HEIDENHAIN iTNC 530 User Manual page 271

Example: Group of holes with several tools
Program sequence
Program the fixed cycles in the main program
Call the entire hole pattern (subprogram 1)
Approach the groups of holes in subprogram
1, call group of holes (subprogram 2)
Program the group of holes only once in
subprogram 2
%UP2 G71 *
N10 G30 G17 X+0 Y+0 Z-40 *
N20 G31 G90 X+100 Y+100 Z+0 *
N60 T1 G17 S5000 *
N70 G00 G40 G90 Z+250 *
N80 G200 DRILLING
Q200=2 ;SET-UP CLEARANCE
Q201=-3 ;DEPTH
Q206=250 ;FEED RATE FOR PLNGNG
Q202=3 ;PLUNGING DEPTH
Q210=0 ;DWELL TIME AT TOP
Q203=+0 ;SURFACE COORDINATE
Q204=10 ;2ND SET-UP CLEARANCE
Q211=0.2 ;DWELL TIME AT DEPTH
N90 L1,0 *
HEIDENHAIN iTNC 530
Call tool: center drill
Retract the tool
Cycle definition: CENTERING
Call subprogram 1 for the entire hole pattern
271