beautypg.com

HEIDENHAIN TNC 426 (280 476) User Manual

Page 283

background image

256

8 Programming: Cycles

8.3 Cy

cles f

o

r Dr

illing, T

a

pping and Thr

ead Milling

14 LBL 1

Subprogram 1: Thread cutting

15 CYCL DEF 13.0 ORIENTATION

Define the spindle angle (makes it possible to cut repeatedly)

16 CYCL DEF 13.1 ANGLE 0

17 L M19

Orient the spindle (machine-specific M function)

18 L IX-2 R0 F1000

Tool offset to prevent collision during tool infeed (dependent

on core diameter and tool)

19 L Z+5 R0 F MAX

Pre-position in rapid traverse

20 L Z-30 R0 F1000

Move to starting depth

21 L IX+2

Reset the tool to hole center

22 CYCL CALL

Call Cycle 18

23 L Z+5 R0 F MAX

Retract tool

24 LBL 0

End of subprogram 1

25 END PGM C18 MM

This manual is related to the following products: