Cycle parameters – HEIDENHAIN TNC 640 (34059x-04) Cycle programming User Manual
Page 363

AXIAL RECESSING EXTENDED
(Cycle 852, DIN/ISO: G852)
13.20
13
TNC 640 | User's Manual Cycle Programming | 3/2014
363
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
Angle of side Q495: Angle between the side at the
contour starting point and the parallel line to the
rotary axis
Ø Q483
Q484
Q460
Ø Q491
Q492
Ø Q493
Q494
Q463