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

Page 327

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TURN CONTOUR-PARALLEL

(Cycle 815, DIN/ISO: G815)

13.10

13

TNC 640 | User's Manual Cycle Programming | 3/2014

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
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