Siemens SINUMERIK 840D Operating Manual page 395

Parameters Description
The machining direction depends on the stock removal direction and choice of tool.
Position 



D Maximum depth infeed - (only for ∇)
XDA 1. Grooving limit tool (abs) – (only for face machining direction)
XDB 2. Grooving limit tool (abs) – (only for face machining direction)
DX Maximum depth infeed - (only for parallel to the contour, as an alternative to D)
Do not round contour at end of cut.
Always round contour at end of cut.
Uniform cut segmentation
Round cut segmentation at the edge
Constant cutting depth
Alternating cutting depth - (only with align cut segmentation to edge)
Allowance Allowance for pre-finishing - (only for ∇∇∇)


U1 Compensation allowance in X and Z direction (inc) – (only for allowance)


Set machining area Set machining area limits
limits


Relief cuts Machine relief cuts


FR Insertion feedrate, relief cuts
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
front
back
internal
external
Yes
U1 contour allowance
No
Positive value: Compensation allowance is kept
Negative value: Compensation allowance is removed in addition to finishing
allowance
Yes
– XA: 1. Limit XA ∅
– XB: 2nd limit XB ∅ (abs) or 2nd limit referred to XA (inc)
– ZA: 1. Limit ZA
– ZB: 2nd limit ZB (abs) or 2nd limit referred to ZA
No
Yes
No
Programming technological functions (cycles)
8.5 Contour turning - only for G code programs
Unit
mm
mm
mm
mm
s
mm
395