HEIDENHAIN TNC 640 (34059x-05) Cycle programming - Manual (Page 518)

Touch Probe Cycles: Automatic Datum Setting
15.14 Example: Datum setting in center of a circular segment and on top
surface of workpiece
15
518
TNC 640 | User's Manual Cycle Programming | 1/2015
15.14 Example: Datum setting in center
of a circular segment and on top
surface of workpiece
0 BEGIN PGM CYC413 MM
1 TOOL CALL 69 Z
Call tool 0 to define the touch probe axis
2 TCH PROBE 413 DATUM OUTSIDE CIRCLE
Q321=+25 ;CENTER 1ST AXIS
Center of circle: X coordinate
Q322=+25 ;CENTER 2ND AXIS
Center of circle: Y coordinate
Q262=30 ;NOMINAL DIAMETER
Circle diameter
Q325=+90 ;STARTING ANGLE Polar coordinate angle for 1st touch point
Q247=+45 ;STEPPING ANGLE Stepping angle for calculating the starting points 2 to 4
Q261=-5 ;MEASURING HEIGHT Coordinate in the touch probe axis in which the
measurement is made
Q320=2 ;SET-UP CLEARANCE Safety clearance in addition to SET_UP column
Q260=+10 ;CLEARANCE HEIGHT Height in the touch probe axis at which the probe can
traverse without collision
Q301=0 ;MOVE TO CLEARANCE Do not move to clearance height between measuring points
Q305=0 ;NO. IN TABLE Set display
Q331=+0 ;DATUM Set the display in X to 0
Q332=+10 ;DATUM Set the display in Y to 10
Q303=+0 ;MEAS. VALUE TRANSFER Without function, since display is to be set
Q381=1 ;PROBE IN TS AXIS Also set datum in the touch probe axis
Q382=+25 ;1ST CO. FOR TS AXIS X coordinate of touch point
Q383=+25 ;2ND CO. FOR TS AXIS Y coordinate of touch point
Q384=+25 ;3RD CO. FOR TS AXIS Z coordinate of touch point
Q333=+0 ;DATUM Set the display in Z to 0
Q423=4 ;NO. OF PROBE POINTS Measure circle with 4 probes
Q365=0 ;TYPE OF TRAVERSE Move on circular path between measuring points
3 CALL PGM 35K47 Call part program
4 END PGM CYC413 MM