okuma OSP E100 Instruction Manual
GAUGING SYSTEMS
OSP-E100M / OSP-E10M
INSTRUCTION MANUAL
(8th Edition)
Pub No. 4297-E-R6 (ME51-221-R8) Aug. 2004
SAFETY PRECAUTIONS
4297-E P-(i)
SAFETY PRECAUTIONS
The machine is equipped with safety devices which serve to protect personnel and the machine
itself from hazards arising from unforeseen accidents. However, operators must not rely exclusively
on these safety devices: they must also become fully familiar with the safety guidelines presented
below to ensure accident-free operation.
This instruction manual and the warning signs attached to the machine cover only those hazards
which Okuma can predict. Be aware that they do not cover all possible hazards.
1. Precautions Relating to Machine Installation
(1) Install the machine at a site where the following conditions (the conditions for achievement of
the guaranteed accuracy) apply.
• Ambient temperature: 17 to 25°C
• Ambient humidity: 40% to 75% at 20°C (no condensation)
• Site not subject to direct sunlight or excessive vibration; environment as free of dust, acid,
corrosive gases, and salt spray as possible.
(2) Prepare a primary power supply that complies with the following requirements.
• Voltage: 200 V
• Voltage fluctuation: ±10% max.
• Power supply frequency: 50/60 Hz
• Do not draw the primary power supply from a distribution panel that also supplies a major
noise source (for example, an electric welder or electric discharge machine) since this could
cause malfunction of the CNC unit.
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• If possible, connect the machine to a ground not used by any other equipment. If there is no
choice but to use a common ground, the other equipment must not generate a large amount
of noise (such as an electric welder or electric discharge machine).
(3) Installation Environment
Observe the following points when installing the control enclosure.
• Make sure that the CNC unit will not be subject to direct sunlight.
• Make sure that the control enclosure will not be splashed with chips, water, or oil.
• Make sure that the control enclosure and operation panel are not subject to excessive vibra-
tions or shock.
• The permissible ambient temperature range for the control enclosure is 0 to 40°C.
• The permissible ambient humidity range for the control enclosure is 30 to 95% (no conden-
sation).
• The maximum altitude at which the control enclosure can be used is 1000 m (3281ft.).
2. Points to Check before Turning on the Power
(1) Close all the doors of the control enclosure and operation panel to prevent the entry of water,
chips, and dust.
(2) Make absolutely sure that there is nobody near the moving parts of the machine, and that there
are no obstacles around the machine, before starting machine operation.
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(3) When turning on the power, turn on the main power disconnect switch first, then the CONTROL
ON switch on the operation panel.
3. Precautions Relating to Operation
4297-E P-(ii)
SAFETY PRECAUTIONS
(1) After turning on the power, carry out inspection and adjustment in accordance with the daily
inspection procedure described in this instruction manual.
(2) Use tools whose dimensions and type are appropriate for the work undertaken and the machine
specifications. Do not use badly worn tools since they can cause accidents.
(3) Do not, for any reason, touch the spindle or tool while spindle indexing is in progress since the
spindle could rotate: this is dangerous.
(4) Check that the workpiece and tool are properly secured.
(5) Never touch a workpiece or tool while it is rotating: this is extremely dangerous.
(6) Do not remove chips by hand while machining is in progress since this is dangerous. Always
stop the machine first, then remove the chips with a brush or broom.
(7) Do not operate the machine with any of the safety devices removed. Do not operate the
machine with any of the covers removed unless it is necessary to do so.
(8) Always stop the machine before mounting or removing a tool.
(9) Do not approach or touch any moving part of the machine while it is operating.
(10) Do not touch any switch or button with wet hands. This is extremely dangerous.
(11) Before using any switch or button on the operation panel, check that it is the one intended.
4. Precautions Relating to the ATC
(1) The tool clamps of the magazine, spindle, etc., are designed for reliability, but it is possible that
a tool could be released and fall in the event of an unforeseen accident, exposing you to danger:
do not touch or approach the ATC mechanism during ATC operation.
(2) Always inspect and change tools in the magazine in the manual magazine interrupt mode.
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(3) Remove chips adhering to the magazine at appropriate intervals since they can cause misoper-
ation. Do not use compressed air to remove these chips since it will only push the chips further
in.
(4) If the ATC stops during operation for some reason and it has to be inspected without turning the
power off, do not touch the ATC since it may start moving suddenly.
5. On Finishing Work
(1) On finishing work, clean the vicinity of the machine.
(2) Return the ATC, APC and other equipment to the predetermined retraction position.
(3) Always turn off the power to the machine before leaving it.
(4) To turn off the power, turn off the CONTROL ON switch on the operation panel first, then the
main power disconnect switch.
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4297-E P-(iii)
SAFETY PRECAUTIONS
6. Precautions during Maintenance Inspection and When Trouble Occurs
In order to prevent unforeseen accidents, damage to the machine, etc., it is essential to observe the
following points when performing maintenance inspections or during checking when trouble has
occurred.
(1) When trouble occurs, press the emergency stop button on the operation panel to stop the
machine.
(2) Consult the person responsible for maintenance to determine what corrective measures need to
be taken.
(3) If two or more persons must work together, establish signals so that they can communicate to
confirm safety before proceeding to each new step.
(4) Use only the specified replacement parts and fuses.
(5) Always turn the power off before starting inspection or changing parts.
(6) When parts are removed during inspection or repair work, always replace them as they were
and secure them properly with their screws, etc.
(7) When carrying out inspections in which measuring instruments are used - for example voltage
checks - make sure the instrument is properly calibrated.
(8) Do not keep combustible materials or metals inside the control enclosure or terminal box.
(9) Check that cables and wires are free of damage: damaged cables and wires will cause current
leakage and electric shocks.
(10) Maintenance inside the Control Enclosure
a) Switch the main power disconnect switch OFF before opening the control enclosure door.
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b) Even when the main power disconnect switch is OFF, there may some residual charge in the
MCS drive unit (servo/spindle), and for this reason only service personnel are permitted to
perform any work on this unit. Even then, they must observe the following precautions.
• MCS drive unit (servo/spindle)
The residual voltage discharges two minutes after the main switch is turned OFF.
c) The control enclosure contains the NC unit, and the NC unit has a printed circuit board
whose memory stores the machining programs, parameters, etc. In order to ensure that the
contents of this memory will be retained even when the power is switched off, the memory is
supplied with power by a battery. Depending on how the printed circuit boards are handled,
the contents of the memory may be destroyed and for this reason only service personnel
should handle these boards.
(11) Periodic Inspection of the Control Enclosure
a) Cleaning the cooling unit
The cooling unit in the door of the control enclosure serves to prevent excessive temperature
rise inside the control enclosure and increase the reliability of the NC unit. Inspect the following points every three months.
• Is the fan motor inside the cooling unit working?
The motor is normal if there is a strong draft from the unit.
• Is the external air inlet blocked?
If it is blocked, clean it with compressed air.
7. General Precautions
4297-E P-(iv)
SAFETY PRECAUTIONS
(1) Keep the vicinity of the machine clean and tidy.
(2) Wear appropriate clothing while working, and follow the instructions of someone with sufficient
training.
(3) Make sure that your clothes and hair cannot become entangled in the machine. Machine opera-
tors must wear safety equipment such as safety shoes and goggles.
(4) Machine operators must read the instruction manual carefully and make sure of the correct pro-
cedure before operating the machine.
(5) Memorize the position of the emergency stop button so that you can press it immediately at any
time and from any position.
(6) Do not access the inside of the control panel, transformer, motor, etc., since they contain high-
voltage terminals and other components which are extremely dangerous.
(7) If two or more persons must work together, establish signals so that they can communicate to
confirm safety before proceeding to each new step.
8. Symbols Used in This Manual
The following warning indications are used in this manual to draw attention to information of particular importance. Read the instructions marked with these symbols carefully and follow them.
DANGER
Indicates an imminent hazard which, if not avoided, will result in death or serious injury.
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WARNING
CAUTION
NOTICE
Indicates hazards which, if not avoided, could result in death or serious injury.
Indicates hazards which, if not avoided, could result in minor injuries or damage to devices
or equipment.
Indicates precautions relating to operation or use.
INTRODUCTION
4297-E P-(i)
INTRODUCTION
Thank you very much for choosing our CNC system. This numerical control system is a expandable
CNC with various features including a multi-main CPU system. Major features of the CNC system
are described below.
(1) Expandable CNC with a multi-main CPU system
A multi-main CPU system on which up to seven engines (main CPUs) can be mounted is used.
An excellent performance and cost effectiveness have been realized as a leader of increasingly
rapid and accurate machine tools. The CNC system can be adapted to any models and variations by changing the construction of the main CPUs. The machine is controlled by a built-in
PLC.
(2) Compact and highly reliable
The CNC system has become compact and highly reliable because of advanced hardware
technology, including UCMB (Universal Compact Main Board), I/O link, and servo link. The
‘variable software’ as a technical philosophy of the OSPs supported by a flash memory. Functions may be added to the CNC system as required after delivery.
(3) NC operation panels
The following types of NC operation panels are offered to improve the user-friendliness.
• Color CRT operation panels
• Thin color operation panels (horizontal)
• Thin color operation panels (vertical)
One or more of the above types may not be used for some models.
(4) Machining management functions
These functions contribute to the efficient operation of the CNC system and improve the profitability from small quantity production of multiple items and variable quantity production of variations. Major control functions are described below.
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a) Reduction of setup time
With increase in small-volume production, machining data setting is more frequently
needed. The simplified file operation facilitates such troublesome operation. The documents
necessary for setup, such as work instructions, are displayed on the CNC system to eliminate the necessity of controlling drawings and further reduce the setup time.
b) Production Status Monitor
The progress and operation status can be checked on a real-time basis on the screen of the
CNC system.
c) Reduction of troubleshooting time
Correct information is quickly available for troubleshooting.
(5) Help functions
When an alarm is raised, press the help key to view the content of the alarm.
This helps take quick action against the alarm.
To operate the CNC system to its maximum performance, thoroughly read and understand this
instruction manual before use.
Keep this instruction manual at hand so that it will be available when you need a help.
Screens
Different screens are used for different models. Therefore, the
screens used on your CNC system may differ from those shown in
this manual.
TABLE OF CONTENTS
TABLE OF CONTENTS
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL
BREAKAGE DETECTION FUNCTION........................................................1
1. Overview ....................................................................................................................................... 1
1-1. Displaying the Result of Gauging .......................................................................................... 2
1-2. Function Menu ....................................................................................................................... 3
2. Automatic Tool Length Offset/Automatic Tool Breakage Detection Operation ............................. 9
2-1. Setting the Touch Sensor Zero Point .................................................................................. 10
2-2. Setting the Tool Pot No./Tool No. Table .............................................................................. 15
2-3. Operation Mode Designation............................................................................................... 16
2-4. Automatic Tool Length Offset Function ............................................................................... 18
2-5. Setting the Tool Change Position (Other Than MC-H) ........................................................ 22
2-6. Automatic Tool Breakage Detection .................................................................................... 23
2-7. Cycle Time Reduction for Automatic Tool Length Offset/Automatic Tool Breakage
Detection Cycle ................................................................................................................... 28
2-8. New Cycle Time Reduction Function for Automatic Tool Length Offset/Automatic Tool
Breakage Detection Cycle ................................................................................................... 30
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3. Automatic Tool Length Offset/Automatic Tool Breakage Detection Function for
Special Tools and Attachments .................................................................................................. 34
3-1. Automatic Tool Length Offset/Automatic Tool Breakage Detection Function for
Horizontal Tools of MCM ..................................................................................................... 34
3-2. Operation for Automatic Tool Length Offset/Automatic Tool Breakage Detection on
B/C-axis Attachments, 90° Angular Attachments and Extension Attachments (Option) ..... 41
3-3. Operation of Automatic Tool Length Offset/Automatic Tool Breakage Detection with
30° Angular Attachments (Option)....................................................................................... 50
4. Y-axis Escape Position (MCM-B/MCR-B II/MCR-A/VH-40)........................................................ 62
4-1. Setting the Y-axis Escape Position...................................................................................... 62
4-2. Tool Movements during Automatic Tool Length Offset (Cutter Radius Compensation)/
Automatic Tool Breakage Detection Cycle .......................................................................... 63
5. Interference Prevention Measures for MCV-A/MCV-A II During Execution of the
Automatic Tool Length Offset/Automatic Tool Breakage Detection Cycle.................................. 64
5-1. Touch Sensor Operation Interlock ....................................................................................... 64
5-2. Measures against Interference during Execution of the Automatic Tool Length Offset/
Tool Breakage Detection Cycle ........................................................................................... 64
6. Variables Used in Subprograms .................................................................................................66
6-1. Table of Subprograms and Variables .................................................................................. 66
6-2. Table of Subprograms and Variables (MCM Horizontal Tools) ........................................... 69
6-3. How to Use Variables .......................................................................................................... 72
7. Cautions on Operation ................................................................................................................ 80
8. Program Examples ..................................................................................................................... 82
8-1. Automatic Tool Length Offset .............................................................................................. 82
4297-E P-(ii)
TABLE OF CONTENTS
8-2. Automatic Tool Breakage Detection .................................................................................... 84
9. Alarm List.................................................................................................................................... 87
SECTION 2 AUTOMATIC GAUGING FUNCTION ........................................................94
1. Overview ..................................................................................................................................... 94
1-1. Dimension Check Function.................................................................................................. 94
1-2. Automatic Zero Offset Function........................................................................................... 94
2. Operation of the Automatic Gauging Function............................................................................ 95
2-1. Setting the Datum Hole Zero Point...................................................................................... 96
2-2. Touch Probe Radius Compensation.................................................................................... 98
2-3. Touch Probe Length Offset ............................................................................................... 103
2-4. Inner Diameter (ID) Gauging Function .............................................................................. 105
2-5. Outer Diameter (OD) Gauging Function ............................................................................ 107
2-6. End Face Gauging Cycle................................................................................................... 110
2-7. Saving of Gauging Cycle Results ...................................................................................... 115
2-8. Calculating the Center and Distance between Two Points................................................ 116
2-9. Calculating the Center and Distance between Two End Faces ........................................ 118
2-10.Automatic Zero Offset Function........................................................................................ 121
2-11.Copying the Touch Probe Offset Data.............................................................................. 122
3. Automatic Gauging Function for B-/C-axis, 90° Angular and
Extension Attachments (Option) ............................................................................................... 123
3-1. Automatic Gauging for 90° Angular Attachment and B-/C-axis Attachment (PAB=90°)... 125
3-2. Automatic Gauging for Extension Attachment and B-/C-axis Attachment (PAB=0°)......... 126
4. Power ON/OFF Cycle of Renishaw's Optical Touch Probe (MP7/MP9/MP10) ....................... 127
4-1. Power ON/OFF Cycle Commands .................................................................................... 127
4-2. Power ON/OFF Cycle Operation ....................................................................................... 128
5. Details ....................................................................................................................................... 130
5-1. Touch Probe Movements .................................................................................................. 130
5-2. Approach Speed to the Workpiece .................................................................................... 133
5-3. Variables Used in Subprograms ........................................................................................ 135
6. Touch Probe Safety Measures ................................................................................................. 147
6-1. Checking Proximity Switch Operation ............................................................................... 147
6-2. Replacing the Touch Probe Battery................................................................................... 148
7. Supplementary Information....................................................................................................... 149
8. Program Examples ................................................................................................................... 151
8-1. ID Gauging ........................................................................................................................ 151
8-2. OD Gauging....................................................................................................................... 152
8-3. End Face Gauging on Z-axis............................................................................................. 153
8-4. Distance between End Faces (X-axis direction) ................................................................ 154
8-5. Automatic Zero Offset........................................................................................................ 155
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TABLE OF CONTENTS
8-6. Example Program for MCM Horizontal Spindle ................................................................. 156
9. Examples of Gauging Result Display ....................................................................................... 159
10.Alarm List .................................................................................................................................. 162
10-1.Alarm List.......................................................................................................................... 162
10-2.Gauging Impossible Cause Code Chart (Alarm B 2305) ................................................. 164
SECTION 3 GAUGING DATA OUTPUT FUNCTION ..................................................170
1. Overview ................................................................................................................................... 170
1-1. Parameters ........................................................................................................................ 170
1-2. Output Operation ............................................................................................................... 171
1-3. Example Program .............................................................................................................. 172
1-4. Example of Outputs ........................................................................................................... 173
1-5. Output Items ...................................................................................................................... 174
2. Interface Specifications for Connecting VP-600 ....................................................................... 175
2-1. Connection Diagram ..........................................................................................................175
2-2. Parameters ........................................................................................................................ 176
SECTION 4 GAUGING DATA OUTPUT TO FILE .......................................................177
1. Outline ...................................................................................................................................... 177
2. Parameters ............................................................................................................................... 177
2-1. NC Optional Parameter Bit ................................................................................................ 177
3. Designation of Displaying Device ............................................................................................. 178
4. Print Command......................................................................................................................... 178
4-1. System Variables for Printing ............................................................................................ 179
SECTION 5 MANUAL GAUGING ................................................................................181
1. Overview ................................................................................................................................... 181
1-1. Specifications .................................................................................................................... 181
1-2. Overview of Manual Gauging Functions............................................................................ 182
1-3. List of Display Screens ...................................................................................................... 186
2. Basic Operation ........................................................................................................................ 187
3. Preparation for Gauging ........................................................................................................... 188
3-1. Preparation for Work Gauging/Tool Length Gauging Cycles ............................................ 188
3-2. Preparation for Cutter Radius Compensation Cycle.......................................................... 195
4. Work Gauging........................................................................................................................... 197
4-1. End Face Gauging (X, Y, Z) .............................................................................................. 197
4-2. I.D. Center Gauging........................................................................................................... 202
4-3. O.D. Center Gauging .........................................................................................................207
4-4. Internal Faces Center Gauging ......................................................................................... 213
4-5. External Faces Center Gauging ........................................................................................ 225
4297-E P-(iv)
TABLE OF CONTENTS
4-6. Inclination and Corner Gauging ......................................................................................... 237
5. Tool Length Gauging ................................................................................................................ 244
6. Cutter Radius Gauging ............................................................................................................. 247
7. Comparison and Calculation of Gauging Results ..................................................................... 250
7-1. Transferring Gauging Results............................................................................................ 250
7-2. Comparison with Gauging Data......................................................................................... 252
7-3. Example of Calculation Results Display ............................................................................ 252
8. Error List ................................................................................................................................... 255
SECTION 6 INTERACTIVE GAUGING FUNCTION....................................................257
1. Specifications............................................................................................................................ 257
2. List of Display Screen ............................................................................................................... 258
3. Switches ................................................................................................................................... 259
3-1. Main Operation Panel ........................................................................................................259
3-2. Interactive Gauging Operation Panel ................................................................................ 261
4. Terminology .............................................................................................................................. 262
5. Basic Operation ........................................................................................................................ 264
6. Outline of Interactive Gauging Function ................................................................................... 265
7. Work Gauging Function ............................................................................................................ 271
7-1. PARAMETER (WORK) Screen ......................................................................................... 271
7-2. PREPARATION (WORK) Screen...................................................................................... 272
7-3. X, Y, Z END FACE ............................................................................................................278
7-4. I.D. CENTER ..................................................................................................................... 282
7-5. O.D. CENTER ................................................................................................................... 285
7-6. INT END CENTER ............................................................................................................ 287
7-7. EXT END CENTER ........................................................................................................... 290
7-8. INCLINE, CORNER ........................................................................................................... 293
8. Tool Length Gauging ................................................................................................................ 296
8-1. Parameter (Tool Length) ................................................................................................... 296
8-2. Preparation (Tool Length).................................................................................................. 297
8-3. Tool Length Gauging .........................................................................................................300
9. Other Supplementary Explanations .......................................................................................... 303
10.Operation Flow ......................................................................................................................... 305
11.Error List ................................................................................................................................... 306
SECTION 7 NON-CONTACT SENSOR CALCULATION FUNCTION.........................308
1. What is Non-contact Sensor? ...................................................................................................308
2. Outline ...................................................................................................................................... 309
3. Maker's Subprogram in the Movable Sensor Mode .................................................................. 310
4. Maker's Subprogram in the Fixed Sensor Mode....................................................................... 330
4297-E P-(v)
TABLE OF CONTENTS
5. Maker's Subprogram for Gauging a Vertical Spindle Tool in the Fixed Sensor Mode.............. 331
6. Maker's Subprogram for Gauging a Horizontal Spindle Tool in the Fixed Sensor Mode.......... 345
7. List of Alarms ............................................................................................................................ 359
SECTION 8 NON-CONTACT SENSOR GAUGING FUNCTION FOR
HORIZONTAL MC ...................................................................................360
1. What is Non-contact Sensor? ...................................................................................................360
2. Outline ...................................................................................................................................... 361
3. Gauging with the Fixed Sensor.................................................................................................361
4. Each Manufacturer's Subprogram for the Fixed Sensor ........................................................... 362
5. List of Alarms ............................................................................................................................ 380
SECTION 9 SPECIAL BARRIER FUNCTION FOR HORIZONTAL MC......................381
1. Outline ...................................................................................................................................... 381
2. Detailed Specifications ............................................................................................................. 381
2-1. Parameter Setting.............................................................................................................. 381
2-2. Setting Items...................................................................................................................... 382
2-3. Barrier Range Setting Example ......................................................................................... 383
2-4. Barrier Alarm and Resetting Method ................................................................................. 383
3. Alarms....................................................................................................................................... 384
3-1. Alarm A.............................................................................................................................. 384
SECTION 10NON-CONTACT SENSOR GAUGING FUNCTION FOR MCR-AF.........385
1. What is Non-contact Sensor? ...................................................................................................385
2. Outline ...................................................................................................................................... 386
3. Manufacturer's Subprogram for the Fixed Sensor .................................................................... 387
4. Manufacturer's Subprogram for Gauging Vertical Spindle Tools with the Fixed Sensor .......... 387
5. List of Alarms ............................................................................................................................ 406
SECTION 11NON-CONTACT SENSOR GAUGING FUNCTION FOR 30°/45° AT
(103 VERSIONS) .....................................................................................407
1. What is Non-contact Sensor? ...................................................................................................407
2. Outline ...................................................................................................................................... 408
3. Manufacturer's Subprogram for the Fixed Sensor .................................................................... 409
4. Manufacturer's Subprogram for 30°/45° AT Tool Gauging by the Fixed Sensor ...................... 410
5. List of Alarms ............................................................................................................................ 428
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/
AUTOMATIC TOOL BREAKAGE DETECTION FUNCTION
1. Overview
4297-E P-1
The automatic tool length offset/automatic tool breakage detection function automatically calculates
the tool offset data and detects breakage (chipping) of tools such as drills, taps, reamers and boring
bars.
The specifications of this function are classified into the following two types.
• Specifications for automatic tool length offset only, and
• Specifications for automatic tool length offset and automatic tool breakage detection
A touch sensor is mounted in the machine: a tool mounted in the spindle is brought into contact with
this touch sensor to determine the tool offset data and to detect if the tool has been broken.
For tools which are mounted and removed without using the ATC, refer to the section Tool Management Function in the special specifications of the Operation Manual.
(1) Automatic Tool Length Offset
With the tool length offset function, the tool mounted in the spindle is brought into contact with
the touch sensor to calculate the tool length. A subprogram prepared for this purpose is used
for this operation.
(2) Automatic Tool Breakage Detection
With the automatic tool breakage detection function, the same contact detection cycle as used
for the tool length offset function is executed to obtain the tool length.
The function compares the obtained tool length with the tool length offset data stored in the
CNC memory to judge if the tool has been broken.
If the tool is found to have been broken, it is replaced with a spare tool.
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SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-1. Displaying the Result of Gauging
4297-E P-2
Display the screen that displays the gauging result (GAUGING RESULTS screen) by following the
steps indicated below.
Procedure :
1 Select an operation mode (automatic, MDI, manual).
2 Press function key [F8] (DISPLAY CHANGE).
The DISPLAY CHANGE window opens.
3 In the DISPLAY CHANGE window, select “GAUGING RESULTS”.
4 Press function key [F8] (CLOSE).
The GAUGING RESULTS screen, shown below, is displayed.
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SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-2. Function Menu
4297-E P-3
The function menu switches as shown below to display the functions relating to the gauging result
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when the extend key, to the right of function key [F8] (DISPLAY CHANGE), is pressed.
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When the extend key is pressed.
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The function menu relating to gauging result processing is described below.
Function Menu Description
TOOL/ZERO Displays the presently set zero offset/tool offset number.
MSB ZERO ON/OFF Displays the offset data presently set for the individual zero offset num-
bers.
MSB TOOL ON/OFF Displays the offset data presently set for the tool length offset number
and the cutter diameter offset number.
SENSstat ON/OFF Displays the value set for system variable VNCOM and the sensor con-
tact status.
VARIOUS ON/OFF Displays the values set for the system variables.
For details on the function keys, refer to [1-2-1. TOOL/ZERO Function Key] to [1-2-5. VARIOUS ON/
OFF Function Key].
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-2-1. TOOL/ZERO Function Key
4297-E P-4
The TOOL/ZERO pop-up window displays the presently set zero offset number and tool offset numbers. To display the TOOL/ZERO pop-up window, follow the procedure indicated below.
Procedure :
1 Display the GAUGING RESULTS screen.
For the procedure used to display the GAUGING RESULTS screen, refer to [1-1. Displaying the
Result of Gauging].
2 Press the extend key to switch the function menu.
3 Press function key [F2] (TOOL/ZERO).
The TOOL/ZERO pop-up window opens.
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The TOOL/ZERO pop-up window closes when function key [F2] (TOOL/ZERO) is pressed
again.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-2-2. MSB ZERO ON/OFF Function Key
4297-E P-5
The MSB (VSZO✽[N]) pop-up window displays the offset data set for the individual zero offset numbers. To display the MSB (VSZO✽[N]) pop-up window, follow the procedure indicated below.
Procedure :
1 Display the GAUGING RESULTS screen.
For the procedure used to display the GAUGING RESULTS screen, refer to [1-1. Displaying the
Result of Gauging].
2 Press the extend key to switch the function menu.
3 Press function key [F4] (MSB ZERO ON/OFF).
The MSB (VSZO✽[N]) pop-up window opens.
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The MSB (VSZO✽[N]) pop-up window closes when function key [F4] (MSB ZERO ON/OFF) is
pressed again.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-2-3. MSB TOOL ON/OFF Function Key
4297-E P-6
The TOOL OFFSET/COMPENSATION pop-up window displays the offset data set for the individual
tool length offset and cutter radius compensation numbers. To display the TOOL OFFSET/COMPENSATION pop-up window, follow the procedure indicated below.
Procedure :
1 Display the GAUGING RESULTS screen.
For the procedure used to display the GAUGING RESULTS screen, refer to [1-1. Displaying the
Result of Gauging].
2 Press the extend key to switch the function menu.
3 Press function key [F5] (MSB TOOL ON/OFF).
The MSB TOOL LENGTH OFFSET (VSTOH[N])/MSB CUTR RADIUS COMP (VSTOD[N])
pop-up window opens.
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EIOEMR5S1006R01
The MSB TOOL LENGTH OFFSET (VSTOH[N])/MSB CUTR RADIUS COMP (VSTOD[N])
pop-up window closes when function key [F5] (MSB TOOL ON/OFF) is pressed again.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-2-4. SENSstat ON/OFF Function Key
4297-E P-7
The NC COMMUNICATION (VNCOM[N]) pop-up window displays the values set for system variables VNCOM and the contact status of the sensor. To display the NC COMMUNICATION
(VNCOM[N]) pop-up window, follow the procedure indicated below.
Procedure :
1 Display the GAUGING RESULTS screen.
For the procedure used to display the GAUGING RESULTS screen, refer to [1-1. Displaying the
Result of Gauging].
2 Press the extend key to switch the function menu.
3 Press function key [F6] (SENSstat ON/OFF).
The NC COMMUNICATION (VNCOM[N]) pop-up window opens.
Eeoemr5s1009
EIOEMR5S1007R01
The NC COMMUNICATION (VNCOM[N]) pop-up window closes when function key [F6]
(SENSstat ON/OFF) is pressed again.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
1-2-5. VARIOUS ON/OFF Function Key
4297-E P-8
The VARIOUS DATA pop-up window displays the values set for the individual system variables. To
display the VARIOUS DATA pop-up window, follow the procedure indicated below.
Procedure :
1 Display the GAUGING RESULTS screen.
For the procedure used to display the GAUGING RESULTS screen, refer to [1-1. Displaying the
Result of Gauging].
2 Press the extend key to switch the function menu.
3 Press function key [F7] (VARIOUS ON/OFF).
The VARIOUS DATA pop-up window opens.
Eeoemr5s1010
EIOEMR5S1010R01
The VARIOUS DATA pop-up window closes when function key [F7] (VARIOUS ON/OFF) is
pressed again.
4297-E P-9
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
2. Automatic Tool Length Offset/Automatic Tool Breakage Detection Operation
A general breakdown of the operational procedure for carrying out automatic tool length and tool
breakage detection functions is given below.
Setting the zero point for the
touch sensor
Setting the correspondence
between pot numbers/tool
numbers
Executing the automatic tool
length offset cycle with the tool
used for setting the touch
sensor zero point
Executing automatic tool length
offset for other tools
Setting the tool change
position data
Zero point setting is necessary only when the
machine is installed.
(If higher gauging accuracy is required, however, you
are recommended to set the zero point occasionally.)
When tools in the magazine are replaced, it is necessary to set the new correspondence between the tool
pot numbers and the tool numbers.
Make sure that the tool length offset value is
"0±0.005 mm" or "PLI setting±0.005mm".
Call the tool whose tool length offset data is to be
set from the magazine and mount it in the spindle,
then execute the automatic tool length offset cycle.
Repeat this operation for all tools that require tool
length offset data setting.
This step is not necessary for MC-H.
Eeoemr5s1011
Tool not
broken
Usually, the tool breakage detection cycle is exe-
Executing automatic tool
breakage detection cycle
Checking for breakage
Tool broken
Pallet change, etc.
[Supplement]
With a double-column machining center that has a touch sensor at a location other than the crossrail (on the table, for example), the Z-axis zero point must be set after positioning the crossrail.
cuted after each cutting operation with the relevant
tool is completed.
Tool length offset data must be set for tools that are
checked for breakage.
The function determines whether the machining is
continued as programmed or error processing is executed according to the result of the automatic tool
breakage detection cycle.
This step is not necessary if the setting that specifies
the machine should stop in the alarm stop state when
tool breakage is detected is made.
When the setting that specifies automatic selection of
a spare tool if tool breakage is detected is made, the
error processing on occurrence of tool breakage
should be as follows: the CNC judges that the workpiece machined using the broken tool is defective,
changes the pallet to a new one and starts machining
for a new workpiece.
EIOEMR5S1009R01
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
2-1. Setting the Touch Sensor Zero Point
2-1-1. Setting the Touch Sensor Zero Point (Z-axis)
4297-E P-10
Set the Z-axis direction offset value of the touch sensor zero point using a reference tool so that the
automatic tool length offset/automatic tool breakage detection function operates correctly.
Eeoemr5s1012
NOTICE
If Y-axis has to be retracted to set the touch sensor zero point, set the Y-axis retraction position
first by referring to [4. Y-axis Escape Position (MCM-B/MCR-B II/MCR-A/VH-40)].
Procedure :
1 After selecting the MDI mode, input “VFST=✽✽”, press the CYCLE START button.
Set an appropriate value for "✽✽" by referring to [2-3. Operation Mode Designation]. In this setting, either the automatic tool length offset mode or the automatic tool breakage detection cycle
may be selected.
The set value can be confirmed by opening the VARIOUS DATA pop-up window on the GAUGING RESULTS screen.
EIOEMR5S1010R01
For the procedure for opening the VARIOUS DATA pop-up window, refer to [1-2-5. VARIOUS
ON/OFF Function Key].
2 Execute the sensor advance command M144 in the MDI mode. (In the case of a movable type
sensor)
3 Set the reference tool in the spindle, and manually bring the nose of the reference tool near the
Z-axis touch sensor.
There will inevitably be some slight displacement between the center of the sensor and the
center of the reference tool. This displacement, however, does not pose a problem for the succeeding operation.
4297-E P-11
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
[Supplement]
The “reference tool” means the tool used for setting the zero point in a work coordinate system.
4 At this position, execute the following program after selecting the automatic mode.
CALL OO30 PAXI=7 PLI=✽✽ (VFST=✽✽)
M02
[Supplement]
The settings for PLI should be as indicated below
Offset Type PLl Setting
Relative offset type 0
Absolute offset type Length from the spindle nose
face
Usually, the tool used for zero setting of the work coordinate system is also used for the sensor
zero point setting cycle. Therefore, there is no tool length difference between the tools used for
the two different zero point setting cycles, and the setting for PLI should be “zero” (PLI = 0).
For the absolute offset type, set the accurate length of the tool currently set in the spindle as
illustrated to the left.
If no value is set for PLI, either “PLI = 150 mm.” or “PLI = 200 mm” is assumed. Which of the
values is used is determined by the machine model.
Relative offset type
PLI = 0
Absolute offset type
PLI
EIOEMR5S1011R01
[Supplement]
VFST may be set in this step instead of setting it first in the MDI mode.
As the program above is executed, the reference tool automatically comes into contact with
the Z-axis touch sensor, whereupon Z-axis zero offset is executed.
Zero offset of both the X and Y axes is executed so that the present (actual) position of the reference tool becomes X = 0, Y = 0.
How the reference tool moves during the execution of the program is explained in [2-1-2. Reference Tool Movements during Z-axis Touch Sensor Zero Point Setting].
4297-E P-12
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
5 Execute the sensor advance command M144 in the MDI mode. (In the case of a movable type
sensor)
6 Mount a small-diameter drill in the spindle.
7 Bring the drill tip manually near to the touch sensor and align the spindle center (drill center)
with the center of the touch sensor.
8 At this position, execute the following program after selecting the automatic mode.
CALL OO30 PAXI=3
M02
X- and Y-axis zero offset is executed so that the present (actual) position of the drill becomes X
= 0, Y = 0. (The Z-axis does not move.)
After the execution of the X- and Y-axis zero offset, the Z-axis moves at a rapid feedrate to the
travel end in the positive (+) direction and the sensor retracts, completing touch sensor zero
point setting.
The result is fed back to the offset data of system work coordinate system No. 1.
The set offset data can be checked by opening the MSB ZERO OFFSET (VSZO✽[N]) pop-up
window on the GAUGING RESULTS screen. The offset data of the X-, Y- and Z-axis is displayed at the X, Y, and Z columns of the NO. 1 line
EIOEMR5S1012R01
[Supplement]
Since system work coordinate system No. 1 is used exclusively for the automatic tool length
offset and automatic tool breakage detection functions, it cannot normally be set or referenced.
For the procedure for opening the MSB ZERO OFFSET (VSZO✽[N]) pop-up window, refer to
[1-2-2. MSB ZERO ON/OFF Function Key].
This completes the Z-axis touch sensor zero point setting.
4297-E P-13
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
2-1-2. Reference Tool Movements during Z-axis Touch Sensor Zero Point Setting
During the execution of the Z-axis touch sensor zero point setting, the reference tool moves as indicated below.
Machine operation
(1) The Z-axis moves at a rapid feedrate to the travel end in the positive (+) direction.
(2) The spindle is oriented.
(3) If the movable type sensor is used, the sensor moves back once and then moves forward.
(4) The Z-axis moves at an approach feedrate in the negative (-) direction until the reference tool
comes into contact with the touch sensor.
(5) The Z-axis comes to a stop when the reference tool comes into contact with the touch sensor.
(6) The Z-axis moves at a rapid feedrate to the travel end in the positive (+) direction.
(7) If the movable type sensor is used, the sensor moves back.
2-1-3. Setting the Touch Sensor Zero Point (Y-axis)
When the specifications for automatic tool length offset and automatic breakage detection in the Yaxis direction (diameter direction) are selected, set the Y-axis touch sensor zero point retraction
position first by referring to [2-4. Automatic Tool Length Offset Function].
Procedure :
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Eeoemr5s1014
1 After selecting the MDI mode, input “VFST=✽✽”, and press the CYCLE START button.
Set an appropriate value for "✽✽" by referring to [2-3. Operation Mode Designation]. In this setting, either the automatic tool length offset mode or the automatic tool breakage detection cycle
may be selected.
If an appropriate value is already set for VFST, it is not necessary to set the value here.
The set value can be confirmed by opening the VARIOUS DATA pop-up window on the GAUGING RESULTS screen. For the procedure for opening the VARIOUS DATA pop-up window,
refer to [1-2-5. VARIOUS ON/OFF Function Key].
2 Execute the sensor advance command M144 in the MDI mode. (In the case of a movable type
sensor)
3 Set the reference tool in the spindle, and manually bring the nose of the reference tool near the
Y-axis touch sensor.
Align the center of the reference tool with the center of the Y-axis touch sensor.
4 At this position, execute the following program after selecting the automatic mode.
CALL OO30 PAXI=#17H PLI=0(or accurate length of reference tool)
PY=Accurate radius of reference tool (VFST=**)
M02
EIOEMR5S1013R01
In actual programming, the three lines of program above are expressed in one line as indicated
below.
4297-E P-14
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
[Example]
CALL OO30 PAXI=#17H PLI=0 PY=10 (VFST=1)
φ or accurate length of reference tool Accurate radius of reference tool
EIOEMR5S1014R01
[Supplement]
1) When setting PLI, pay attention to the same point as explained in [2-1-1. Setting the Touch Sen-
sor Zero Point (Z-axis)].
2) Always set PY. If it is not set, “PY = 0” is assumed.
3) VFST may be set in this step instead of setting it first in the MDI mode.
As the program above is executed, the reference tool automatically comes into contact with the
Y-axis touch sensor, whereupon Y-axis zero offset is executed. Zero offset of both the Z and X
axes is executed at the same time.
How the reference tool moves during the execution of the program is explained in [2-1-4. Reference Tool Movements during Y-axis Touch Sensor Zero Point Setting].
The result is fed back to the offset data of system work coordinate system No. 4.
The set offset data can be checked by opening the MSB ZERO OFFSET (VSZO✽[N]) pop-up
window on the GAUGING RESULTS screen. The offset data of the X-, Y- and Z-axis is displayed at the X, Y, and Z columns, respectively.
[Supplement]
Since system work coordinate system No. 4 is used exclusively for the automatic tool length offset
and automatic tool breakage detection functions, it cannot normally be set nor referenced.
For the procedure for opening the MSB ZERO OFFSET (VSZO✽[N]) pop-up window, refer to [1-2-2.
MSB ZERO ON/OFF Function Key].
This completes the Y-axis touch sensor zero point setting.
2-1-4. Reference Tool Movements during Y-axis Touch Sensor Zero Point Setting
During the execution of the Y-axis touch sensor zero point setting, the reference tool moves as indicated below.
Machine operation
(1) The Z-axis moves at a rapid feedrate to the travel end in the positive (+) direction.
(2) The spindle is oriented.
(3) If the movable type sensor is used, the sensor moves back once and then moves forward.
(4) The Z-axis moves to the Y-axis touch sensor position (the position where the Z-axis was first
moved manually).
(5) The Y-axis moves at an approach feedrate until the reference tool comes into contact with the
touch sensor.
(6) The Y-axis comes to a stop when the reference tool comes into contact with the touch sensor.
Eeoemr5s1015
(7) The Y-axis moves at a rapid feedrate to the approach start position.
(8) The Z-axis moves at a rapid feedrate to the travel end in the positive (+) direction.
(9) If the movable type sensor is used, the sensor moves back.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
2-2. Setting the Tool Pot No./Tool No. Table
4297-E P-15
Set the correspondence between tool numbers and tool pot numbers in the tool pot number - tool
number correspondence table.
The table setting shown below uses a machine with 10-tool capacity magazine as an example.
Magazine capacity: 10 tools
Eeoemr5s1016
Assign a tool number
to each tool.
The total number of tools user for cutting
the various types of workpieces is 300.
Correspondence Table
Toolpot Number
1
2
3
4
5
6
7
8
9
10
Tool Number
1
2
3
20
30
31
32
105
270
271
Write the correspondence between the
tool number and the pot number on the
screen when tools in the magazine are
to be changed for new setup.
The memory of the OSP can hold the life
expectancy data of up to 300 tools.
Max. tool number:
Standard 50
Option 300
EIOEMR5S1015R01
The tool offset data obtained by the execution of an automatic tool length offset cycle is set for the
same offset number as the tool number of the tool presently being used (active tool).Similarly, the
tool offset number referred to and compared when the automatic tool breakage detection cycle is
executed is the same offset number as the tool number of the active tool.
[Supplement]
To automatically change a tool for a spare tool, tools must be registered in a tool group.
For the procedure for registering tools in a group, refer to the Tool Management Function section of
the special specifications of the Operation Manual.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
2-3. Operation Mode Designation
4297-E P-16
The basic operation mode of automatic tool length offset and automatic tool breakage detection is
designated by the system variable VFST.
Since the system variable VFST is backed up in the CNC memory, it only has to be designated
once: it does not have to be set each time the MSB of the automatic tool length offset/automatic tool
breakage detection cycle is called.
VFST consists of one byte (8 bits) and each bit has the following significance.
VFST
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Bit No Setting Description
Bit 0
Bit 1 1
Bit 2 1
Bit 3 1
Bit 4 0 Always set “0”.
Bit 5 0 Always set “0”.
Bit 6 0 Always set “0”.
Bit 7
0 Automatic tool breakage detection cycle
1 Automatic tool length offset cycle
Executes the automatic tool length offset/automatic tool breakage detection cycle in the Y-axis direction.
Executes the automatic tool length offset/automatic tool breakage detection cycle in the Y-axis direction after the execution of the automatic tool
length offset/automatic tool breakage detection cycle in the Z-axis direction.
To execute automatic tool length offset/automatic tool breakage detection cycle only in the Z-axis direction, set “0” for both Bit 1 and Bit 2.
Does not move the X-axis when positioning a reference tool at the touch
sensor position.
Set “1” for Bit 3 with machine models such as MCV in which the touch
sensor is installed independently of the X-axis movement.
Designates the relative offset type.
0
1
The tool length in reference to the reference tool used for zero point setting of a work coordinate system is used as the tool length offset data.
Designates the absolute offset type.
The length of the tool from the spindle nose surface is regarded as the
tool length offset data.
Eeoemr5s1017
EIOEMR5S1016R01
4297-E P-17
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
An example of VFST settings is given in the following table.
Model
MC-H
MC-V
MCV
MCR
MCM
(Vertical
spindle)
Relative/
Absolute
Offset Type
Relative
offset
Absolute
offset
Relative
offset
Absolute
offset
X-axis
Movement
Yes/No
Yes Only Z-axis offset
Yes Only Z-axis offset
No
No
Z-axis/Y-axis Offset
Only Z-axis offset
Only Y-axis offset
Y-axis offset after Z-
axis offset
Only Z-axis offset
Only Y-axis offset
Y-axis offset after Z-
axis offset
Automatic Tool Length Off-
set/Automatic Tool Break-
age Detection
Automatic tool length offset #01H
Automatic tool breakage
detection
Automatic tool length offset #81H
Automatic tool breakage
detection
Automatic tool length offset #09H
Automatic tool breakage
detection
Automatic tool length offset #0BH
Automatic tool breakage
detection
Automatic tool length offset #0DH
Automatic tool breakage
detection
Automatic tool length offset #89H
Automatic tool breakage
detection
Automatic tool length offset #8BH
Automatic tool breakage
detection
Automatic tool length offset #8DH
Automatic tool breakage
detection
VFST
Value
#00H
#80H
#08H
#0AH
#0CH
#88H
#8AH
#8CH
[Supplement]
Refer to [3-1. Automatic Tool Length Offset/Automatic Tool Breakage Detection Function for Horizontal Tools of MCM] for details of automatic tool length offset/automatic tool breakage detection
for the horizontal tools of MCM horizontal.
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
2-4. Automatic Tool Length Offset Function
4297-E P-18
The automatic tool length offset function automatically corrects the tool length according to the offset data set using the reference tool.
2-4-1. Z-axis Automatic Tool Length Offset
Automatic tool length offset in the Z-axis direction is executed in the manner indicated below.
NOTICE
Make sure that the zero point of the Z-axis touch sensor has been set before executing Z-axis
automatic tool length offset. Never execute Z-axis automatic tool length offset when the Z-axis
touch sensor zero point has not been set.
Procedure :
1 After selecting the MDI mode, input “VFST=✽✽”, and press the CYCLE START button.
Set an appropriate value for "✽✽" by referring to [2-3. Operation Mode Designation].
The set value can be confirmed by opening the VARIOUS DATA pop-up window on the GAUGING RESULTS screen. Refer to [1-2-5. VARIOUS ON/OFF Function Key].
2 Mount the tool for which automatic tool length offset is to be executed in the spindle.
When the tool is mounted in the spindle manually, make sure that the active tool number displayed on the ATC TOOL DISPLAY (MEMORY RANDOM) screen (for the ATC memory random
specification) or the POT NO./TOOL NO. TABLE (FIXED ADDRESS) screen (for the ATC fixed
address specification) agrees with the tool number of the tool mounted in the spindle.
This operation is not necessary when the tool is mounted in the spindle by executing the M06
command, either in automatic or MDI operation.
Eeoemr5s1018
Eeoemr5s1019
3 Execute the following program after selecting the automatic mode.
CALL OO30 (VFST=✽✽) (PLI = Anticipated tool length)
M02
When the program is executed, the tool is automatically brought into contact with the Z-axis
touch sensor and the tool length offset data is calculated and stored in the CNC memory.
The set tool length offset data can be checked by displaying the TOOL LENGTH OFFSET/
CUTTER RADIUS COMPENSATION screen of the TOOL DATA screen.
4297-E P-19
SECTION 1 AUTOMATIC TOOL LENGTH OFFSET/AUTOMATIC TOOL BREAKAGE DETECTION
The obtained results are also displayed on the GAUGING RESULTS screen
EIOEMR5S1017R01
This ends the Z-axis automatic tool length offset processing.
[Supplement]
1) VFST may be set in this step instead of setting it first in the MDI mode.
2) Set the anticipated tool length for PLI.
If no value is set for PLI, the value set for CNC optional parameter (long word) No. 43 (distance
from the spindle gauge line) is automatically set as the anticipated tool length.
Machine operation
During the execution of the Z-axis automatic tool length offset, the tool moves as indicated below.
(1) The Z-axis moves at a rapid feedrate to the travel end in the positive (+) direction.
(2) The spindle is oriented.
(3) The X- and Y-axis move at a rapid feedrate to align the tool nose with the center of the touch
sensor.
For tools whose nose is not at the center of the spindle, refer to items (6) PX and (7) PY in [6-3.
Explanation of Variables].
(4) The Z-axis moves at a fast approach feedrate until the tool comes into contact with the touch
sensor.
(5) The Z-axis comes to a stop when the reference tool comes into contact with the touch sensor.
(6) The Z-axis moves back several millimeters at a rapid feedrate.
(7) The Z-axis moves at an approach feedrate until the tool comes into contact with the touch sen-
sor again.
(8) The Z-axis comes to a stop when the reference tool comes into contact with the touch sensor.
The result of gauging is stored under the same tool length offset number as the tool number of
the active tool.
(9) The Z-axis moves at a rapid feedrate to the travel end in the positive (+) direction.
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