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

Page 380

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Cycles: Turning

12.18 RECESSING CONTOUR RADIAL

(Cycle 840, DIN/ISO: G840)

12

380

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

Cycle parameters

Machining operation Q215: Define machining
operation:

0

: Roughing and finishing

1

: Only roughing

2

: Only finishing to finished dimension

3

: Only finishing to oversize

Set-up clearance Q460: Reserved, currently
without function
Roughing feed rate Q478: Feed rate during
roughing. If M136 has been programmed, the
value is interpreted by the TNC in millimeters per
revolution, without M136 in millimeters per minute.
Feed rate for plunging Q488: Feed rate for
machining of plunging elements. This input value
is optional. If it is not programmed, the feed rate
defined for turning is effective.
Oversize in diameter Q483 (incremental): Diameter
oversize for the defined contour
Oversize in Z Q484 (incremental): Oversize for the
defined contour in axial direction

Q460

Q484

Ø Q483

Q463