HEIDENHAIN TNC 640 (34059x-04) Cycle programming - Manual (Page 398)

Cycles: Turning
13.30 CONTOUR-PARALLEL THREAD
(Cycle 830, DIN/ISO: G830)
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TNC 640 | User's Manual Cycle Programming | 3/2014
Cycle parameters
Thread position Q471: Define the position of the
thread:
0 : External thread
1
: Internal thread
Thread orientationQ461: Define the direction of
the thread pitch:
0 : Longitudinal (parallel to the rotary axis)
1 : Lateral (perpendicular to the rotary axis)
Set-up clearance Q460: Set-up clearance
perpendicular to thread pitch.
Thread pitch Q472: Pitch of the thread.
Depth of thread Q473 (incremental): Depth of the
thread. If you enter 0, the depth is assumed for a
metric thread based on the pitch.
Runout of thread Q474 (incremental): Length of the
path on which, at the end of the thread, the tool is
lifted from the current plunging depth to the thread
diameter Q460.
Q460
Q472
Q473