User`s manual for cycle programming

RADIAL RECESSING EXTENDED
(Cycle 842, DIN/ISO: G842)
12.17
12
HEIDENHAIN | TNC 640 | User’s manual for cycle programming | 9/2015
387
Turning depth compensation Q509: Depending
on factors such as workpiece material or feed rate,
the tool tip is displaced during a turning operation.
You can correct the resulting infeed error with the
turning depth compensation factor.
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.