HEIDENHAIN TNC 640 (34059x-02) Cycle programming - Manual (Page 334)

Cycles: Turning
13.17 RADIAL RECESSING EXTENDED
(Cycle 842, DIN/ISO: G842)
13
334
TNC 640 | User's Manual Cycle Programming | 5/2013
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
Diameter at contour start Q491: X coordinate of
the contour starting point (diameter value)
Contour start in Z Q492: Z coordinate of the
contour starting point
Diameter at end of contour Q493: X coordinate of
the contour end point (diameter value)
Contour end in Z Q494: Z coordinate of the contour
end point
Q460
Ø Q493
Ø Q491
Q492
Q494
Q463
Ø Q483
Q484