Example: group of holes with several tools, Programming examples 7.6 – HEIDENHAIN TNC 128 (77184x-02) User Manual
Page 187

Programming examples
7.6
7
TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
187
Example: Group of holes with several tools
Program sequence:
Program the fixed cycles in the main program
Call the complete hole pattern (subprogram 1) in the
main program
Approach the groups of holes (subprogram 2) in
subprogram 1
Program the group of holes only once in subprogram
2
0 BEGIN PGM SP2 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-20
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S5000
Call tool: center drill
4 Z+250 R0 FMAX
Retract the tool
5 CYCL DEF 200 DRILLING
Cycle definition: CENTERING
Q200=2
;SET-UP CLEARANCE
Q202=-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=0.25
;DWELL TIME AT BOTTOM
6 CALL LBL 1
Call subprogram 1 for the entire hole pattern
7 Z+250 R0 FMAX M6
Tool change
8 TOOL CALL 2 Z S4000
Call tool: drill
9 FN 0: Q201 = -25
New depth for drilling
10 FN 0: Q202 = +5
New plunging depth for drilling
11 CALL LBL 1
Call subprogram 1 for the entire hole pattern
12 Z+250 R0 FMAX M6
Tool change
13 TOOL CALL 3 Z S500
Call tool: reamer