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Programming the first part 1.3 – HEIDENHAIN TNC 640 (34059x-04) User Manual

Page 59

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Programming the first part

1.3

1

TNC 640 | User's Manual

HEIDENHAIN Conversational Programming | 3/2014

59

Enter Retract tool: Press the orange axis key

Z in

order to get clear in the tool axis, and enter the

value for the position to be approached, e.g. 250.
Press the

ENT key

Radius comp.: Confirm RL/RR/No comp.? with
the

ENT key: Activate no radius compensation

Confirm

Feed rate F=? with the ENT key: Move at

rapid traverse (

FMAX)

Miscellaneous function M? Enter M2 to enter end
of program, then confirm with the

END key. The

TNC stores the entered positioning block

Example NC blocks

0 BEGIN PGM C200 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 5 Z S4500

Tool call

4 L Z+250 R0 FMAX

Retract the tool

5 PATTERN DEF

POS1 (X+10 Y+10 Z+0)

POS2 (X+10 Y+90 Z+0)

POS3 (X+90 Y+90 Z+0)

POS4 (X+90 Y+10 Z+0)

Define the machining positions

6 CYCL DEF 200 DRILLING

Define the cycle

Q200=2

;SET-UP CLEARANCE

Q201=-20

;DEPTH

Q206=250

;FEED RATE FOR PLNGNG

Q202=5

;INFEED DEPTH

Q210=0

;DWELL TIME AT TOP

Q203=-10

;SURFACE COORDINATE

Q204=20

;SECOND SET-UP CLEARANCE

Q211=0.2

;DWELL TIME AT DEPTH

7 CYCL CALL PAT FMAX M13

Spindle and coolant on, call the cycle

8 L Z+250 R0 FMAX M2

Retract the tool, end program

9 END PGM C200 MM

Further information on this topic

Creating a new program: See "Opening programs and entering",

page 95
Cycle programming: See User's Manual for Cycles, "Cycle

fundamentals / Overviews"