knd KND-K1000T User Manual

CNC Series

KND—1000 TⅠ/1000 TⅡ CNC system for Lathe

USER’S MANUAL

Beijing KND CNC Technique Co. Ltd.

B12B-T00N-0101

KND LTD,2006

I GENERAL

1. GENERAL

1.1 GENERAL FLOW OF OPERATION OF CNC MACHINE TOOL

1.2 NOTES ON READING THIS MANUA

II PROGRAMMING

1. GENERAL

1.1 TOOL MOVEMENT ALONG WORKPIECE PARTS FIGURE-INTERPOLATION

1.2 FEED-FEED FUNCTION

1.3 PART DRAWING AND TOOL MOVEMENT

1.4 CUTTING FEED─SPINDLE SPEED FUNCTION

1.5 SELECTION OF TOOL USED FOR VARIOUS MACHINING-TOOL FUNCTION

1.6 COMMAND FOR MACHINE OPERATIONS MISCELLANEOUS FUNCTION

1.7 PROGRAM CONFIGURATION

1.8 TOOL COMPENSATION FUNCTION

1.9 TOOL MOVEMENT RANGE –STROKE

2. CONTROLLED AXES

2.1 CONTROLLED AXES

2.2 SETTING UNIT

2.3 MAXIMUM STROKES

3. PREPARATORY FUNCTION (G FUNCTION)

4. INTERPOLATION FUNCTIONS

4.1 POSITIONING (G00)

4.2 LINEAR INTERPOLATION (G01)

4.3 CIRCULAR INTERPOLATION (G02,G03)

5. THREAD CUTTING

5.1 THREAD CUTTING(G32)

5.2 unequal lead thread cuttingG34

6. FEED FUNCTION

6.1 RAPID TRAVERS

6.2 CUTTING FEEDRATE

6.3 AUTOMATIC ACCELERATION/DECELERATION

6.4 SPEED CONTROL AT COMERS OF BLOCKS

6.5 DWELL(G04)

7. REFERENCE POSITON

7.1 AUTOMATIC REFERENCE POINT TETURN(G28)

8. COORDINATE SYSTEM SETTING(G50)

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1 - 0 1 - 1

1 - 1 1 - 2

1 - 0 1 - 1

1 - 2 1 - 4 1 - 3 1 - 9 1 - 10 1 - 10 1 - 11 1 - 13 1 - 13

2 - 1

2 - 1 2 - 1 2 - 1

3 - 1 4 - 1

4 - 1 4 - 2 4 - 2

5 - 1

5 - 1 5 - 6

6 - 1

6 – 1 6 - 1 6 - 3 6 - 4 6 - 5

7 - 1

8 - 1

8.1 COORDINATE SYSTEM SETTING

8.2 COORDINATE SYSTEM SHIET

8.3 AUTOMATIC COORDINATE SYSTEM SETTING

8.4 WORK COORDINATE SYSTEM SHIFT

8.5 DIRECT MEASURED VALUE INPUT FOR WORK COORDINATE SYSTEM SHIFT

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9.COORDINATE VALUE AND DIMENSION

9.1 ABSOLUTE AND INCTEMENTAL PROGRAMMING

9.2 INCH/METRIC CONVERSION(G20,G21)

9.3 DECIMAL POINT PROGRAMMING/POCKET CALCULATOR TYPE DECIMAL POINT PROGRAMMING

9.4 DIAMETER AND RADIUS PROGRAMMING

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10. SPINDLE FUCTION(S FUCTION)

10.1 SPINDLE SPEED COMMAND

10.2 SIMULATING SPINDLE GEAR SHIFTING

10.3 CONSTANT SUREACE SPEED CONTROL(G96,G97)

10.4 CONTROLLING SPINDLE CHUCK

10.5 CONTROLLING TALSTOCK

10.6 SPINDLE ROTATION DWELL FUNCTION

11.TOOL FUNCTION (T FUNCTION)

11.1 TOOL-CHANGING PROCEDURE

11.2 FUNCTION FOR CHECKING INPUT SIGNAL OF TOOL CARRIER

11.3 SELECTING REAR TOOL CARRIER

11.4 PARAMETERS RELATIVE WITH TOOL CHANGING

12. MISCELLANEOUS FUNCTION

12.1 MISCELLANEOUS FUNCTION(M FUNCTION

12.2 USER INTERFACE GO TO FUNCTIONM CODE:M91/M92,M93/M94

12.3 SPECIAL M CODE:M21/M22,M23/M24

12.4 PARAMETERS OF MISCELLANE:M21/M22,M23/M24

13. PROGRAM CONFIGURATION

13.1 PROGRAMR

13.2 PROGRAM END

13.3 TABE END

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14. FUNCTIONS TO SIMPLIFY PROGRAMMING

14.1 CANNED CYCLE (G90,G92,G94.G93)

14.2 MULTIPLE REPETITIVE CYCLE(G70~G76)

14.3 CHAMFERING AND CORNER

15. COMPENSATION FUNCTION

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8 - 1 8 - 1 8 - 2 8 - 3

8 - 4

9 - 1

9 - 1 9 - 3

9 - 3 9 - 5

10- 1

10- 1 10- 2 10- 4 10- 8 10- 8 10- 9

11- 1

11- 1 11- 2 11- 3 11- 3

12- 1

12- 1 12- 3 12- 4 12- 4

13- 1

13- 1 13- 7 13- 8 14- 1 14- 1 14-09 14-21 15- 1

15.1 TOOLOFFSET

15.2 TOOL NOSE RADIUS COMPENSATION(G40 TO G42)

15.3 CHANGING OF TOOL OFFSET AMOUNT(PROGRAMMABLE DATE

INPUT)(G10)

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16. MANUAL MEASURE INPUT OF TOOL COMPENSATION

16.1 OFFSET INPUT BY COUNTING

16.2 MEASURE INPUT

16.3 THE 2 WAYOF OFFSET INPUT

17. MEASURE FUNCTION

17.1 SKIP FUNCTION (G31)

17.2 ZUTOMATIC TOOL OFFSET(G36,G37)

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18. WORKPIECE COORDINATE SYSTEM (G54~G59)

18.1 WORKPIECE COORDINATE SYSTEM

18.2 SHIFT OR CHANGE WORKPIECE COORDINATE SYSTEM(G10)

18.3 AUTOMATIC COOTDINATE SYSTEM SETTING

19. CUSTOM MACRO COMMAND

19.1 CUSTOM MACRO COMMAND

19.2 CUSTOME MACRO BODY

13.3 APPLICATION OF CUSTOM MACTOM MACRO

III OPERATION

1. GENERAL

1.1 MANUAL OPERATION

1.2 TOOL MOVEMENT BY PROGRAMING-AUTOMATIC OPERATION

1.3 AUTOMATIC OPERATION

1.4 TESTING A PROGRAM

1.5 EDITING A PART PROGRAM

1.6 DISPLAYING AND SETTING DATA

1.7 DISPLAY

1.8 DATA INPUT/OUTPUT

2. OPERATIONAL DEVICES

2.1 LCD／MDI PANEL

2.2 MACHINE TOOL OPERATIR’S PABEL

3. POWER ON / OFF

3.1 TUMING ON THE POWER

3.2 TURING OFF THE POWER

4. MANUAL OPERATION

4.1 MANUAL REFERENCE POSITION RETURN

4.2 JOG FEE

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15- 1 15- 4

15-40

16- 1

16- 1 16- 1 16- 2 17- 1 17- 1 17- 2 18- 1 18- 1 18- 2 18- 3 19- 1 19- 1 19- 1 19-10

1 - 0 1 - 1

1 - 1 1 - 2 1 - 3 1 - 4 1 - 7 1 - 8 1 -11 1 - 13 2 - 1 2 - 1 2 - 6 3 - 1 3 - 1 3 - 1

4 - 1

4 - 1 4 - 2

4.3 STEP FEED

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4.4 MANUAL HANDLE FEED (OPTIONAL FUNCTION)

4.5 MANUAL PROGRAM ZERO RETURN ZERO MODF

4.6 MANUAL ABSOLUTE ON/OFF

4.7 MANUAL AUXILIARY FUNCTION OPERATION

5. AUTOMATIC OPERATION

5.1 OPERATION MODE

5.2 AUTOMATIC OPERATION EXECUTION

5.3 AUTO OPERATION EXECUTION

5.4 STOPING AND TERMINATING AUROMATIC OPERATION

6. DRY RUN

6.1 ALL-AXIS MACHINE LOCK

6.2 AUXILIARY FUCTION LOCK

6.3 FEEDRATE OVERRIDE

6.4 RAPID TRAVERSE OVERRIDE

6.5 DRY RUN

6.6 SINGLE BLOCK

6.7 RESTART

6.8 OPTIONAL BLOCK SKIP

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7. SAFTY OPERATION

7.1 EMERGENCY STOP

7.2 OVERTRAVEL

8. ALARM FUNCTION

9. PROGRAM STORAGE AND EDITING

9.1 PREPARATION

9.2 PROGRAM STORAGETO MEMORY

9.3 FILE INCLUDING MANY PROGRAMS STORED INTO MEMORY

9.4 PROGRAM SEARCH

9.5 DELETING PROGRAM

9.6 ALL PROGRAMS DELETING

9.7 PROGRAM OUTPUT

9.8 ALL PROGRAMS OUTPUT

9.9 SEQUENCE NUMBER SEARCH

9.10 PROGRAM COMPARATION BETWEEN IN MEMORY AND IN

PROGRAMMER

9.11 INSERTING, ALTERING AND DELETING A WORD

9.12 SEQUENCE NUMBER TO BE INSERTED AUTOMATICALLY

9.13 NUMBER OF REGISTERED PROGRAMS

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4 - 4 4 - 5 4 - 6 4 - 6 4 - 10 5 - 1 5 - 1 5 - 3 5 - 3 5 - 3 6 - 1 6 - 1 6 - 1 6 - 1 6 - 2 6 - 3 6 - 3 6 - 5 6 - 5 7 - 1 7 - 1 7 - 1

8 - 1 9 - 1

9 - 1 9 - 1 9 - 2 9 - 2 9 - 3 9 - 3 9 - 3 9 - 4 9 - 4

9 - 5 9 - 5 9 - 10 9 - 11

9.14 STORAGE CAPACITY

10. DATA DISPLAY AND SET

10.1 OFFSET

10.2 SETTING THE SET PARAMETER

10.3 CUSTOM MACRO VARIABLES DISPLAY AND SETTING

10.4 PARAMETER

10.5 PITCH ERROR COMPENSATION DATA

10.6 DIAGNOSE AND PLC PARAMET

10.7 DISPLAY AND SET MACHINE SOFTWARE OPERATOR’S PANEL

11. DISPLAY

11.1 STATUS INDICATION

11.2 DATA KEYED IN DISPLAYING

11.3 SEQUENCE NUMBER AND PROGRAM NUMBER DISPLAY

11.4 PROGRAM MEMORY USAGE DISPLAY

11.5 COMMAND VALUE DISPLAY

11.6 CURRENT POSITION DISPLAY

11.7 RUNTIME AND PARTS COUNT DISPLAY

11.8 ALARM DISPLAY

11.9 INDEX DISPLAY

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12. DATA OUTPUT AND FLASH MEMORY

12.1 TOOL COMPENSATION

12.2 PARAMETER

12.3 FLASH MEMORY

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13. GRAPH FUNCTION

13.1 SET GRAPH PARAMETER

13.2 DESCRIPTIONPARAMETER

13.3 DESCRIPTION OF TOOL PATH

13.4 EXAMPLE

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14. UPPER LIMIT FEED

14.1 UPPER LIMIT FEED

14.2 SETTING RAPID TRAVERSE

14.3 SETTING ELECTRIC GEAR RATE N

14.4 SETTING ACCELERATION/DECELERATION TIME CONCTANT

14.5 PARAMETER SETTING

14.6 DRIVER ALARM

15. DESCRIPTION

15.1 STANDARD PARAMETER SETTING AND MEMORY CLEARING

15.2 NOT CHECK SOFT OVER TRAVEL

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9 - 11 10- 1 10 - 1 10 - 3 10 - 5 10 - 6 10 - 9 10 - 9 10 -10 11- 1 11 - 1 11 - 1 11 - 1 11 - 2 11 - 2 11 - 4 11 - 6 11 - 7 11 - 7 12 - 1 12 - 1 12 - 1 12 - 1 13 - 1 13 - 2 13 - 3 13 - 4 13 - 5 14 - 1 14 - 1 14 - 1 14 - 1 14 - 2 14 - 2 14 - 5 15 - 1 15 - 1 15 - 1

15.3 BACKLASH COMPENSATION DESTIPTION

15.4 KEYBOARD AND INPUT SIGNAL FILTER

15.5 TURN ON THE POWER NOT TO ENTER NORMAL SCREEN

15.6 ROM PARITY ALARM,CMOSDATA LOSE, RAM CHECK

16. ILLUSTRATION OF USING U DISK (ⅡTYEP SYSTEM)

16.1 U DISK AND FILE SYSTEM

16.2 SYSTEMFUNCTION

IV CONNECTION

1. SYSTEM STRUCTURE

1.1 SYSTEM CONFIGURATION

1.2 INSTALLATION DIMENSION OF CNC CONTROL UNIT

1.3 ADDITIONAL OPERATOR’S PANEL DIMENSION

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2. INTERNAL CONNECTION

2.1 SYSTEM INTERNALCONNECTION DIAGRAM

2.2 POWER SOCKET SIGNAL ARRANGEMENT

2.3 CNC MAINBOARD SWITCH DESCRIPTION

3. EXTERNAL CONNECTION

3.1 SYSTEM EXTERNAL CONNECTION DIAGRAM

3.2 INTERFACE SIGNAL FROM CNC TO DRIVER

3.3 RS232-C STANDARD SERIES PORT

3.4 ANALOGUE SPINDLE INTERFACE CONNECTION

3.5 CONNECTION OF ADDITIONAL OPERATOR’S PANEL

3.6 OPTIONAL OPERATOR’S PANEL

3.7 Spindle coder CONNECTION …………………………………………………………

3.8 Connection of the Can bus interface …………………………………………………

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15 - 1 15 - 1 15 - 2 15 - 2 16 - 1 16-1 16-1

1 - 0 1 - 1

1 - 1 1 - 3 1 - 4 2 - 1 2 - 1 2 - 3 2 - 3 3 - 1 3 - 1 3 - 3 3 - 10 3 - 10 3 - 11 3 - 13 3 - 13

3 - 15

4. MACHINE TOOL INTERFACE

4.1 DESCRIPTION OF INPUT SIGNAL INTERFACE

4.2 DESCRIPTION OF OUTPUT SIGNAL INTERFACE

4.3 THE TABLE OF INPUT AND OUTPUT SIGNAL

4.4 DESCRIPTION OF INPUT AND OUTPUT SIGNAL

V APPENDIXES

APPENDIX 1 STORED PITCH ERROR COMPENSATON FUNCTION APPENDIX2 G FUNCTION TABLE APPENDIX3 TABLE OF RANGE OF COMMAND VALUE APPENDIX4 BINARY AND DECIMAL CONVERSION APPENDIX5 ALARM LIST APPENDIX6 STATUS OF POWER ON, AT RESET APPENDIX7 SPECIFION TABLE

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4 - 1 4 - 1 4 - 3 4 - 5 4 -10

1 – 0

1 - 1 2 - 1 3 - 1 4 - 1 5 - 1 6 - 1 7 - 1

APPENDIX8 PLC PARAMETER AND DIAGNOSE MESSAGE

1. DIAGNOSE DATA

2. PLC PARAMETER APPENDIX9 PARAMETERS APPENDIX10 OPERATION LIST APPENDIX11 CNC STATUS DIAGNOSE MESSAGE APPENDIX12 MACHINE DEBUG

12.1 TOOL SETTING

12.2 FUNCTION FOR STARTING AT ANY POINT

12.3 AKKITIONAL OPERATOT PANEL FOR MACHINE

12.4 FUNCTION OF SPINDLE PAUSE

12.5 FUNCTION FOR CHECKING INPUT SIGNAL OF TOOL HOLDER

APPENDIX13 INSTRUCTIONS OM KND COMMUNICATION SOFTWARE

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8 - 1 8 - 5 8 - 5 9 - 1 10- 1 11- 1 12- 1 12- 1 12- 7 12-11 12-11 12-11 13- 1

Overview Ⅰ －1(General) 1 － 0

I. OVERVIEW

Overview Ⅰ －1(General) 1 － 1

SECTION I.OVERVIWE

1. GENERAL

K1000T achieves hi-speed and hi-accuracy control by using a 32-bit processor. The screen is a monochrome 7.5″ LCD with resolution 640×480. The main board is a 6-layer circuit board, with surface-mounted elements, and

customized FPGA, so that it is highly integrated, the whole unit has a reasonable

process structure, high interference immunity and reliability. Full-Chinese operation interface, complete Help info, easy to operate. Using G commands from international standard, compatible with FANUC system.

Completely new molded panel in internationally popular color, with elegant

appearance.

Super-strong program command processing capability, up to 10000 pieces/18sec,

can achieve hi-speed mini-line cutting.

With function for lead screw error compensation. Hi-speed thread machining, rapid retreat.

Employing electronic disk, data will be saved in several positions, can restore

rapidly at an error.

Program memory with high capacity (640k byte). DI/DO can be expanded freely by CAN bus. (Under development) Type Ⅱ system has a interface for disk U, through which realizes saving

procedures between system and U disk mutually.

Type Ⅱ system panel does not contain the keys of machine tool, the user can

assemble by oneself or match the standard machine tool operator's panel.

This manual introduces the programming, operation and connection of KND 1000T

CNC system for drilling, boring, milling machines and machining centers.

This manual describes all optional functions of KND 1000T, in “specification list” under appendices it has also introduced varied functions of the CNC system. Look up the options incorporated into your system in the manual written by the machine tool builder. Also look up the manual written by the machine tool builder for the specification, operation for the operator’s panel.

K1000T system has following variety:

●K1000TA

monochrome LCD.

●K1000TB

color LCD.

: typeⅠ structure , panel dimension:400×306 , Using 7.4″

Ⅰ

: typeⅠ structure , panel dimension:400×306 , Using 7.5″

Ⅰ

Overview Ⅰ －1(General) 1 － 2

●K1000TA

: typeⅡ structure , panel dimension:400×200 ,Using 7.4″

Ⅱ

monochrome LCD.

●K1000TD

: type

Ⅱ

structure , panel dimension:400×200 ,Using 8.4″

Ⅱ

TFT color LCD.

May select and match Machine tool Operator’s panel regarding K1000T system, this panel apart two parts. the left part install the manual handle, the range selector, emergency stop switch, the three-position switch, the circulation starting switch, the power switch and so on; the right part is the machine tool keys, including 50 keys and 50 indicating lamps, when under the open style PLC system software, the key and the lamp function may from the definition.

The difference between type

1. Panel dimension is different. type

2. type

without machine tool keys, may match independence machine tool

Ⅱ

and type Ⅱ structure is as follow :

Ⅰ

400×306

Ⅰ

type Ⅱ:400×200

operator’s panel .

3. type

system panel has USB and RS232

Ⅱ

interfaces.

The supplementary material of KND-1000T is as follows:

KND1000T USER’S MANUAL

Contain system programming, operation, connection and routine maintenance.

1.1 GENRAL FLOW OF OPERATION OF OPERATION OF CNC

MACHINE TOOL

When machining a part using the CNC machine tool, first prepares the program, and then operates the CNC machine by using the program.

(1) First, prepare the program from a part drawing for cutting. How to prepare the program is described in “II. PROGRAMMING”.

(2) The program is to be read into the CNC system. Then, mount the workpieces and tools on the machine, and operate the tools according to the programming. Finally, execute the machining actually.

How to operate the CNC system is described in “III. OPERATION”.

Part

drawing

Cutting

program

MDI/LCD

Machine

CNC

system

Disk

Refer to‘Programming’

Refer to‘Operation’

1.2 NOTES ON READING THIS MANUAL

The function of a CNC machine tool system depends not only on the CNC, but on the combination of the machine tool, its magnetic cabinet, and driving system, etc. And details about the function, programming, and operation relating to all combinations can

Overview Ⅰ －1(General) 1 － 3

be determined only based on a concrete machine.

Option function 1

. . .

Option function N

CNC basic function

Interface

CNC system

From figure above one can see, a CNC system consists of basic function, optional functions and interfaces, etc., different machines will have different optional functions and interface designs. Please look up the manual from the machine builder.

(2) As mentioned above, KND 1000 CNC system is a universal system. This manual provides a general description about various functions of the CNC system. For a machine designer, in addition to read this manual, he shall also read the connection manual, only in this way can he understand in an all-sided way the functions of the system. And only based on above, can he give play to these functions optimally so that the machine tool can reach its optimal performance. In addition, this manual is only a description about functions, for a certain function, it is different on different machines, and it’s impossible to present all examples for concrete use, so please do refer to the manual from the machine builder.

(3) This manual is prepared based on system main board version 0012I-0000-

W01Z-0108, and system software version K1000TA

A01_060817.

Ⅰ

(4) As for the differences of systems with other software versions, please refer to

“Additional Description”.

(5)

If program the PLC procedure by yourself, please read 《PLC USERS

MANUAL》carefully.

★

Important:

K1000T system is of electronic disk function. After commissioning the machine, please save current data of the system into the electronic disk. In this way, it is possible to restore the system rapidly when current data of system is lost and becomes disorder hence can’t work. As for the operating way please refer to “Operation 12-2”.

Ⅱ PROGRAMMING －1（GENERAL） 1－0

Ⅱ PROGRAMMING

Ⅱ PROGRAMMING －1（GENERAL） 1－1

1. GENERAL

1.1 TOOLMOVEMENT ALONG WORKPIECE PARTS FIGURE——INTERPOLATION

The tool moves along straight lines and arcs constituting the workpiece parts figure (See II-4).

1.1.1 Tool movement along a straight line

Fig. 1.1.1 Tool movement along the straight line which is parallel to Z–axis

1.1.2 Tool movement along an arc

Fig. 1.1.2 Tool movement along an arc

1.1.3 Thread cutting

Threads can be cut by moving the tool in synchronization with spindle rotation.

（1） Straight thread cutting

Ⅱ PROGRAMMING －1（GENERAL） 1－2

（2）Taper thread cutting

The term interpolation refers to an operation in which the tool moves along a straight line or arc in the way described above.

Symbols of the programmed commands G01, G02, ... are called the preparatory function and specify the type of interpolation conducted in the control unit.

Ⅱ PROGRAMMING －1（GENERAL） 1－3

1.2 FEED–FEED FUNCTION

Movement of the tool at a specified speed for cutting a workpiece is called the feed.

Feedrates can be specified by using actual numerics. For example, the following command can be used to feed the tool 150 mm/s——F150.

The function of deciding the feed rate is called the feed function(SeeII–6).

1.3 PART DRAWING AND TOOL MOVEMENT

1.3.1 Reference position (Machine–Specific Position)

A CNC machine tool is provided with a fixed position. Normally, tool change and programming of absolute zero point as described later are performed at this position. This position is called the reference position.

The tool can be moved to the reference position in two ways:

（Ⅰ）Manual reference position return

（Ⅱ）Automatic reference position return

1.3.2 Coordinate system on part drawing and coordinate system

specified by CNC coordinate system

Ⅱ PROGRAMMING －1（GENERAL） 1－4

The following two coordinate systems are specified at different locations:

ⅠCoordinate system on part drawing

The coordinate system is written on the part drawing. As the program data, the coordinate values on this coordinate system are used.

Ⅱ Coordinate system specified by the CNC

The coordinate system is prepared on the actual machine tool. This can be achieved by programming the distance from the current position of the tool to the zero point of the coordinate system to be set.

The tool moves on the coordinate system specified by the CNC in accordance with the command program generated with respect to the coordinate system on the part drawing, and cuts a workpiece into a shape on the drawing.

Therefore, in order to correctly cut the workpiece as specified on the drawing, the two coordinate systems must be set at the same position.

Ⅱ PROGRAMMING －1（GENERAL） 1－5

Methods of setting the two coordinate systems in the same position

The following method is usually used to define two coordinate systems at the same location.

1. When coordinate zero point is set at chuck face

Fig. Coordinates and dimensions on part drawing

Fig. Coordinate system on lathe as specified by CNC

(made to coincide with the coordinate system on part drawing)

2. When coordinate zero point is set at work end face.

Fig. Coordinates and dimensions on part drawing

Ⅱ PROGRAMMING －1（GENERAL） 1－6

Fig. Coordinate system on lathe as specified by CNC

(made to coincide with the coordinate system on part drawing)

1.3.3 How to indicate command dimensions for moving the tool

absolute, incremental commands

Coordinate values of command for moving the tool can be indicated by absolute or incremental designation (See II–9).

（Ⅰ）Absolute commands

The tool moves to a point at ”the distance from zero point of the coordinate system” that is to the position of the coordinate values.

() Ⅱ Incremental comands

Specify the distance from the previous tool position to the next tool position.

Ⅱ PROGRAMMING －1（GENERAL） 1－7

1.3.4 Diameter programming /radius programming

Dimensions of the X axis can be set in diameter or in radius. Diameter programming or radius programming is employed independently in each machine.

1. Diameter programming

In diameter programming, specify the diameter value indicated on the drawing as the value of the X axis.

2. Radius programming

In radius programming, specify the distance from the center of the workpiece, i.e. the radius value as the value of the X axis.

Ⅱ PROGRAMMING －1（GENERAL） 1－8

1.4 CUTTING SPEED –SPINDLE SPEED FUNCTION

The speed of the tool with respect to the workpiece when the workpiece is cut is called the cutting speed. As for the CNC, the cutting speed can be specified by the spindle speed in rpm unit.

EXAMPLE:

The spindle speed is approximately 250 rpm, which is obtained from N=1000v/_D. Hence the following command is required:S250

Commands related to the spindle speed are called the spindle speed function (See II–10)

The cutting speed v (m/min) can also be specified directly by the speed value. Even when the workpiece diameter is changed, the CNC changes the spindle speed so that the cutting speed remains constant.

This function is called the constant surface speed control function.

Ⅱ PROGRAMMING －1（GENERAL） 1－9

1.5 SELECTION OF TOOL USED FOR VARIOUS MACHINING – TOOL

FUNCTION

When drilling, tapping, boring, milling or the like, is performed, it is necessary to select a suitable tool. When a number is assigned to each tool and the number is specified in the program, the corresponding tool is selected.

EXAMPLE:

When the tool is stored at location 01 of the tool post, the tool can be selected by specifying T0101.

This is called the tool function.

1.6 COMMAND FOR MACHINE OPERATIONS MISCELLANEOUS FUNCTION

When machining is actually started, it is necessary to rotate the spindle, and feed coolant. For this purpose, on–off operations of spindle motor and coolant valve should be controlled.

The function of specifying the on–off operations of the components of the machine is called the miscellaneous function. In general, the function is specified by an M code. (See II–11)

For example, when M03 is specified, the spindle is rotated clockwise at the specified spindle speed.

Ⅱ PROGRAMMING －1（GENERAL） 1－10

1.7 PROGRAM CONFIGURATION

A group of commands given to the CNC for operating the machine is called the program. By specifying the commands, the tool is moved along a straight line or an arc, or the spindle motor is turned on and off. In the program, specify the commands in the sequence of actual tool movements.

A group of commands at each step of the sequence is called the block.

The program consists of a group of blocks for a series of machining. The number for discriminating each block is called the sequence number, and the number for discriminating each program is called the program

number (See II–13.)

1.7.1Block

The block and the program have the following configurations.

Each block starts with a sequence number which identifies the block, and ends with an end–of–block code which indicates the end of the block.

This manual indicates the end–of–block code by ;

Ⅱ PROGRAMMING －1（GENERAL） 1－11

1.7.2 Program

Normally, a program number is specified after the end–of–block (;) code at the beginning of the program, and a program end code M30 is specified at the end of the program.

1.7.3 Main program and subprogram

When machining of the same pattern appears at many portions of a program, a program for the pattern is created. This is called the subprogram. On the other hand, the original program is called the main program. When a subprogram execution command appears during execution of the main program, commands of the subprogram are executed. When execution of the subprogram is finished, the sequence returns to the main program.

Ⅱ PROGRAMMING －1（GENERAL） 1－12

1.8 TOOL COMPENSATION FUNCTION

1.8.1 Tool offset

Usually, several tools are used for machining one workpiece. The tools have different tool length. It is very troublesome to change the program in accordance with the tools.

Therefore, the length of each tool used should be measured in advance.

By setting the difference between the length of the standard tool and the length of each tool in the CNC (data display and setting : see III–15), machining can be performed without altering the program even when the tool is changed. This function is called tool length compensation.

1.9 TOOL MOVEMENT RANGE—— STROKE

Limit switches are installed at the ends of each axis on the machine to prevent tools from moving beyond the ends. The range in which tools can move is called the stroke.

Ⅱ PROGRAMMING －1（GENERAL） 1－13

Ⅱ PROGRAMNING －2(CONTROLLED AXES) 2－1

2. CONTROLLED AXES

2.1 CONTROLLED AXES

Number of controlled basic axes

Number of simultaneously controlled basic axes

2.2 SETTING UNIT

INPUT/OUTPUT Least input increment Least command increment

X：0.001 mm (Diameter)

Z：0.001 mm

Mm output

Inch input

Mm output X：0.0001inch （Radius）

Mm input

inch output X：0.001 mm （Radius）

inch input

inch output X：0.0001inch （Radius）

NOTE:

X：0.001 mm （Radius）

Z：0.001 mm X：0.0001inch (Diameter)

Z：0.0001inch

X：0.001 mm （Diameter）

Z：0.001 mm

X：0.0001inch （Diameter）

Z：0.0001inch

1、 The unit in the table is a diameter value with diameter programming and a

radius value in radius programming.

2、 Least command increment is consisting of metric and inch input, and it is

depending on the machine. The bit SCW of parameter №004 can select mm or inch. Mm and inch can not occur in the same program.

3、 Setting unit refer to the machine tool’s description.

2.3 MAXIMUM STROKES

Maximum stroke=Least command increment×99999999

2（X，Z） 2（X，Z）

X：0.0005 mm

Z：0.001 mm Mm input

X：0.001 mm

Z：0.001 mm

X：0.0005 mm

Z：0.001 mm

X：0.001 mm

Z：0.001 mm

X：0.00005inch

Z：0.0001 inch

X：0.0001 inch

Z：0.0001 inch

X：0.00005inch

Z：0.0001 inch

X：0.0001 inch

Z：0.0001 inch

Ⅱ PROGRAMMING-3 (PREPARATORY FUNCTION) 3-1

3. PREPARATORY FUNCTION（G FUNCTION）

A number following address G determines the meaning of the command for the concerned block. G codes are divided into the following two types.

Type Meaning

One-shot G code

Modal G code

NOTE：

or the system is reset to the clear state.

whose options are not supported is specified, alarm No. 010 is displayed.

multiple G codes of one group are specified in a block, the G code specified last is effective.

Example: G01 and G00 are modal G codes in group 01. G01X _;

Z _; G01 is effective in this range. X _;

G00 Z_;

1. Modal G codes have the following initial conditions when the power is turned on

1) Those G codes marked* in Table 3 are specified automatically.

2) G20 and G21 retain their original conditions.

3) G00 or G01 is automatically selected according to parameter setting.

2. The G codes of group 00 are one-shot G codes.

3. If a G code that does not appear in the G code list is specified, or a G code

4. Multiple G codes of different groups can be specified in a single block. When

5. G code can set the max speed of spindle in constant surface speed control.

6. A G code is displayed from each group.

The G code is effective only in the block in which it is specified.

The G code is effective until another G code of the same group is specified.

Ⅱ PROGRAMMING-3 (PREPARATORY FUNCTION) 3-2

Table 3 G code list (1/2)

G code

G00

*G01

Group Function

Positioning Linear interpolation

G02 G03

Circular interpolation CW Circular interpolation CCW

G04 Dwell, Exact stop

G10

Offset value setting

G20 Input in inch

G21 G27

Input in mm Reference position return check

G28 Return to reference position

G29 Return from reference position G31 G32 01

Skip function Thread cutting

G36 Automatic tool compensation X

G37

Automatic tool compensation Z

*G40

G41 Tool nose radius compensation left

07 G42 G43 G44

*G49

G50 00

*G54

G55 G56

G57 Workpiece coordinate system 4 selection

03 G58

G59

Tool nose radius compensation cancel

Tool nose radius compensation right Tool length compensation + direction Tool length compensation - direction Tool length compensation cancel

coordinate system setting Workpiece coordinate system 1 selection

Workpiece coordinate system 2 selection Workpiece coordinate system 3 selection

Workpiece coordinate system 5 selection Workpiece coordinate system 6 selection

G65 00 Macro calling

Ⅱ PROGRAMMING-3 (PREPARATORY FUNCTION) 3-3

Table 3 G code list(2/2)

G code

G68

Group Function

Mirror image for X-axes ON

*G69

G70 G71

Mirror image for X-axes OFF Finishing cycle

Stock removal in turning

G72 Stock removal in facing G73

G74 G75 G76 G90 G92

Pattern repeating Peck drilling on Z axis Grooving on X axis

Multiple threading cycle Outer diameter/internal diameter cutting cycle

Thread cutting cycle

G93 G94

Tapping cycle End face turning cycle

G96

Constant surface speed control ON

*G97

G98

Constant surface speed control OFF Per minute feed

G99

Per revolution feed

+ 344 hidden pages

knd KND-K1000T User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

1. GENERAL

2. CONTROLLED AXES