Example: Pilot Drilling, Roughing-Out And Finishing Overlapping Contours - HEIDENHAIN TNC 640 User Manual

7
Example: Pilot drilling, roughing-out and finishing
overlapping contours
0 BEGIN PGM C21 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S2500
4 L Z+250 R0 FMAX
5 CYCL DEF 14.0 CONTOUR
6 CYCL DEF 14.1 CONTOUR LABEL 1/2/3/4
7 CYCL DEF 20 CONTOUR DATA
Q1=-20
Q2=1
Q3=+0.5
Q4=+0.5
Q5=+0
Q6=2
Q7=+100
Q8=0.1
Q9=-1
8 CYCL DEF 21 PILOT DRILLING
Q10=5
Q11=250
Q13=2
9 CYCL CALL M3
10 L +250 R0 FMAX M6
11 TOOL CALL 2 Z S3000
12 CYCL DEF 22 ROUGH-OUT
Q10=5
Q11=100
254
;MILLING DEPTH
;TOOL PATH OVERLAP
;ALLOWANCE FOR SIDE
;ALLOWANCE FOR FLOOR
;SURFACE COORDINATE
;SET-UP CLEARANCE
;CLEARANCE HEIGHT
;ROUNDING RADIUS
;ROTATIONAL DIRECTION
;PLUNGING DEPTH
;FEED RATE FOR PLNGNG
;ROUGH-OUT TOOL
;PLUNGING DEPTH
;FEED RATE FOR PLNGNG
Fixed Cycles: Contour Pocket | Programming Examples
Definition of workpiece blank
Tool call: Drill, diameter 12
Retract the tool
Define contour subprogram
Define general machining parameters
Cycle definition: Pilot drilling
Cycle call: Pilot drilling
Tool change
Call the tool for roughing/finishing, diameter 12
Cycle definition: Rough-out
HEIDENHAIN | User's manual for cycle programming | 10/2017