Example: group of holes with several tools – HEIDENHAIN TNC 620 (81760x-02) ISO programming User Manual
Page 286

Programming: Subprograms and program section repeats
8.6
Programming examples
8
286
TNC 620 | User's ManualDIN/ISO Programming | 2/2015
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
%SP2 G71 *
N10 G30 G17 X+0 Y+0 Z-40 *
N20 G31 G90 X+100 Y+100 Z+0 *
N30 T1 G17 S5000 *
Centering drill tool call
N40 G00 G40 G90 Z+250 *
Retract the tool
N50 G200
Define the CENTERING cycle
Q200=2
;SET-UP CLEARANCE
Q201=-3
;
Q206=250
;FEED RATE FOR PLNGNG
Q202=3
;
Q210=0
;
Q203=+0
;SURFACE COORDINATE
Q204=10
;
Q211=0.2
;DWELL TIME AT DEPTH
Q395=0
;DEPTH REFERENCE
N60 L1,0 *
Call subprogram 1 for the entire hole pattern
N70 G00 Z+250 M6 *
Tool change
N80 T2 G17 S4000 *
Drill tool call
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 *
Reamer tool call
N140 G201 REAMING
Cycle definition: REAMING
Q200=2
;SET-UP CLEARANCE
Q201=-15
;
Q206=250
;FEED RATE FOR PLNGNG
Q211=0.5
;DWELL TIME AT DEPTH
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