HEIDENHAIN TNC 640 (34059x-02) Cycle programming - Manual (Page 162)

Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling
5.8 Programming Examples
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TNC 640 | User's Manual Cycle Programming | 5/2013
5.8 Programming Examples
Example: Milling pockets, studs and slots
0 BEGINN PGM C210 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z-40
Definition of workpiece blank
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL CALL 1 Z S3500
Call the tool for roughing/finishing
4 L Z+250 R0 FMAX Retract the tool
5 CYCL DEF 256 RECTANGULAR STUD
Define cycle for machining the contour outside
Q218=90 ;FIRST SIDE LENGTH
Q424=100 ;WORKPC. BLANK SIDE 1
Q219=80 ;2ND SIDE LENGTH
Q425=100 ;WORKPC. BLANK SIDE 2
Q220=0 ;CORNER RADIUS
Q368=0 ;ALLOWANCE FOR SIDE
Q224=0 ;ANGLE OF ROTATION
Q367=0 ;STUD POSITION
Q207=250 ;FEED RATE FOR MILLING
Q351=+1 ;CLIMB OR UP-CUT
Q201=-30 ;DEPTH
Q202=5 ;PLUNGING DEPTH
Q206=250 ;FEED RATE FOR PLNGNG
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE
Q204=20 ;2ND SET-UP CLEARANCE
Q370=1 ;TOOL PATH OVERLAP
Q437=0 ;APPROACH POSITION
6 L X+50 Y+50 R0 M3 M99 Call cycle for machining the contour outside
7 CYCL DEF 252 CIRCULAR POCKET
Define CIRCULAR POCKET MILLING cycle
Q215=0 ;MACHINING OPERATION
Q223=50 ;CIRCLE DIAMETER
Q368=0.2 ;ALLOWANCE FOR SIDE
Q207=500 ;FEED RATE FOR MILLING
Q351=+1 ;CLIMB OR UP-CUT