Example: groups of holes – HEIDENHAIN TNC 620 (81760x-02) ISO programming User Manual
Page 284

Programming: Subprograms and program section repeats
8.6
Programming examples
8
284
TNC 620 | User's ManualDIN/ISO Programming | 2/2015
Example: Groups of holes
Program sequence:
Approach the groups of holes in the main program
Call the group of holes (subprogram 1) in the main
program
Program the group of holes only once in subprogram
1
%SP1 G71 *
N10 G30 G17 X+0 Y+0 Z-40 *
N20 G31 G90 X+100 Y+100 Z+0 *
N30 T1 G17 S3500 *
Tool call
N40 G00 G40 G90 Z+250 *
Retract the tool
N50 G200
Define the DRILLING cycle
Q200=2
;SET-UP CLEARANCE
Q201=-30
;DEPTH
Q206=300
;FEED RATE FOR PLNGNG
Q202=5
;
Q210=0
;DWELL TIME AT TOP
Q203=+0
;SURFACE COORDINATE
Q204=2
;2ND SET-UP CLEARANCE
Q211=0
;DWELL TIME AT DEPTH
Q395=0
;
N60 X+15 Y+10 M3 *
Move to starting point for group 1
N70 L1,0 *
Call the subprogram for the group
N80 X+45 Y+60 *
Move to starting point for group 2
N90 L1,0 *
Call the subprogram for the group
N100 X+75 Y+10 *
Move to starting point for group 3
N110 L1,0 *
Call the subprogram for the group
N120 G00 Z+250 M2 *
End of main program
N130 G98 L1 *
Beginning of subprogram 1: Group of holes
N140 G79 *
Call cycle for 1st hole
N150 G91 X+20 M99 *
Move to 2nd hole, call cycle
N160 Y+20 M99 *
Move to 3rd hole, call cycle
N170 X-20 G90 M99 *
Move to 4th hole, call cycle
N180 G98 L0 *
End of subprogram 1