HEIDENHAIN TNC 620 Programming Station, User Manual

Page: 320 / 695

Subprograms and program section repeats
8.6 Programming examples
8
320
HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
Example: Groups of holes
Program run:
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 DRILLING
Define the DRILLING cycle
Q200=2 ;SET-UP CLEARANCE
Q201=-30 ;DEPTH
Q206=300 ;FEED RATE FOR PLNGNG
Q202=5 ;PLUNGING DEPTH
Q210=0 ;DWELL TIME AT TOP
Q203=+0 ;SURFACE COORDINATE
Q204=2 ;2ND SET-UP CLEARANCE
Q211=0 ;DWELL TIME AT DEPTH
Q395=0 ;DEPTH REFERENCE
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
N99999999 %UP1 G71 *