HEIDENHAIN TNC 640 User Manual page 708

19
Touch Probe Cycles: Automatic Kinematics Measurement | PRESET COMPENSATION (Cycle 452, DIN/
Measure the drift of the axes at regular intervals.
Insert the touch probe
Activate the preset in the calibration sphere.
Use Cycle 452 to measure the kinematics.
The preset and the position of the calibration sphere must not be
changed during the complete process
This procedure can also be performed on machines
without rotary axes.
708
Drift compensation
4 TOOL CALL "TCH PROBE" Z
5 TCH PROBE 452 PRESET
COMPENSATION
Q407=12.5 ;SPHERE RADIUS
Q320=0 ;SET-UP CLEARANCE
Q408=0 ;RETR. HEIGHT
Q253=99999;F PRE-POSITIONING
Q380=+45 ;REFERENCE ANGLE
Q411=-90 ;START ANGLE A AXIS
Q412=+90 ;END ANGLE A AXIS
Q413=45 ;INCID. ANGLE A AXIS
Q414=4 ;MEAS. POINTS A AXIS
Q415=-90 ;START ANGLE B AXIS
Q416=+90 ;END ANGLE B AXIS
Q417=0 ;INCID. ANGLE B AXIS
Q418=2 ;MEAS. POINTS B AXIS
Q419=+90 ;START ANGLE C AXIS
Q420=+270 ;END ANGLE C AXIS
Q421=0 ;INCID. ANGLE C AXIS
Q422=3 ;MEAS. POINTS C AXIS
Q423=3 ;NO. OF PROBE POINTS
Q432=0 ;BACKLASH, ANG. RANGE
HEIDENHAIN | User's manual for cycle programming | 10/2017
ISO: G452, option)