Cycle Parameters - HEIDENHAIN TNC 640 User Manual

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Cycle parameters

Q471 Thread position (0=ext./1=int.)?: Define

the position of the thread:

0: External thread

1: Internal thread

Q461 Thread orientation (0/1)?: Define the

direction of the thread pitch:

0: Longitudinal (parallel to the rotary axis)

1: Lateral (perpendicular to the rotary axis)

Q460 Set-up clearance?: Set-up clearance

perpendicular to thread pitch.

Q472 Thread pitch?: Pitch of the thread

Q473 Thread depth (radius)? (incremental):

Depth of the thread. If you enter 0, the depth is

assumed for a metric thread based on the pitch

Q474 Length of thread runout? (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.

Cycles: Turning | CONTOUR-PARALLEL THREAD

(Cycle 830, DIN/ISO: G830)

HEIDENHAIN | User's manual for cycle programming | 10/2017