Programming Examples; Example: Roughing-Out And Fine-Roughing A Pocket - HEIDENHAIN TNC 620 User Manual

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Programming Examples

Example: Roughing-out and fine-roughing a pocket

0 BEGIN PGM C20 MM
1 BLK FORM 0.1 Z X-10 Y-10 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 GEOMETRY
6 CYCL DEF 14.1 CONTOUR LABEL 1
7 CYCL DEF 20 CONTOUR DATA
Q1=-20 ;MILLING DEPTH
Q2=1 ;TOOL PATH OVERLAP
Q3=+0 ;ALLOWANCE FOR SIDE
Q4=+0 ;ALLOWANCE FOR FLOOR
Q5=+0 ;SURFACE COORDINATE
Q6=2 ;SET-UP CLEARANCE
Q7=+100 ;CLEARANCE HEIGHT
Q8=0.1 ;ROUNDING RADIUS
Q9=-1 ;DIRECTION
8 CYCL DEF 22 ROUGH-OUT
Q10=5 ;PLUNGING DEPTH
Q11=100 ;FEED RATE FOR PLNGNG
Q12=350 ;FEED RATE FOR ROUGH-OUT
Q18=0 ;COARSE ROUGHING TOOL
Q19=150 ;RECIPROCATION FEED RATE
Q208=30000 ;RETRACTION FEED RATE
9 CYCL CALL M3
10 L Z+250 R0 FMAX M6
TNC 620 | User's Manual Cycle Programming | 3/2014
Programming Examples
Definition of workpiece blank
Tool call: coarse roughing tool, diameter 30
Retract the tool
Define contour subprogram
Define general machining parameters
Cycle definition: Coarse roughing
Cycle call: Coarse roughing
Tool change
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