Example: group of holes with several tools, Programming examples 7.6 – HEIDENHAIN TNC 320 (34055x-06) ISO programming User Manual
Page 207

Programming examples
7.6
7
TNC 320 | User's Manual for DIN/ISO Programming | 5/2013
207
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
%SP2 G71 *
N10 G30 G17 X+0 Y+0 Z-40 *
N20 G31 G90 X+100 Y+100 Z+0 *
N30 T1 G17 S5000 *
Call tool: center drill
N40 G00 G40 G90 Z+250 *
Retract the tool
N50 G200 DRILLING
Define the CENTERING cycle
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 BOTTOM
N60 L1,0 *
Call subprogram 1 for the entire hole pattern
N70 G00 Z+250 M6 *
Tool change
N80 T2 G17 S4000 *
Call tool: drill
N90 D0 Q201 P01 -25 *
New depth for drilling
N100 D0 Q202 P01 +5 *
New plunging depth for drilling
N110 L1,0 *
Call subprogram 1 for the entire hole pattern
N120 G00 Z+250 M6 *
Tool change
N130 T3 G17 S500 *
Call tool: reamer
N140 G201 REAMING
Cycle definition: REAMING
Q200=2
;SET-UP CLEARANCE
Q201=-15
;DEPTH
Q206=250
;FEED RATE FOR PLNGNG
Q211=0.5
;DWELL TIME AT BOTTOM
Q208=400
;RETRACTION FEED RATE
Q203=+0
;SURFACE COORDINATE
Q204=10
;2ND SET-UP CLEARANCE
N150 L1,0 *
Call subprogram 1 for the entire hole pattern
N160 G00 Z+250 M2 *
End of main program