HEIDENHAIN TNC 640 (34059x-02) Cycle programming - Manual (Page 339)

RECESSING CONTOUR RADIAL
(Cycle 840, DIN/ISO: G840)
13.18
13
TNC 640 | User's Manual Cycle Programming | 5/2013
339
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.
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