HEIDENHAIN TNC 640 (34059x-05) Cycle programming - Manual (Page 350)

Cycles: Turning
12.10 TURN CONTOUR-PARALLEL
(Cycle 815, DIN/ISO: G815)
12
350
TNC 640 | User's Manual Cycle Programming | 1/2015
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.
Oversize for blank Q485 (incremental): Contour-
parallel oversize for the defined contour
Cutting lines Q486: Define the type of cutting lines:
0 : Cuts with constant chip cross section
1 : Equidistant proportioning of cuts
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
(radius value) in radial direction. The infeed is divided
evenly to avoid abrasive cuts. Input range 0.001 to
999.999
Q460
Ø Q483
Q458
Q463
Q484