Finishing The Contour Pocket - Siemens SINUMERIK 840D sl Operation/Programming Manual

08/2005
5
Peripheral surface Y:
C0 Reference point
X0 Reference point in X direction (abs.)
X1 Depth with reference to X0 (abs. or inc.)
DYZ Maximum infeed in the YZ plane
Plane infeed in %: Ratio of plane infeed (mm) to milling cutter diameter (mm)
DX Maximum depth infeed (X direction)
UYZ Finishing allowance in plane
UX Finishing allowance in depth
Retraction If more than one insertion point is necessary, specify the retraction height to which
mode the tool retracts between insertion points:
If there are no islands larger than Z0 (X0) in the pocket area, Z0 + safety clearance
(X0 + safety clearance) can be programmed as the retraction mode.

5.6.9 Finishing the contour pocket

♥ Siemens AG, 2005. All rights reserved
SINUMERIK 840D sl Operation/Programming ShopTurn (BAT) – 08/2005 Edition
 To retraction plane
 Z0+safety clearance (for end face/end face C and end face Y only) or
X0+safety clearance (for peripheral surface/peripheral surface C and peripheral
surface Y only)
If you programmed stock removal from the pocket with a finishing
allowance for the base or edge of the pocket, you still have to finish
the pocket.
Separate blocks must be programmed for finishing the base and/or for
finishing the edge. In each case, the pocket will only be machined
once.
ShopTurn takes into account any islands as was the case for
roughing.
You can program "Path milling" as an alternative to "Edge finishing".
Optimization possibilities are also offered for the approach/retract
strategy and the approach/retract mode. Then program as follows:
1. Contour Pocket
2. Contour Island
3. Remove stock (roughing)
4. Contour Pocket
5. Path milling (finishing)
6. Contour Island
7. Path milling (finishing)
ShopTurn Functions
5.6 Contour milling
5
Degrees
mm
mm
mm
%
mm
mm
mm
5-297