Siemens sinumerik 840D sl Operating Manual page 343

Parameters Description
Default: 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 G code)
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)
∅ Diameter of pocket
Z1 or X1 Pocket depth (abs) or depth relative to Z0/X0 (inc) – (only for ∇, ∇∇∇ and ∇∇∇ edge)
(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 - (only for ∇, ∇∇∇ and ∇∇∇ edge)
(UXY for machining surface, face C/Y or UYZ for peripheral surface C/Y)
UZ or UX Depth finishing allowance – (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
mm
mm
mm
mm
mm
mm
Degrees
mm
mm or
degrees
mm
mm or
degrees
mm
mm
Degrees
mm
mm
mm
mm
mm
in
%
mm
mm
mm
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