HEIDENHAIN TNC 320 User Manual page 410

16.14 Programming Examples
Example: Measuring and reworking a rectangular stud
Program sequence:
Roughing with 0.5 mm finishing allowance
Measuring
Rectangular stud finishing in accordance with
the measured values
0 BEGIN PGM BEAMS MM
1 TOOL CALL 69 Z
2 L Z+100 R0 FMAX
3 FN 0: Q1 = +81
4 FN 0: Q2 = +61
5 CALL LBL 1
6 L Z+100 R0 FMAX
7 TOOL CALL 99 Z
8 TCH PROBE 424 MEAS. RECTAN. OUTS.
Q273=+50 ;CENTER IN 1ST AXIS
Q274=+50 ;CENTER IN 2ND AXIS
Q282=80 ;1ST SIDE LENGTH
Q283=60 ;2ND SIDE LENGTH
Q261=-5 ;MEASURING HEIGHT
Q320=0 ;SET-UP CLEARANCE
Q260=+30 ;CLEARANCE HEIGHT
Q301=0 ;MOVE TO CLEARANCE
Q284=0 ;MAX. LIMIT 1ST SIDE
410
Tool call for roughing
Retract the tool
Pocket length in X (roughing dimension)
Pocket length in Y (roughing dimension)
Call subprogram for machining
Retract the tool, change the tool
Call the touch probe
Measure the rough-milled rectangle
Nominal length in X (final dimension)
Nominal length in Y (final dimension)
Input values for tolerance checking not required
Touch Probe Cycles: Automatic Workpiece Inspection