Cycle parameters – HEIDENHAIN TNC 640 (34059x-02) Cycle programming User Manual
Page 309

TURN CONTOUR-PARALLEL
(Cycle 815, DIN/ISO: G815)
13.10
13
TNC 640 | User's Manual Cycle Programming | 5/2013
309
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.
Q460
Ø Q483
Q458
Q463
Q484