HEIDENHAIN TNC 640 (34059x-02) Cycle programming - Manual (Page 327)

TURN CONTOUR FACE
(Cycle 820, DIN/ISO: G820)
13.15
13
TNC 640 | User's Manual Cycle Programming | 5/2013
327
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
Reverse contour Q499: Define the machining
direction of the contour:
0 : Contour machined in the programmed direction
1 : Contour machined in reverse direction to the
programmed direction
Maximum cutting depth Q463: Maximum infeed in
axial direction. The infeed is divided evenly to avoid
abrasive cuts.
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.
Q460
Q463
Ø Q483
Q484