 #16 #17 #18 #19 #20 #21 #22 #23 #24 #25 #26 #27 #28 #z9 #30 #31 #32 #*

The suffixes1 through 10 to 1, J, and K are determined by the order of the designated 1, J,

and K combinations.

For the address in which no argument need

be designated, the command may be omitted.

Sample Program

#5 #6

#7 #9

+++++

G65P9005A. ..c. ..c. ..I...J. .. I...;...K...;

Argument DesignationPart

(3) Positionof Decimal Point in Argument

An argument may generally be designated with a

sign and decimal point.

For the designationwithout decimalpoint, the positionof decimal point is as shown on the next page.

Address in

Argument Designation

A, B

D, H

1,J, K, C I 3(2) I 4(3)

Metric Inch

Input input 3 3

M,S, T

Q R I 3(2) I 4(3)

u, v, w

‘i, z 3 (2) 4 (3)

:-+

\ 3 E’) I

4 (3)

The value shows the positionof decimalpoint as counted from the leastsignificantdigit. The value in parentheses indicatesthe number of digitsthatfollowsdecimalpoint at the time of parameter #6006-D5 = 1.

(4) Considerationsin Argument Designation

a, Argument designationtypes I and IImay used concurrently.

If the same variable has

been

designated twice,the lastone is validated.

b. For both tv~es I and II.addresses 1, J ,

and K should be de’s’ignatedin t-hisorder. T-heother addresses may be designated in any order.

c. In the argument designationpart, negative

sign and decimalpoint may be used regardless

of the address.

(2)

Operation Commands

Arithmeticaloperations(+, -, *, /, “““)

Functionaloperations (SIN, COS, ROUND, ...)

(3)

Control Commands

Branch command (IF < qualification>

GO TO n)

Repeat command (WHILE < qualification>

DO m)” -

Using these commands, a program which requires complicatedoperationsand conditional judgments may be writtenin the general format. Hence, the featureof user macro is to enable the programming of the wide range of NC functions

from a simplemachining cycle which is rather a subprogram to a special,complicatedcanned cycle,

and the storingof these cycles in the machine. Described below are detailsof the commands mentioned above.

2.8.23.4 Variables Instead of directlyassigning a value to an ad-

dress in a macro program body, the address may

be designated by a variable. When thisvariable is calledduring execution,the corresponding value is fetched from the variablearea to provide the address value.

There are three types of variables: local variable,common variable,and system variable. Each is identifiedby a variablenumber.

To the localvariables,realnumbers can be assigned using the argument designationpart of macro callcommand by G65 or G66.

(1) Local Variables (#1 through #33)

d. In G65 and G66 blocks, G65 and G66 should always be specifiedbefore each argument desig– nation.

This holds true with the macro callby

G code.

2,8.23,3

A macro program

Overview of Macro Program Body

body is programmed using the

combinationof the followingcommands.

(1) Variables

a. Local variable (#1 through #33) b. Common variable (#100 through #549)

c. System variable(#1000 through #5104)

A localvariableis the one that is used for each macro locally,

That is, when the localvariable

is used, the variablearea(#1 through #33) is

independently allocatedfor each macro call, Certain values are stored by argument designation,

and the resultsof operationsin macro are

retained.

2.8.23.4 Variables (Cent’d)

Main Program

—

G65 P9201

A.,.B.,.CS*. ;

Argument

Designation

o\~\

Single-levelMacro

09201 ;

G65 P9205

ead/write

Enabled

#l =.., #2.=... #3 z,..

Local variablearea

for single-levelmacro

“ #1, #2, #3

Double-1evelMacro

09205 ;

#l =... #z =...

Local variablearea

for duplicate-levelmacro

Hence, the variables#1, #2, #3, ... of the same macro assume differentvalues each time it is called. Each localvariableis reset for each macro calland is registeredby argument desig-

nation.

“blank.“ Each localvariableis set to “blank”

at the time of power-on and reset operations.

(2] Common Variables (#100 through #149, #500

throuth #549)

A common variable may be shared by allmacros and through allmacros of allnesting levels.That

is, the common variable enables a macro to refer

to the result’sobtained by another macro.

The variable not designated becomes

Common Variable Area

a. #100 through #149: are cleared at the time of power-on and reset operationsand are set to t~ols,they are not clearedby reset operationif parameter #6008Dl is set at 1.

#500 through #549:

are not cleared at the time of powe-on and reset operations.

The common variablesare availableto the

user without restrictions. designated by arguments. Indirectly,however, they can be designated as follows:

~r—————l

These common variables

“blank.” In some con-

These common variables

They cannot be

Argument Designationof #1

(3) System Variables

Singe,JJAo.

Macro

Common variablesare divided into the following

two types depending on clearconditions:

Macro

Tripple-nest Quadruple-

Macro

nest Macro

A system variableis the one whose use is unique

to the system. There are followingtypes of sys-

tem variables:

a. Interfaceinput signals ... #1000 through #1015, #1032T

b. Interfaceoutput signals ... #1100 through #1115, #l132t

Tool offsetamount, toolcoordinatedata.

and toolwear amount ...

#2001 through #2050,

#2051 through #2080, #2081 through #2099, #2101 through #2150, #2151 through #2180, #2181 through #2199, #2201 through #2250

Alarm message display ,,. #3000

e. Clock ...

#3001, #3002

f. Single-block stop and auxiliary-function completionwait control.$. #3003

Feed-hold feedrate-override, and exact-stop

control... #3004

h. RS232C data output ... #3100 (printout

feature).

Modal information...

Positionalinformation,..

#4001 through #4120

#5001 through

#5102

Note:

a. and b, may not be installed.

The interfaceinput and output signalsof

Follow the

specificationsof the machine toolbuilder.

The followingparagraphs describe the de-

tailsof the variablesmentioned above.

a. Interface Input Signals (#1000 Through #1015,

#lo32)t

YASNAC

•1

❑ ❑

•1

UIO

UI1

U12

U13

U14

UI5

U16

U17

U18

U19

—–+

—–-----t ——--+

—–+

—–+ —–---t

—–_-----i

2’0H- ‘110—–’+

211 212

213

214 UI14~

215

E =a

UIll~

UI12~

UI13~

UI15—

i. When one of the system variables,#1000 through #1015, is specifiedto the right-hand side of an operationalexpression, the on/off stateof each of user–macro–dedicated 16-point input signalsis read.

The relationshipsbetween the input signalsand the system variablesare as shown below,

fl1007 #1006 #lC05 #loO4 #1003

UI7

UI6 UI 5 UI 4 UI3

—

41015 #lo14 #lo13 #lo12 #loll

UI15

U 14 I-II13

~15 214

-%*

213

Variable

Value

UI12

2!2

1 I Contact Closed

Contact Open

#1002i#iooi moo

UI2

#lOlO W09 ?!1008

UI10

211

210

Input Signal

UIo

UI1

2’ 2°

U119 ~ UI 18

29 i 28

Each read variableis 1. 0 or O.0 when the associated centact is “closed”or “open” respectively, regardless of the unit system of the machine.

ii. When system variable #1032 is designated, the input signals(UIO through U115) that consist of 16 points (16 bits)are collectivelyread as a decimalpositivevalue.

#1032 = ~5# [1000 + i] * 2i

i =0

Sample Program

#1015 EQ O ] GO TO 100;

IF [

Bit 215 (U115) is read and, if itis IIO,!Ia branch

is made to sequence number N1OO.

#130 = #1032 AND 255

Bits 2° through 27 (UIO through U17) are collectivelyread to be stored in common variable#130 as a decimalpositivevalue.

Note:

System variables#1000 through #1032 cannot be placed to the left–hand side of operational expressions.

2.8.23,4Variables (Cent’d)

b. InterfaceOutput Signals (#1100Through

#1115, #l132)t

When one of system variables#1100 through

#1115 is specifiedto the left-hand side of an operationalexpression, an on or off signalcan be sent to each of the user–macro-dedicated 16–point

output signals. The relationshipsbetween the output signalsand the system variablesare as

shown below:

#llo7 #1106 #llo5

#llo4 #llo3

Uo7 UO 6 Uo5 Uo 4

27 2’5

#1115 #1114 #1113

Uo 15 Uo 14 Uo 13

25 24

2’3 I 2’2

VariableValue

#1112 #1111

U012 Uoll

#llo2 #llol

Uo 2 Uo 1

Uo 3

23 22 2’

#lllo #llo9

Uo 10 UC)9

210

2“

OutputSignal

Contact Closed

#lloo

Uo o

2’3

#1108

UO8

o Contact Open

ii.

When system variable#1132 is specified,the output signals(UOO through U015) that consist of 16 points (16 bits)are collectivelyoutput. At thistime, the decimalpositivevalue substituted in #1132 is output in the form of binary 16–bit value.

#1132 = & #[1100 + i] * 2i

i=()

iii.With system variables#1100 through #1132, the value sent lastis retained. Hence; when one of them is written to the right-hand side of an operationalexpression, itsvalue is read,

iv. Considerations

When any values other than 1,0 or O.0 are sub-

stitutedintoone of the system variables,#1100 through #1115, the values are handled as follows:

“Blank” and any values less than O.5 are assumed to be “O.“ Any values of O.5 and over

and other than “blank-”are assumed to be “1.“

Sample Program

#llo7 = #lo ; (#lo = 1.5)

Uoo

Uol

Uo 2

Uo 3

U04

Uo 5

U06

U07

U08

U09

Uolo

Uoll

U012

U013

U014

The output signal of bit 27 (U07) is outputted

the contact (closed)state.

#1132 = (#1132 AND 240) OR (#8 AND 15)

The output signal of bits 24 through 27 (U04 through U07) are outputted without change and the contents of localvariable #$ are out utted to the output signalsof bits 20 through 2 (UOO

through U03) ,

(Decimal 240 = 11110000 Binary 15 = 00001111)

Tool Offset Amount And Tool Coordinate

Data, Tool Wear Amount

#2001 - #2050, #2051 - #2099, #2151 - #2199, #2101 - #2150, #2201 - #2Z50

i. When one of the system variable#2001 through #2250 is specifiedto the right-hand

side of an operationalexpression, the tooloffset amount, toolcoordinatedata, and toolwear amount can be read.

The relationshipsbetween the tooloffset

ii. numbers and the system variablesare as shown below:

U015

When 1.0 or O.0 are substituted in any of #1100

through #1115, the associatedoutput contactis output in the “closed”or “open”state.

‘“J

X-axis

Z-axis

syS@llVariable

#2001

#2i50

?/2101

#2150

I I

Tool Offset

Memory No.

Press ALM functionkey. The alarm number and message and displayed on

the bottom of CRT screen.

—

ALARM

09100 NO054

Toe} Nose

Radius

““J

X-axis

iii.When one of the above system variablesis

specifiedto the left-handside of an operational

expression, its value can be changed.

Sample Programs

#116 = #2016 ;

The contentsof tooloffsetnumber 16 for X-axis are substitutedfor common variable#116.

#2201

#2250

SYstern Variable

#2051

#2t;99

to 50

Tool Coordinate

Memory No.

r30

USERS MESSAGE

550. MACRO ERROR:

1: :‘ATA%x!!_l

Message displayareaand sample display

When RESET key is pressed afterremoval of the

cause of alarm, the message display and the alarm statecan be cleared.

Sample Program

#3000 = 550 (MACRO ERRoR: DATA OVER-

e. Clock (#300L, #3002)

When system variable#3001 or #3002 for clock

is specified,the clock can be read.

FLOW )

“ALM “

#2081 = #24 ;

The toolwear amount (memory No. 81) of X-axis is erased and the contents of localvariable#24

are set.

d. Alarm Message Display (#3000)

When a conditionto be alarmed occurs in a user macro program, system variable#3000 may be

specifiedto put the machine in the alarm state.

#3000 = n (<alarm message>) ;

using thiscommand, specify the alarm message

(lessthan 32 characters) preceded by a 3-digit alarm number n and enclosed with control-inand control–outsymbols. be three digitsand not be one used by the machine.

ii. When this

or “A/B” is displayedon the bottom of CRT screen regardlessof the mode and function. Itsmessage can be seen by the followingopera-

tion:

#3000 command is executed, “ALM”

The alarm number should

ii. To preset the clock, substitutethe value with thissystem variableput at the left-handside of the expression.

Sample Program

#3001=o; ...

iii.Restrictions

The accuracy of 4294968000 occrus, settingthe clock to “O.‘t

The accuracy of clock 2 is 8 ms. When

429496800 sec has been reached, an overflow

occurs, settingthe clockto “O.”

The clock is preset to value “O.“

clock 1 is 8 ms.

rnsec has been reached, and overflow

When

2,8.23.4Variables (Cent’d)

Sample ProPram

Sample Program

=~z::::

Macro Program

09351 ;

#3002 = O ; WHILE [#3002 LE #1 ] DO1 ; END 1 ; M99 ;

f. Single Block Stop And AuxiliaryFunction Completion Wait Control (#3003)

When the value listedin the followingtableis

substitutedin system variable#3003, the single block switch can be disabled or the next block may be entered without waiting for the checking of the finishsignal(FIN) of the auxiliaryfunc– tion (MST) .

SpecialThreadcutting Cycle (Incremental Command)

o—— ——;oo—–.–-—o —

—

Macro Call

G65P9093u- o.. w-. K.00F0F. .. ;

[[

~ #9: Lead

%: Without sign,

radius value

#23: Negative value

#21: Negative value, diameter

value

When the finishsig~alis not waited for, the distributionend signal(DEN ) is not transmitted. In this case, the FIN is waited for in the block

with the check skip cleared. Hence, when the FIN is not waited for, be carefulnot to specify the next auxiliaryfunction.

Feed-Hold, Feedrate-Override, And Posi-

tioningCompletion Control (#3004)

When the value listedin the followingtable is

substituted in system variable #3004, feed hold, feedrate override, and positioningcompletion can be made valid or invalid.

#3004 Feed Hold

Feedrate

Override Completion

Positioning

Macro Program

09093 ;

M93 ;

#10 = ROUND [#6] *2 ; #11 = ROUND [#21] +#10 ; #12 = ROUND L#23] +#10 ; #3003 = 1 ; GOO U#ll ; #3004 = 7 ;

G22 U-#10 w-#6 F#9 ;

G32 w#12 ;

G32 U#10 w-#6 ;

#3004 = o ;

GOO U-#11 ; GOO w-#23 ;

#3003 = o ;

M92 ; M99 ;

Buffering 4 blocks

Singleblock switch invalidated

Feed hold invalidated Feedrate override invalidated Positioningcompleted

4 5 6 7 Invalid ~

Valid

Invalid

Valid

nva I

Valid Invalid Invalid Invalid i

Invalid Invalid

h. RS232C Data Output (#3100)

When system variable #3100 is specified,messages and NC internaldata can be output to external equipment via RS232C data inputloutput interface. If the external equipment is a printer, the above informationis printed.

Output of Messages

#3100 = (<Message>) When thiscommand is specified,the message

enclosed by control-inand control-outisoutput, via RS232C interface.

Each output message is followedby CR/LF

(Carriage Return /Line Feed) . Hence, when

#3100 = ( ) is specified,only CR /LF is outputted, which is useful in tabulatingthe punched data.

Note:

When the message is output, it should be

enclosed by control–inand control–out.

ii. Output of Data

#3100 = [< variable >]

PrintoutData

TOOL OFFSET 01

UUUUII), OI)OOUUU-10, ()()00 UUWUU13,80000

A maximum of 6 digits(data plus signs) before the decimal point can be output.

Modal Information(#4001 Through #4120)

When one of svstem variables #4001 throueh

#4120 is specifiedj the modal commands that &e specifiedUP to the immediately preceding block

can be known.

These modal commands are sometimes calledthe current values of modal informa– tion commands.

System Variable

#4001

Modal Information

G code (group 01)

When this command is specified,the value of the localvariable,common variable, or system varia-

ble at the right-hand side is output via RS232C

interfaceas plus or minus decimal 9 digits (4 digitsafter the decimal point, 5 digits before the decimal point) data,

Notes:

1. The value is rounded out to the fifthdigit after the decimalpoint. Z. When the value is of 6 digitsor more before the decimalpoint, the asteriskisoutput.

iii.The above output isperformed when system variable#3100 isexecuted in the macro program.

Itis required, therefore,to previously attach

the external equipment such as a printer via

RS 232c interfaceand preset the parameters that use the interface,

Sample Program

#3100=( ); . . .

Carriage return/linefeed

#3100 = (TOOL OFFSET 01);

#3100 = (LJU

#3100 = [#20011; . . . =

XUUUUUUUULJU

z UUUUUUUUUU R);

10.000 mm #3100 = [#2101]; ... =-10.000 mm #3100 = [#2201]: ... = 0.800 mm

#3100 = ( ) ;

# 4021 #4108 #41c9 #4114 #4115 #4119 #412Q

Notes:

M code can not be read out because of non-modal

1. information.

The value of either E ( #4108) or F ( #4109) is specified

just before being stored, giving # 4108 and # 4109 the same value.

ii.

through #4120 cannot be placed to the

#4001

code (group 21 )

E code

F code

Sequence number

Program number

S code T code

left-hand side ~f the operationexp-ression,

Sample Program

Main Program

G65 P960Z <Argument Designation> ;

2.8.23.4Variables (Cent’d)

Macro

Program

09602 ;

#1 = #4001 ;

GOO X...O,;,;

– G codes (GOO through

G03) of 01 group are retained.

GO1 Z...00;0; G03 X.. .O. R.;...; GOO Z.. . ; G#l ; M99 ;

PositionalInformation (#5001 Through #5102)

— G codes of 01 group

are restored.

When system variables#5001 through #5102 are

specified, various positionalinformationcan be obtained. The unitof the informationismillimetersor inches.

Unit

System

Variable

$5061

?#5062

#5081

$5082

F5101

#5102

Note: Reading of #5021, #5022, #5041, #5042, #5101, and #5102, when commanded during movement, will be

performed after completion of the movement. Accordingly, nose radius compensation is not performed.

Mnemonic

Meaning

Positional Information

X-axis skip signal position (ABSKp)

Z-axis skip signal positon (ABSKP)

X-axis tool offset amount

Z-axis tool offset amount

X-axis servo position deflection amount

Z-axis servo position deflection amount

ABSIO

End position of

block immediate y before.

ABSMT ABSOT ABSKP

Command current position (same aa Pos. MACHINE display).

Read During

Move

Enabled

Command current rmsition (same as Pos. ABSOLUTE display).

(Note)

Position at which skip signal did not go on in G31 block.

Coordinate

System

In the macro program body, the “input unit x 10” featureis invalid. Tool

Position

System

Variable

#5001

#5002

+502 1

T15022

#5041

#5042

Positional Information

X-axis block end position (ABSIO)

Z-axis block end position (ABSIO)

X-axis current pcsition (ABSMT)

Z-axis current position (ABSMT)

X-axis current rxxition (ABSOT)

Z-axis current oosition (ABSOT)

Read During

Move

Enabled

Enablw)

Enabl!dote)

Offset Tool

Radius

Compensation Amount

Notes:

1. When the skip signal is not turned on in G 31 block, the skip

2. The “input unit x 10 feature is valid up to the macro call

3. System variables //5001 through #5102 may not be placed to

Work coordinate

system

Not included

signal position is at the end of G 31 block.

blcck (the argument designation part by G 65 or G 66) but is in valid in the user macro WY.

the left-hand side of operational expression.

Machine coordinate system

—

/“’”

/’

Wo$k

coordinate system

Included

Wofk coordinate

system

Included

included

Sample Program

The toolis positionedto the specifiedlocation

(X, Z) on machine coordinatesystem, performs the specifiedM feature,and returns to the start point.

Main Program

Variable

No. # 1 to #33 #loo to #149

#500 to #549

#looo to #lo15

List of Variables

.ocal variables. ;ommon variables (reset to “blank at

)ower-off). >ommonvariables (retainad at power-

)ff) nterface input signals (each signal for

?achbit).

L #24

Macro Program

09603 ;

#1 = #5001 ; #2 = #5002 ;

G91 ;

GOO X [#24-#5021] ; GOO Z [#26-#5022]; M#13 ;

Z#2 ;

GOO

GOO X#l ; M99 ;

~#26

#1032

#lloo to #1115

#1132

#2001 to #205C #2101 to #215C

#2201 to #225C #2051 to #208C

#2151 to #218C #2081 to #209$

#2181 to #219$ #3000 #3001 #3002 #3003

#3004

#3100 #4001 to #412(

#5001 to #500

#5021 to #502

#5041 to #5rJ4

#5061 to #506

#5081 to #508

#5101 to #510

nterface input signal S #[1000+

nterface output signals (each signal for ?achbit).

nterface output signal S #[1100+

rOOioffset amount X-axis, Z-axis, nose radius)

rool coordinate data X-axis, Z-axis)

rOOiwear amount

X-axis, Z-axis) Alarm message display. Wck 1 (In units of 1ms). Clock 2 (in units of 1s). Single block stop, auxiliary function

complete wait control. Feed-hold, feedrate-override, and

exact-stop control. RS232 C data output (printout feature). Current value of modal information

command.

End pcsition of the immediate

preceding block (for each axis).

Current position of machine coordinate

system (for each axis).

Current position of POS. UNIVERSAL

(for each axis).

Position at which G 31 skip signal is

turned on (for each axis).

Effective tool position offset amount (X-axis, Z-axis).

Servo position deflection amount (for each axis).

(

,=~

(

i] * 2 i

2.8.23.4Variables (Cent’d)

Variable Representation

(4)

Each variable is represented in a variablenumber that follows#.

How to designate a number directly:

#i(i=l ,2,3, 4,0..)

&Z!22E&

How to designate an expression as a variable

number:

# [<expression>]

Sample

In the followingdescription,variable#imay be replaced with variable#[<expression >].

#lo #130 #2000

# [#loo] # E#500 +

~#2012-J

S2!2.F&

(i) When #1 = 45.2346

x#l ...

(ii) When #2 = 0.255

F#2 ...

(iii)When #3 = 5.37672

G04 P#3 ...

(iv) When #4 = 2.7236

M#4 ... M03

G#4. ..Go3

4. Value for each address should not exceed

the maximum programmable value.

5. The value that followsan address may be

replaced with <expression>.

6. The constant without decimalpoint enclosed

in brackets [

point at itsend.-

(6) Undefined Variable

= X45. 235 mm (formetric input)

= FO.26 (mm/rev)

= G04 P5.377 (see)

1 isassumed to have a decimal

(5) Variable Reference

a. The value that followsan address may be

replaced by a variable.

When < address> #ior <address> -#iis specified, the value of the variableor itsnegative value

(complement, more exactly) is made the specified

value of the address.

Sample #30= l.o;

The above specificationis equivalentto the specificationbelow.

GO1 x1OO.

Notes:

Address 1, 0, and N may not refer to varia-

bles.

Sample

2. A variablenumber may not be replaced with

a variable.

#lol = 100. ;

#lo3 = 300. ; #140 = o. 3 ;

G#30 X#l Ol Z-#102 F#140 ;

Z-300. FO.3 ;

/#8, N#100 ... Error.

The value of an undefined

be ‘Iblank.“ An undefined

followingsituations:

The localvariablefor which argument desig-

nation was not performed in macro callcommand.

Common variables #100 through #149 at the

time of power-on and reset operations.

c. The localvariablesand common variables for which the values were not written from MDI

panel.

Designation and functionof <blank> is classified

in the followingtwo versions A and B. The

controlis set versions A to changed.

For eitherversion. Switching from B and from B to A cannot be inter-

variableis assumed to

variableoccurs in the

Ss!2.Pk

3. When a variableisused as address data, the

values below the leastsignificantdigitare rounded.

##20 ... Error. #[#20] ... Correct.

Version B

‘#0 defined as

variables of <blank>.

-Commanding #O at the lefthand side of the equation,

—

-Where #2 is <blank>, com-

mand #3 =#2; means #3= <blank).

‘Where #2 is

<blank>, command600 X#2;

is equivalent to command G 00; (Address is

ignored.)

“Where #2 is

(blank),

#3 is O. @Condition

“IF #3 EQ #2” is

established.

@Condition

“IF #3 EQ #2” is

established.

– In these command,

#3 = (Blank)

:oncept of #0.

Variable <blank> is commanded in the replacement equation.

Variabla <blank) is commanded in the part program.

Variable <blank> is commanded in the condition of EQ and NE.

Others

Version A

No conception

of #o.

Commanding #0

causes alarm.

‘Where #2 is

<blank>, command #3 = 1#2. means #3 = O.

)Where #2 is

(blank), command 600 X #2; is equivalent to command G 00; GOOXO;

“Where #2 is

<blank>, #3 is O. @condition

“IF #3 EQ #2° is established. @Condition

“IF #3 NE #2” is

not established.

#3 =# [#o+#ol #3=#2 *#O; #3=#o+#o; #3=#ol#o; #3=5* #o; #3=2–#O; means #3=2 #3 =5/# O; causes alarm. (Blank> in the replacement described above is treated as “0.”

“Condition

when #2 and #3 are <blank), or

#2 is O and ??3is <blank>.

-Condition IF?/3 LT#2 is not established when #2 and ti3 are (blank), or *2 is (blank), and F3 =0.

In these commands, f#3=o.

IF #3 GE#2 is established

2.8.23.5 Operation Commands

Various operations can be performed between variablesand between variablesand constants. The operation expression is represented in the form of #i = (expression> . in which <expression> is a general arithmeticoperationalexpression produced by combining variablesand constants with

oPeratOrs and functions.

The availableopearatlonsand functions are as follows. Instead of ~ and #k, constants may be used.

(1) Variable Definitionand Replacement

#i= #j ... definition,replacement.

(2) Add-Type Operations

#i=#j+#k ... Sum. #i = #j- #k ... Difference. #i=#j OR #k...

Logical sum (foreach of

32 bits).

#i=#j XOR #k””.

Exclusive logicalsum

(foreach of 32 bits).

(3) Multiply-Type Operations #i= #j* #k ,.. Product. #i = #j I #k ... Quotient.

#i = #jAND #k. .. Logicalproduct

(for each of 32 bits).

Note:

In OR , XOR, or AND operation,the variablevalue (or constant) is converted into the binary 32–bitequivalentand the operation isperformed on each bit.

(4) Functions

#i= SIN [#j] ... #i=cos [#j] ... #i= TAN [#j] ... #i

❑ ATAN [#j/#kl

#i=sQRT [~] ... #i= ABS~#j] ...

iYi=BIN [~] ““-

#i- BcD [#j] ...

#i ‘ROUND [#j] ... #i=FIx [I/j] ... #i= FUP [#j] ...

Sine (indegrees). Cosine (in degrees).

Tangent (in degrees).

...

Arctangent . Square root. Absolute value. Convert from BCD ,

Convert into BCD. Produce integer by rounding. Truncate the fractions. Raise the fractionsto a unit.

(5) Combinations of Operations

The above operationsand functions may be used

in combinations.

formed first. performed.

A functionaloperationisper–

Then, a multiply-typeoperationis

An add-type operationisperformed

last.

Sample

#i .//j+

‘k * SIN [#L]

2.8.23.5Operation Commands (Cent’d)

Change of OperationalOrder by [ ]

(6)

Prioritymay be given to an operation by enclosing itin brackets [ ] . Up to quintuple (fivehold) nesting of brackets is permitted including those of functionaloperations.

Sample #i = SIN

[[fi+#k]*#k+ti]*k

[

‘T!-l

(7) Considerations for OperationalCommands

a, The constant without decimalpoint used in

<expression> is assumed to have a decimalpoint

at itsend.

b. When used in conditionalExpression IF or WHILE, functionROUND truncates the fractions.

C. When used in address data, functionROUND rounds off the part below the leastsignificant digit.

I I

This is because the data of #10 and #11 in @ and @ blocks are substantiallyrounded before being executed.

If @ block is

@ GOO U- [#10 +#11] ;

then, the movement is made by the following

amount:

U- [ #10 + #n] = U - [12.3758 + 13.1236]

—

On the other

@+@is

u#lo + u#ll

Hence, the program of@ is not correct.

(8) Operational Errors

The data format and the operationalerrors in the

macro programs are as follows:

Data Format

The numeric data handled in macro programs are

of the floatingpoint format.

= U - [25,499A]

—

= U - [25.499]

hand , block movement of

—

- U12. 376 + U13. 124 = U25.500

Sample (a)

#10 = 12.3758 When the least

X is 0.001 mm, GOO X I ROUND c #loll;

means GOO x12.376 ;

because 8 of 12.3758is rounded. This command is alsoequivalent to

GOO X#10 ;

Usually, ROUND is not used as mentioned above;

itis used as shown below:

sample (b)

When ROUND is used as follows,the program re-

turns to the startpoint correctly:

@ #11 = 13.1236 ; @ GOII U#10 ;

@ GO1 U#ll F.. . ; (Q GOO u- [ROUND [#lo] + ROUND [#11]];

significantdigit of address

the followingcommand

–J

‘ RETRACTION

— +x

where, M is sign + data 52-bitbinary,

b. OperationalErrors

Each time an operation is performed, the following error is caused and is accumulated. The number of significantdigitsis 15 to 16, which compensates the error sufficiently.

2.8.23.6 Control Commands

The commands which control the flow of the micro–program are of the followingtwo types:

a. Branch command ...

ssion>]GOTO n ;

b. Repeat Command ...

expression > ] DO m ,

(1) Branch Command

a. IF [K conditionalexpression >] GOT() n ;

If< conditionalexpression>ofthiscommand is established,a branch is made to the block of sequence number n within the same program. When a variable or an expression is used for n, the branch destinationmav be changed. If the

conditionisnot satisfied,the program proceeds

to the next block.

E is sign + data 10-bitbinary.

IF [f conditionalexpre-

WHILE [< conditional

SimpleBranch

Established

Leapisbrokenuponestablishmentofcertaincondition.

Repeat

Unestablished

Repeat

____l_J

m z

u 3

-W

Ei”

2.8.23,6 Control Commands (Cent’d)

DO 1

END 1 DO 2

The valueofm, 1, 2,or 3 iscalledthe identification number, which isused by DO and END tocalleach other.

(iii)

DO1;

DO 2

END 1

OverlapofDO

rangesisnot permitted.

Rewriteas

shown right.

DO 1;*

D02;

END 2 ;

ENDl; —

-1

‘1

END 2

3. The same identification number may be used

repeatedly except where repeat ranges overlap.

4. To get out of a DO loop, a GOTO n can be used. However, a GOTO n does not enable entrance to a DO

loop as shown below :

L--

5. Triple DO-loop nesting is permitted for each

micro program.

L--

DO1; D02; D03;

G65... ABC ;, END 3 ;

END 2 ; END 1 ;

DO1; D02; D03;

4“

G65... XYZ ; END 3 ;

END 2 ;

END 1 ;

(iv)

(v)

END 2 ;

DOI:

D-O2 ;

D03;

DO1;

END 1 ;~

END 3 ;

END 2 ;

END 1 ;

DO1;

‘7000””;~

END 1 ;

Quadruplenesting. Max. nestingpermit-

tedistriple.

Do loopmay not be enteredfrom

outside.

-=--.-/

Enabled

6. The codings shown below cause an

(i) DO1;

DO1;

END 1 ;

(ii) DO1;

‘1

END 1 ;

The returndestination

ofEND 1 isunknown.

One END 1ismissing.

Enabled

error:

GOTO 7000; J

IF,..

7. Do not put space between command and value m, such as DOm and ENDm. Error occurs if space is placed

between these entries.

2. 8.23.7 Registration of Macro Programs

(1) How to Make Registration of Macro Programs

The registration and edit of macro program bodies are per-

formed in the same manner as usual part programs and

subprograms. Therefore, no program size restriction that applies to the user macro body. Part programs, subpro grams, and macro programs may be stored together in the part program memory to their full capacity.

(2) Classification of Program Numbers

The program numbers are classified into the

following :

program No. I Classification

08000 to 08889

o 9CO0 to 09999

2.8. 23.8 Display and Write of Local and Common Variables

Local variables (#1 through #33) and common var-

iables (#100 through #149, #50Clthrough #549) can be displayed and written by the following operations:

When D4 of #6004 is set to 1, the registration, erase, and edit of programs are disabled,

When D7 of #6021 is set to 1, the registration, erase, and edit of programsare disabled.

(2) Write Operations

Writing of Values to Variables

a. Press SET function key. Mode select position may be provided anywhere.

Key-in the variable number to be written

‘ress m ‘ey ‘r L2iiiJ ‘ey ‘Ow-

ever, # need not be keyed-in. The keyed-in

variable number is specified and the cursor is

positioned to it.

c. Key-in the value to be written. Press WR key. of the variable number with the cursor position– ed,

The keyed-in value is stored as the data

(1) Display Operations

Display of Variables

a. Press SET function key. Mode select position

may be provided anywhere.

Kev-in the variable number and Dress

CURSOR k

need not be keyed in. Ten sets of variable numbers including the specified variable number and their data are displayed. The data are displayed in the signed 8-digit integer part and the 8-digit

fraction part.

Press ~

c. display may be~crolled up or down.

Remarks

a. Common variables may always be displayed for review .

b. For local variables, those of the macro cur-

rently executed are displayed. when a macro of a nesting level is in execution, the local variables belonging to macros of the

other nesting levels cannot be seen.

variables after completion of execution are all rest to “blank. “

‘y ‘r m ‘eye ‘:wever ‘

I—Macro nestinglevel

(0: hlacron;t]nexecution)

SETTING !JACRO

-LEVEL O #oloo

#olol #olo2 3.00000000

#olo9

L-

Sample Display of Common Variables

PAGE key or

-12345678,12345678

E-l

01234N0035

0.00000001

RDY

M ‘e” and ‘he

Consequently,

The local

‘ ‘ressm ‘eJ’‘r Liziii2‘ey‘r

~ATGE key or

e. Repeat operations in c. and d. to write the

values to the desired variables.

Remarks

a. Common variables can always be changed.

b. Local variables may not be written at any time other than when a macro is in execution. Any attempt to do so is invalidated. However, rewriting of local variables during macro execution may cause an unexpected failure, Before

attempting the rewriting , stop the machine operation by single stop function and check to see if

it is safe to rewrite variables.

c. The written local variables and common variables #100 through #149 are reset to “blank” by the reset operation or the power-on operation.

2.8,23, 9 Considerations and Remarks for Macro Programs

(1) Summary of Restrictions

a. Available Variables

#1 through #33 ~“ “ Local variables. #100 through #149 #500 through #549~

System variables

b. Available Variable Values

Maximum value ... Minimum value o..

c. Constant Values Usable in <

2(8 digits above decimal point) . decimal points) .

‘ALGE key to move the cursor.

Common variables.

:10+308 ~10- 308

Expression >

( 7 digits below

2.8. 23.9 Considerations and Remarks for Macro Programs (Cent’d)

Sample Maximum value 399999999.9999999

Minimum value fO.0000001

d. Operational Accuracy

Decimal 15 digits significant.

e. Macro Call Maximum Nesting Level

(4) Relationship with Address Search

The address search function is not permitted to search for the sequence numbers in the macro

body .

(5) Relationship with Single Block Switch

a. The operational command and control command blocks do not single-block stop if the single block switch is turned on.

This switch

is enabled for the other macro program blocks,

Quadruple (four-hold) ,

f, Maximum Nesting Level of Repeat Command

Triple (three-hold) for each macro.

Repeat Command (DO ) Identifier m

m = 1, 2, and 3.

h. Maximum Nesting Level ~f Brackets

Quintuple ( five-hold) .

(2) Difference between Macro Program and Sub-

program.

a. User macros G65 and G66 allow argument designation but the subprogram (M98 ) doee not.

. . The macro program directly branches to the

b macro program body without executing any command that was specified in G65 or G66 block and has no relationship with the macro. With the

subprogram, however, a branch is performed after the execution of the command (if any) other

than P and L in M98 block. c. The maximum nesting level of macro program

is quadruple including G65 and G66 calls. That of subprograms is also quadruple but separately.

If macro programs are specified via MDI

d. during automatic operation, the maximum nesting level is restricted to quadruple. With subprograms, up to four levels of nesting are permitted in tape mode or memory mode, or separately in MDI mode.

(3) Relationship with MDI Operation a. MDI writing permits the macro call and the

execution of the called macro.

b. MDI writing does not permit or execute macro

body commands such as operational commands and control commands.

When a macro program being executed is

stopped by the single block stop function, any

MDI writing command not related to the macro may be specified and executed.

b. However, when setting number #600~1 = 1, the single block switch is enabled for the opera-

tional command and control command.

c. System variable #3003 (for the control of

single block stop see 2.8.23. 5) and setting #6004 Dl mentioned above operate as shown below:

Setting

#6D04

D1=O

System Vari-

able #3003

=lor3

When Single Blcck

Switch is on

None of the operational commands, control commands, and general commands stoo.

Operationalcommandsand

DI=O

=Oor2

controlcommanddonotstop. Generalcommandsstop.

Dl=l

Dl=l =Oor2

=lor3

None of the operational command, control commands, and general commands stop.

All of the operational

commands, control commands,

and general commands stop.

(6) Relationship with Optional Block Skip

The slash “/” character used in the right-hand

side of an operational expression or in brackets

is asaumed to be the operator for quotient. It

does not mean the optional skip.

(7) Parameter Setting of Program Number

Classification

(1) Disabling of Program Registration, Erase,

And Edit

The following setting is permitted to protect the registered user macros and subprograms from inadvertent destruction:

Setting Number

#6004

Dz=l...

The programs of program numbers

#8000 through #8999 are disabled for registra-

tion, erase, and edit.

D2=0... Registration, erase, and edit are enabled.

Parameter

Number

#6021

D7=1

#9000 through #9999 are disabled for registration, erase, and edit.

D7 =()..

enabled.

(8) Effects of Reset Operation a.

(#1 through #33) and part of common variables ( #100 through #149) to “blank. ”

I.. The programs of program numbers

. Registration, erase, and edit are

A reset operation resets all local variables

#6110 . . . #6111 .,. #6112 . . . * #6113 .0. = #6114 . . . ( #6115 . . . )

Read the desired hole pattern in the binary value, convert it into the decimal equivalent, and set it to the parameter. For example, the hole pattern

shown below is set as “ 152”:

8 7

[ 1

6 5 4 0

Iojol”l

3 2

b. A reset operation resets the user-macro multiple call state and the multiple DO loop state, making the program pointer return to the pro–

gram head.

(9) Special Codes Usable in Macro Program Body (1) The special codes listed below may be used

in the user macro body:

* *

* * * *

When the value of the parameter is “O,” the hole

pattern listed in the above table is provided.

When the codes shown below are output from

2. the NC unit for punch-out or other purposes, the upper code (UC) or lower code (LC) is output immediately before.

a. Codes preceded by UC . . . #, +, $, ?.

b. Code preceded by LC . . . @.

c. Codes preceded by UC only at parameter designation . . . (,) , *, =.

2.8.23 .9.1 Outline of User Macro External Output Command

The following macro commands are available in addition to the standard user macro commands.

(1) Open command (POPEN) (2) Data output command (BPRNT or DPRNT) (3) Close command (PCLOS)

The above commands are used to output variables and characters via external devices with the RS-232C interface.

2.8.23 .9.2 Details of Each Command (1) Open command (POPEN)

(Format )

POPEN [a] ;

RS-232C port number

Notes :

1. For the hole pattern of EIA code, when the character is attached with an asterisk, the pattern shown above is standard. However, other patterns may be specified by using the following p~rameters:

(Function)

(Example)

The DC2 control code is output from the NC side, before the sequential data output

commands. be specified as 1 or 2.

The default is the 1st RS-232C.

POPEN; . . . . .

POPEN [2] ; ., . . Opens the 2nd

Give this command

The RS-232C number can

Opens the 1st RS-Z3ZC.

RS-232C.

2.8.23.9.2 Details of Each Command (Cent’d) (2) Data output command (BPRNT or DPRNT)

(a) BPRNT

(b) DPRNT

(Format)

BPRNT [a #b [cl....];

Effective digits below decimal point

(Functions)

The commanded characters are directly output

in ISO code.

● Alphabets (A to Z)

. Numerals

. Special characters (*, / , +, -) Can be output. However, ‘*’ is output by the space code.

The value of the variables is regarded as Z-

word data (32 bits) considering the digits below the decimal point, and is output from the higher order bytes, directly as binary data.

The effective digits after the decimal point are commanded in parentheses after the variable command,

After outputting the command data, the EOB

code is output in ISO code.

(Example)

BPRNT [C ** X #100 [3] Y #101 [31 M #10 [01;

When the variables are;

L.~at-acter

#100 = 0.40956 #101 = -1638.4

Variable

#lo = 12.34

it is output as;

~ Digits before

I I

~ Variable

decimal point

(Functions )

The commanded characters are directly output

in 1S0 code, as in the (i) BPRNT command.

2 The variable values are output from the

higher order digit, digit-by-digit, for as many digits as commanded. is also output in 1S0 code.

The variable value is output by commanding the variable number after “#Jl. digits before the decimal point, and the digits after the decimal point are each commanded in parentheses. Assume that the variables have a maximum of 8 digits. When the higher order digit is O, the output follows parameter #6016D7,

[Parameter #6016D7 = O:

#6016D7 = 1:

When the digits after the decimal point of the commanded variable is other than O, as many digits after the decimal point as commanded,

are outDut. the decimal point is O, no decimal po~nt is

output .

When the sign is positive, the output of the space code follows parameter #6016D7.

[Parameter #6016D7 = O:

When the commanded digits after

#6016D7 = 1:

The decimal point

Then the

Output space code. No output. ]

C3 AO AO D8 01 9A 59 FF E7 00 00 4D OC OA (Hexadecimal)

“--l------r -~l--r---r

L--- EOB

I I I I I

‘IT

I I I

L=::l

After outputting the command data, the EOB

code is output in ISO code.

( Example)

When; Variable value #2 = 128.47398

DPRNT [X#2[531Y#5[531 T#30[2011;

128.474

2D AO AO AO 39 B1 2E B2 30 30

~ I ~:@Q@w.2m

D4 AO B2 33 OA

‘>:23

#6016D7 = O: Output space as leading zero

when outputting data by the DPRNT command.

No leading zero is output.

2.8.23 .9.4 Notes The open command ( POPEN) and close

(1)

command (PCLOS) do not need to be commanded in sequence. Once the open command is given, there is no need to give another open command until the close command is given.

=?’”

59 2D 39 B1 2E B2 30 30

~,”2m

D4 B2 33 OA

~:’B

(3) Close command (PCLOS)

(Format )

PCLOS [a];

-T

RS-232C port number

The output data output command can be

(2)

stopped by resetting the command.

All later

data will also be erased.

Therefore, if reset is commanded by M30,

At the end of the output program, it is

etc. necessary to give the close command at the end of the program, wait until all the data are output, and then command M30, etc.

User macro and 1/O interface option is

(3)

required to use this function.

2.8.23.10 Alarm Number or Macro Programs

Shown below are the user-macro-associated alarms and their causes.

105

MAcRo ERROR (CONSTANT)

The number of constants is in excess of the specified range.

106

MACRO ERROR

There are too many G67 cancel codes.

107

MACRO ERROR (FoRMAT)

(Function)

The DC4 control code is output from

the NC side.

This is commanded after all the data

output command is given.

The RS-232C number is given in the same manner as the (1) POPEN command.

(Example )

2.8.23.9.3

PCLOS; . . . . Closes the 1st RS-232C.

Setting Necessary when Using This

Function (1) When outputting data by the BPRNT, DPRNT

command, set #60Z2D3 = O (no parity bit upon ISO tape output).

If #6022D3 = 1, the data cannot be output correctly.

(2) When outputting data by the DPRNT

command,

set whether the leading zero is

to be output by spaces.

A format other than expression has an

error.

108

MACRO ERROR (uNDEFIN #NO)

The value not defined as a variable num-

ber is designated.

109

MACRO ERROR ( #NO NOT LEFT)

The variable of assignment statement is the one that is disabled for assignment.

110

MACRO ERROR ( E ] 5 LIMIT)

The bracket nesting level is in excess of the upper limit (5) .

111

MACRO ERROR (MOVE G66 - M99)

A move command is specified in the macro end command M99 called by G66.

2.8.23.10 Alarm Number of Macro Programs (Cent’d)

112

MACRO ERROR (5)

s: They are local variable #1 through #33,

aren’t they ? But which type of local varia– ble ?

The macro call nesting level is in excess of the upper limit (4) .

113

114 MACRO ERROR (DO FORMAT)

DO and END are not paired.

115 MACRO ERROR ([ ] UNMATCH)

The format of < expression > has an error.

116

117

118

2.8.23.11 Exercises of Macro Programs

(1) Canned Cycle by G92 T (Teacher) : We have discussed many complicat-

MACRO ERROR (DO - END NO. )

DO m is not in the range of 1 <m< 3.

MACRO ERROR (G~O N)

GOTO n is not in the range of O < n <9999.

ed rules you have to understand to write user macros. create some user macros as exer–

cises. Let’s take straight thread-

cutting cycle by G92, because it is a simple operation.

Now, let’s

T: Type I for small number of variables. This

type allows the use of U, W and F and therefore makes the argument designation easier to understand.

S: OK. When type I is used, we have the fol-

lowing variables:

(P3)

T: Right. Using these variables, rewrite the

fo;mer progr-m (P2)

S: OK.

(P4)

#21I

–#23

—————

/#21

#~3

@ GOO U#21 ;

@ G32 w#23 F#9 ; @ GOO U-#21 ;

@ GOO w-#23 ;

Is this all right?

Yes. Just add this and we have a complete

user macro body.

I 1 l@ M99;

S (Student) : Where shall we start?

T: An example of usual G92 command takes the

following format:

G92 u-50. w-60. F6. O :

This command is divided into the following and executed within the NC unit. It is assumed that Rapid Pull Out of Threading is not included in this command.

First, these moving distances and lead threads can allbe converted into variables.

(Pi)

That’s easy.

Then, using G65,

the macro program body in the complete formats.

Let me try it.

Supposing the program No. of macro program body is 09093; the macro call command will be:

G65 P9093 u-5o. w-6o. F6. O ;

The macro program body is:

—- —-—

I 09093 i

GOO U#21 ;

I G32 w#23 F#9 ; I GOO U-#21

GOO w-#23 ; M99 ;

create this macro call and

(P5)

(P6)

That looks OK.

**********

I think something is wrong. With this pro-

gram, I have to specify points W and F every time!

That’s true. With a usual canned cycle,

when points W and F have been specified once, their values are retained. Thereafter, only U is specified.

Do you have any trick to overcome this in–

convenience ?

I do. In such a case, common variables

(#loo - #549) help. write the macro to designate the position of points W and F.

I’ve got it! Now, I divide the macro body into two parts as follows:

09000 ;

#100 = #23 ; #lol = #9 ; M99 ;

09093 ; GOO U#Zl ; G32 W#100 F#lOl ; GOO U-#21 ; GOO w-#100 ; M99 ;

and I write the macro call as follows:

G65 P9000 w-60. F6. O ; G65 P9093 u-50. ; G65 P9093 u-51.4 ; G65 P9093 u-52.6 ; G65 P9093 U. . . ;

Using common variables,

(P8)

(P9)

(Plo)

T: OK.

How about designating the width of

rapid threading pull–out using address K ?

All right. Let’s see .....

1--1

-—....———

U DIAMETER

VALUE

K RADIUS

VALUE WITH OUT SIGN

Macro call is as follows:

G65 P9000 w-60. K4.8 F6. O ; G65 P9093 u-50. ; G65 P9093 u-51.4 ; G65 P9093 U-. . . ;

Macro body is as follows:

09000 ;

#100 = #23 ; #lol = #9 ;

❑ ABS [ #6];

#102

M99 ;

09093 ;

#10 = ROUND [ #102] *2 ;

#11 = ROUND [ #211 + #10 ;

#12 = ROUND [ #100] + ROUND [ #102] ; GOOO U#21 ; G32 W#12 F#lOl ;

G32 U#10 W-#102 ;—RAPID THREADING

GOO U-#11 ;

GOO w-#100 ;

M99

PULL-OUT

Very good.

**********

I’d like to try to program Rapid threading

pull-out.

Is this OK?

2.8.23.11 Exercises of Macro Programs (Cent’d) T:

Yes.

Your reasoning is right. Practically, you had better prevent a malfunction by programming #3003: invalid control of single

block or #3004: invalid control of feedhold.

This threadcutting can be performed in Uand W-directions only. Now we’d like to expand this function in four directions.

S: I see.

-----

~___-__q++ ME:

K--L--J

Let me think.

--- How about the next program ?

TH READ

CUTTING

i----------- ‘—

G 00

( F)

u/2

09093: #3003 = 1 ;

_ Single block invalid M93 ; _ 4-block buffering #10 = ROUND [#102] *2 ; IF [ABS] [#21] LT #10] GOTO 4 ; IF [#21 GTO] GOTO 1 ; IF [#21 EQ O] GOTO 4 ; #11 =ROUND [#21] + #lO; _ U : Negative #12= #lo; GOTO 2 ; N1 #ll=ROUND[#21] -#11 ;

_ U : Positive #12= –#lo; N2 #13= ROUND [#102] ; IF [ABS [#100] LT #13] GOTO 4 ; IF [#100 GTO] GOTO 3 ; IF [#100 EQ O]GOTO 4 ; #14 = ROUND [#100] + #13 ; _ W: Negative #15= –#13: G0T05; N3 #14 = ROUND [#100] - #13; -W: Positive

#15= #13

U, K:

Designation with a sign

K: Designation without a sign

u = #21 (DIAMETER vALuE) W = #23

K = #6 (RADIUS VALuE) F=#9

The macro call command is as follows:

G65 P9000 W-45. K4. O F5.0 ; G65 P9093 u40. ; G65 P9093 u41.4 ; G65 P9093 U.. . ;

The macro program body is as follows:

09000 ;

#100 = #23 ;

—w #lol = #9 ; #102 = ABS [#6] ;—

I:\

M99 ;

GOT05; N4 #3000= 499 (MACRO INPUT ERR.) :

~ Error display

N5 GOOU#21 ;

#3004 = 7 ;

f~~fmidejhwilid

G32 W##14F#lOl : G32 U#12 W#15 ; fl~-~ulg

#3004 = o ;

GOOU-ttll ;

GOOW-#lOO;

M92 ;

#3003 = o ; M99 ;

Well. If Uor W= O,andl U/210rl W I<K, error willbe displayed in your programming. That’s good.

2.8.24 PROGRAM MIRROR IMAGE (G 68, G 69)+ Program mirror image is the feature to reverse

the NC program operation in all directions around the work center line (Z–axis) by the use of G command.

(1)

G68; . . .

Program mirror image on. The program mirror image on

state is held until G69 is speci– fied.

G69; . . .

Program mirror image off.

The program mirror- image off state is held until G68 is specified.

When program mirror image is on, the Xaxis operation by the NC program is in– verted with Z-axis being the center line. The manual operations (manual continuous feed and handle /step feed) are not affected by this feature.

(2)

Details of program mirror image When the PROGRAM mirror image feature is

on,

the movement by the NC program is inverted with Z-axis being the center line. The following inversion is processed in the

NC unit:

X command for X-axis

coordinate value is

inverted. U command for X-axis

incremental coordinate

value is inverted.

I command for X ‘axis

coordinate value of

arc center is inverted.

Circular motion direction inverted.

L,, -

VIRTUAL TOOL NOS?’

VIRTUAL TOOL NOSE

(3)

Cautions for G68 and G69 commands

G68 and G69 are modal G commands which

~., “

/-<02’,

~ CENTER \

L.+.””

TOOL

CENTER

Fig. 2.40

Programmed tool

radius compensation

Tool center

;

T + ::;.1 ;: ; Virtual tool nose

G 41

—+Z

Compensation T-: I:. X.”: : and tool center G44 when PROGRAM

mirror Image function

is on

belong to “ 10” group. They must be speci-

fied on a single block basis, in principle.

G69 (program mirror image off) is used at the time of power–on, reset operation, and program reset.

These commands must be specified in the

tool nose radius compensation cancelled

state. These commands may not be specified in the

finishing shape program of the special canned cycle.

If automatic origin return “G28 X. . . Z. . . ;” is specified when the X-axis mirror image

feature is on, the positioning of the inter-

mediate point specified in X and Z is affect-

ed by the mirror image, but the machine

origin, which is an absolute position, is not

affected by this feature.

~ PROGRAMMED CIRCULAR ARC

DIRECTION OF ROTATION

G 02”.,

CHANGED TO G 03

CIRCULAR ARC ROTATIONAL DIRECTION OF RoTATION WITH PROGRAM MIRROR IMAGE

(

FEATURE ON

Fig. 2.39

I command for X-axis beveling /rounding

volume and direction is inverted.

I command for canned cycle taper X-axis

distance is inverted. U and I commands for special canned cycles

finishing allowance, etc. are inverted. The operational direction after X–axis tool

position compensation is inverted. T command for tool nose radius compensa–

tion tool nose center is inverted in the sign. G command for tool nose radius compensa-

tion virtual tool nose position is inverted.

G28X...;...;

,-----\

/’

PROGRAMMED iNTER-

MEDIATE POINT

INTERMEDIATE POINT PRODUCED BY X-AXIS MIRROR IMAGE FEATURE

*----- --

Fig. 2.41

I’_

ASSOLUTE ZERO POINT

EXAMPLE :

Described below is a sample program which

uses G68 and G69 for the opposed tool rest shown in the diagram on the following page, and the X–axis movements.

2.8.24 PROGRAM MIRROR IMAGE (G68, G69) “t (Cent’d)

2,8.25 MULTIPLE REPETITIVE CYCLES(G70 TOG76)+

Power on

Manual reference point return

Program execution

NOOO1 G50 x240. z220. ;—240.000 NOO02 X40. Z120. TO1O1 ;—96.000 NOO03G68 ; NOO04G50U480. ; NOO05 x80. z80. Tllll ;—+144.000 NOO06G69 ; NOO07 G50 u480.; NO008 X120. z40. TO1O1 ;—176.000

~-$

-96.000

+384.000

-144.000

336.000

220

U-144.000

u240.000

u-160.000

OFFSETO1 ;~

A TURRET

T01

-48

2,8.25.1 General

This option makes program simple and short. For instance, both stock removal and finishing are performed only by commanding the finish– ing work shape.

Table 2.21 Multiple Repetitive Cycles

G code

G 70 Finishingcycle

G71

G 72 G 73 Pattern repeating G 74 G 75 G 76 Automatic thresdcutting

(1) G70 through G76 are in * group and non-

(2) The program of finishing shape specified

l--

:--

-1

—+Z

.%ckremovai in turning Sto6k removal in facing

Peck drilling in Z axis Grcmvingin X axis

modal.

by G71, G72 and G73 are stored in memory. The memory capacity for the finishing shape is 45 blocks.

Program of finishing shape <45 blocks

Note: When cornering (G 11, G 12) and

multiple cornering (G 111, G 112) are used,

each block containing them must be count-

ed as the value listed below.

Name

Finishing by G 70 possible

Tip nose radius ceinpensation

impossible.

Remarks

Tip nose radius

compensation possible

TURRET

OFFSET 11 X84

-1-

No, of blocks

One block including G

(3) The internal memory for storing the finish-

orG12

One block including G 111

One block including G

ing shape program :

To shorten the stock removal cycle computation time, the finishing shape program is binary-converted and then is stored in the memory for storing finished shape program

(one pair) in the unit. This memory is

called the internal memory for finishing

shape program, which differs from the part

program memory.

IIZ

bkxks

TWO

Four blocks

Five

blocks

(4) In the block after the cycle of G70 through

G76, the G codes of 01 group should be specified again. This is because the 01group G codes specified before the cycle may have been changed to other G codes by the execution of this cycle.

(5) It is possible to perform tool nose radius

compensation on the cycle of G 70 through

G73.

(6) Tool nose radius compensation cannot be

performed on the cycle of G74 through G76. Any attempt to do so will result in an error.

Sequence number for cycle start Sequence number for cycle finish

G71 Pns

Qnf Uf. . .

—

2.8,25.2 Stock Removal in Turning (G 71) Stock removal in turning with the finishing allow-

ance remained uncut can be commanded by G71. Commands for finished contour are different between monotonous increase /decrease and concaved shaped path.

(1) Monotonous increase /decrease finishing

shape

Ki. ..

. . .

F(E). . . S.. . :

Feedrate and spindle-speed designation for stock removal in turning

Nns .. ... ;

.....

. . . . .

Nnf . . . . . ;

Finishing shape program (45 blocks maximum) Tool nath: Sequ&nce number should start with ns and end with nf. F and S commands are effective only when G70 finishing cycle is executed.

FINISHING

ING ALLOWANCE

;

; ;

(Retracting) c

Rough

Rough finishing allowance in X-axis direction

(radius designation)

Finishing allowance in the direction of Z-axis

Finishing allowance in the direction of

X-axis (diameter designation)

A+Af+B

G71 starts at point A, executes rough

finish cycle (––-) , and returns to point A to be terminated.

Start and flmsh at poslt!on A

7 _____

Flmshlng shape program

Stock removal cycle Rough flmshlng cycle

designation) , the rough finishing cycle is omitted.

De~th of cut in X–axis direction

(d&ignation without signs)

finishing allowance in Z-axis direction

Note: Feed command F(E) and spindle command (s)” are given for executing stoc~ removal cycle. -

cycle (—) and the rough finishing

In the case of I = O and K = O (or no

Fig. 2.42

25.2 Stock Removal in Turning (G

2.8.

71) (Cent’d)

(2) Concaved finishing contour (Type B)

FINISHING ALLOWANCE

Retracting is GOO. Thrust

(GOO or GO1)

AA’.

Each depth of cut D along X-axis can be overrided by 10%step within the range of O to 200%, by G71/G72 cut depth override selection or setting.

Notes :

The tool path of finishing shape should be programmed to be monotonous increase or decrease in X and Z coordinates.

(Retracting)

A’

Fig. 2.43

performed by rapid traverse

motion depends on the speed

specified by the program of

See item (3) , g.

a. Command format

ns:Sequencenumberforcyclestart

~ .,:Sequencenumberforcyclefinish

G71 Pns Qmf Uf... 1!... D... F(E)... S... &

Nuns.,.......;

. .. F. ..... ;

..........

............. .

.............

Nnf......... ;J l,_...

Note 1:

and spindle command (S ) for the execution of stock removal cycle.

Note Z: concaved finishing shape program if R1 is

specified.

;h1

Specifies the feed command (F(E) )

ComDutes the cutting ~ath for the

——- .—. -—— —.

TTT

1 II

RoughfinishingallowanceinX-axis direction(radiusdesignation)

Finishingallowanceinthedirectionof X-axis(diameterdesignation)

Fnnshmgshapeprogram(45blocksmaximum)

Two]path:A + A’+ B

(Retracting)

____ ____ -..

Note1 Note2

D.+thofcutin~-a~is~i~ectra~

(designationwithoutsigns)

POSITION SHIFTED FROM POINT

The following should be taken into consider-

2. ation in programming the start block ( Nns) and the end block (Nnf) of a finishing shape program.

X MONOTONOUS

INCREASE

~p+,q:,

A’<

-!T_____

MONOTONOUS INCREASE

------4--

A’

FINISHING ALLOWANCE

+----+z

G71 starts at point A, executes the rough cutting cycle (—

cycle ( ––– ) , and returns to point A to be terminated. finishing cycle is skipped. Retracting is performed by rapid traverse GOO. Thrust motion depends on the speed

(G 00 or GO1) specified by the program of AA’. can be overrided by 10% step within the range of O to 200%, by G711G72 cut depth

override selection or setting. See item ( 3) ,

b. Cautions for concaved finishing shape pro-

gram

(i) Rough cutting cycle by G71 starts from

Each depth of cut D along X-axis

the closest concave to the start point.

— PROG RAM — STOCK REMOVAL CYCLE

““””””””””””ROUGH FINISHING CYCLE

) and the rough finishing

If I is not specified, the rough

FINISHING

FINISHING SHAPE

Nnf

IS’INPARALLEL WITH Z AXIS

COMMAND POINT OFFINALBLCCK W FINISHING SHAPEPR03RAM

‘YmkNG

(ii)

Since cutting starts with the concave nearest the start point, the cutting path is interrupted if it hits the convex beyond the concave. The concave is cut to its bottom. Then, the cutting cycle returns to the interrupted point to perform

cutting beyond it.

DISCONTINUATION

DEPTH OF CUT D

U 50 NTlNuED

For a simple concave, only one interrupted point is provided. However, for a complex

concave containing a smaller concave and a convex as shown below, the cutting path

is interrupted first at the larger convex

then at the smaller convex.

POINT

Any contour having an overhang does not

(iii)

allow cutting. cation value of the finishing shape program should be a monotonous variation.

(iv)

The termination block for the finishing shape program has the following limitations:

For the G command of the termination block (Nnf. . . pal.

(v)

The retracting amount after each approach cycle may be set by the setting.

Hence, the Z-axis specifi-

; ) , specify GO1 or GOO., in princi-

RETRACTING AMOUNT SETTING if62D2 (FOR G 71)

---- ---

CUTTING PATH

‘\

DISCONTINUATION 1

‘hTA

co”c’v’ \ /

The maximum number of interrupted points that,allows cutting is three, beyond which cutting is disabled, causing

“09711error.

number of concaves is allowed.

Within this limitation, any

DISCONTINUATION 1

L4K

CONCAVE

(vi)

Each block of the finishing shape program should be of monotonous increase or monotonous decrease. A circular arc which extends over two or more quadrants must be divided into two blocks before being programmed.

Generally, Z-axis finishing allowances W

(vii)

and K are not specified. Otherwise, a bite is caused into the wall of the corresponding side. tional monotonous increase /monotonous decrease stock removal cycle is provided.

(viii)

Approach is performed at the feedrate.

It is not affected by the G code of the

finishing shape program. Hence, depending on the finishing shape program, positioning may be performed by rapid traverse after the approach at feedrat e.

If “R 1“ is not specified, the conven-

APPROACH

Sample Contour Not A1lowing Cutting

2,8.25.2 Stock Removal in Turning (G 71)(Cent’d)

(3)

Rules in programming G71

Addresses U, W, I and K must be program-

med with signs. If a wrong sign is programmed, the workpiece may be gouged. An address D for depth of cut must be programmed without signs.

Finishing shape program must be program-

med immediately after the block containing G71. Even a block between them is ignored.

When F and S codes are not specified in the

block containing G71, F and S codes specified in the preceding block are effective for G71 mode. F and S codes specified in the program of finishing shape become effective only for G70 mode and are disregarded in G71 mode,

The following should be taken into consider-

ation in programming the start block ( Nns ) and the end block (Nnf) of a finishing shape program.

f. Cut depth override of G71 and G72

Ten percent step override may be applied, within the range of O to 200V0, to the depth of cut D of

each time in the following two manners : (i)

By setting ##6004D3through D7. (Set with 5-bit code.)

(ii)

By G71 /G72 cut depth override switching. Either of the above methods shown in (i) or

(ii) may be selected by parameter #6023D2.

g. The above rules and cautions in programming G71

also apply to G72 cycle.

In other words, the G72

cycle is the same as G71 except that cutting is made in parallel with X-axis.

Usable G code

GOO, GO1, G03, G06, G22, G23

Gil, G12

Gill

G112

When a program has entered the tool nose

A block containing these codes must be counted se two blocks.

A block containing these codes

must be counted as four blocks. A block containing these codes

must be counted as five blcxks.

Remarks

—

radius compensation mode before the G71 is commanded, the compensation is effec– tive for the G71 cycle.

However, the compensation is executed not in the stock removal cycle but in the rough

finishing cycle. Thus, the compensation is ineffective for the program in which the rough finishing cycle is omitted. (I = O, K = O)

yaskawa J50L Programming Manual

Specifications and Main Features

Frequently Asked Questions

User Manual