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10 programming examples, Example: roughing-out and fine-roughing a pocket – HEIDENHAIN TNC 640 (34059x-01) Cycle programming User Manual

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Fixed Cycles: Contour Pocket

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amming Examples

7.10 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

Definition of workpiece blank

3 TOOL CALL 1 Z S2500

Tool call: coarse roughing tool, diameter 30

4 L Z+250 R0 FMAX

Retract the tool

5 CYCL DEF 14.0 CONTOUR GEOMETRY

Define contour subprogram

6 CYCL DEF 14.1 CONTOUR LABEL 1

7 CYCL DEF 20 CONTOUR DATA

Define general machining parameters

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

X

Y

30

30

R30

R20

60°

55

10

10