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

Page 420

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Cycles: Turning

12.29 THREAD EXTENDED (Cycle 832, DIN/ISO: G832)

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420

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

Angle of infeed Q467: Angle for the infeed Q463.
The reference angle is formed by the parallel line to
the thread pitch.
Type of infeed Q468: Define the type of infeed:

0

: Constant chip cross section (infeed lessens with

depth)

1

: Constant plunging depth

Starting angle Q470: Angle of the turning spindle at
which the thread start is to be made.
Number of starts Q475: Number of thread starts
Number of air cuts Q476: Number of air cuts
without infeed at finished thread depth