HEIDENHAIN TNC 320 - Page 172

Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling
5.10 Programming Examples
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HEIDENHAIN | TNC 320 | User’s manual for cycle programming | 9/2016
Q351=+1 ;CLIMB OR UP-CUT
Q201=-30 ;DEPTH
Q202=5 ;PLUNGING DEPTH
Q369=0.1 ;ALLOWANCE FOR FLOOR
Q206=150 ;FEED RATE FOR PLNGNG
Q338=5 ;INFEED FOR FINISHING
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP CLEARANCE
Q370=1 ;TOOL PATH OVERLAP
Q366=1 ;PLUNGE
Q385=750 ;FINISHING FEED RATE
Q439=0 ;FEED RATE REFERENCE
8 L X+50 Y+50 R0 FMAX M99
Call CIRCULAR POCKET MILLING cycle
9 L Z+250 R0 FMAX M6
Tool change
10 TOOL CALL 2 Z S5000
Call tool: slotting mill
11 CYCL DEF 254 CIRCULAR SLOT
Define SLOT cycle
Q215=0 ;MACHINING OPERATION
Q219=8 ;SLOT WIDTH
Q368=0.2 ;ALLOWANCE FOR SIDE
Q375=70 ;PITCH CIRCLE DIAMETR
Q367=0 ;REF. SLOT POSITION
No pre-positioning in X/Y required
Q216=+50 ;CENTER IN 1ST AXIS
Q217=+50 ;CENTER IN 2ND AXIS
Q376=+45 ;STARTING ANGLE
Q248=90 ;ANGULAR LENGTH
Q378=180 ;STEPPING ANGLE
Starting point for second slot
Q377=2 ;NR OF REPETITIONS
Q207=500 ;FEED RATE FOR MILLNG
Q351=+1 ;CLIMB OR UP-CUT
Q201=-20 ;DEPTH
Q202=5 ;PLUNGING DEPTH
Q369=0.1 ;ALLOWANCE FOR FLOOR
Q206=150 ;FEED RATE FOR PLNGNG
Q338=5 ;INFEED FOR FINISHING
Q200=2 ;SET-UP CLEARANCE
Q203=+0 ;SURFACE COORDINATE
Q204=50 ;2ND SET-UP CLEARANCE
Q366=1 ;PLUNGE
Q385=500 ;FINISHING FEED RATE
Q439=0 ;FEED RATE REFERENCE
12 CYCL CALL FMAX M3
Call SLOT cycle