HEIDENHAIN TNC 620 (34056x-04) Cycle programming - Manual (Page 353)

Example: Datum setting on top surface of workpiece and in center
of a bolt hole circle
15.15
15
TNC 620 | User's Manual Cycle Programming | 5/2013
353
15.15 Example: Datum setting on top surface
of workpiece and in center of a bolt
hole circle
The measured bolt hole center shall be written in the
preset table so that it may be used at a later time.
0 BEGIN PGM CYC416 MM
1 TOOL CALL 69 Z
Call tool 0 to define the touch probe axis
2 TCH PROBE 417 DATUM IN TS AXIS Cycle definition for datum setting in the touch probe axis
Q263=+7.5 ;1ST POINT 1ST AXIS
Touch point: X coordinate
Q264=+7.5 ;1ST POINT 2ND AXIS
Touch point: Y coordinate
Q294=+25 ;1ST POINT 3RD AXIS
Touch point: Z coordinate
Q320=0 ;SET-UP CLEARANCE
Safety clearance in addition to SET_UP column
Q260=+50 ;CLEARANCE HEIGHT
Height in the touch probe axis at which the probe can
traverse without collision
Q305=1 ;NO. IN TABLE Write Z coordinate in line 1
Q333=+0 ;DATUM Set touch-probe axis to 0
Q303=+1 ;MEAS. VALUE TRANSFER In the preset table PRESET.PR, save the calculated datum
referenced to the machine-based coordinate system (REF
system)
3 TCH PROBE 416 DATUM CIRCLE CENTER
Q273=+35 ;CENTER IN 1ST AXIS Center of the bolt hole circle: X coordinate
Q274=+35 ;CENTER IN 2ND AXIS Center of the bolt hole circle: Y coordinate
Q262=50 ;NOMINAL DIAMETER Diameter of the bolt hole circle
Q291=+90 ;ANGLE OF 1ST HOLE Polar coordinate angle for 1st hole center 1
Q292=+180 ;ANGLE OF 2ND HOLE Polar coordinate angle for 2nd hole center 2
Q293=+270 ;ANGLE OF 3RD HOLE Polar coordinate angle for 3rd hole center 3
Q261=+15 ;MEASURING HEIGHT Coordinate in the touch probe axis in which the
measurement is made
Q260=+10 ;CLEARANCE HEIGHT Height in the touch probe axis at which the probe can
traverse without collision
Q305=1 ;NO. IN TABLE Enter center of bolt hole circle (X and Y) in line 1
Q331=+0 ;DATUM
Q332=+0 ;DATUM