Siemens sinumerik 840D sl Operating Manual page 355

Parameter Description
Face C: The positions refer to the reference point:
X0 Reference point X – (only for single position)
Y0 Reference point Y – (only for single position)
Z0 Reference point Z – (only for single position)
(only for
ShopTurn)
Face Y: The positions refer to the reference point:
CP Positioning angle for machining area – (only single position)
X0 or L0 Reference point X or reference point length polar – (only for single position)
Y0 or C0 Reference point Y or reference point angle polar – (only for single position)
Z0 Reference point Z – (only for single position)
(only for
ShopTurn)
Peripheral surface C: The positions refer to the reference point:
Y0 or C0 Reference point Y or reference point angle polar – (only for single position)
Z0 Reference point Z – (only for single position)
X0 Cylinder diameter ∅ – (only for single position)
(only for
ShopTurn)
Peripheral surface Y: The positions refer to the reference point:
C0 Positioning angle for machining surface – (only for single position)
Y0 Reference point Y – (only for single position)
Z0 Reference point Z – (only for single position)
X0 Reference point X – (only for single position)
(only for
ShopTurn)
W Slot width
L Slot length
α0 Angle of rotation of slot
Face: α0 refers to the X axis or to the position of C0 with a polar reference point
Peripheral surface: α0 refers to the Y axis
Z1 or X1 Slot depth (abs) or depth relative to Z0 or X0 (inc) - (only for ∇ and ∇∇∇)
(Z1 for machining surface, face C/Y or X1 for peripheral surface C/Y)
Maximum plane infeed
DXY or DYZ 
Maximum plane infeed as a percentage of the milling cutter diameter

- (only for ∇ and ∇∇∇)
(DXY for machining surface, face C/Y or DYZ for peripheral surface C/Y)
DZ or DX Maximum depth infeed - (only for ∇, ∇∇∇ and ∇∇∇ edge)
(DZ for machining surface, face C/Y or DX for peripheral surface C/Y)
UXY or UYZ Plane finishing allowance for the length (L) and width (W) of the slot.
- (only for ∇ and ∇∇∇)
(UXY for machining surface, face C/Y or UYZ for peripheral surface C/Y)
UZ or UX Depth finishing allowance (tool axis) - (only for ∇ and ∇∇∇)
(UZ for machining surface, face C/Y or UX for peripheral surface C/Y)
Turning
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
Programming technology functions (cycles)
8.4 Milling
Unit
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Degrees
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mm or
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mm or
degrees
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mm
Degrees
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mm
mm
mm
mm
Degrees
mm
mm
%
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mm
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