HEIDENHAIN TNC 640 (34059x-05) Cycle programming User Manual

Page 176

Fixed Cycles: Pocket Milling / Stud Milling / Slot Milling

5.9

Programming Examples

176

TNC 640 | User's Manual Cycle Programming | 1/2015

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

8 L X+50 Y+50 R0 FMAX M99

Call CIRCULAR POCKET MILLING cycle

9 L Z+250 R0 FMAX M6

Tool change

10 TOLL 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 DIA.

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 MILLING