Siemens SINUMERIK 840D sl Operating Manual page 309

Parameter Description
Machining The following machining operations can be selected:
∇ (roughing)
•
∇∇∇ (finishing)
•
Direction Same direction of machining
•
•
Alternating direction of machining
•
•
The positions refer to the reference point:
X0 Corner point 1 in X
Y0 Corner point 1 in Y
Z0 Height of blank
X1 Corner point 2X (abs) or corner point 2X in relation to X0 (inc)
Y1 Corner point 2Y (abs) or corner point 2Y in relation to Y0 (inc)
Z1 Height of blank (abs) or height of blank in relation to Z0 (inc)
DXY Maximum plane infeed
Alternately, you can specify the plane infeed in %, as a ratio → plane infeed (mm) to the
milling cutter diameter (mm).
DZ Maximum depth infeed – (for roughing only)
UZ Finishing allowance, depth
* Unit of feedrate as programmed before the cycle call
Note
The same finishing allowance must be entered for both roughing and finishing. The finishing
allowance is used to position the tool for retraction.
Milling
Operating Manual, 09/2011, 6FC5398-7CP40-2BA0
Programming technological functions (cycles)
8.2 Milling
Unit
mm
mm
mm
mm
mm
mm
mm
%
mm
mm
309