Cycle parameters – HEIDENHAIN TNC 640 (34059x-05) Cycle programming User Manual
Page 357

TURN SHOULDER FACE EXTENDED
(Cycle 822, DIN/ISO: G822)
12.12
12
TNC 640 | User's Manual Cycle Programming | 1/2015
357
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 (incremental): Distance for
retraction and pre-positioning.
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 face Q495: Angle between the face and
the rotary axis
Type of starting element Q501: Define the type of
element at the start of the contour (circumferential
surface):
0
: No additional element
1
: Element is a chamfer
2
: Element is a radius
Q460
Ø Q491
Q494
Ø Q493
Q463
Ø Q483
Q484
Q492