Siemens sinumerik 840D sl Operating Manual page 408

Programming technology functions (cycles)
8.5 Contour milling
Parameters Description
Pocket depth (abs) or depth referred to Z0 or X0 (inc)
Z1 or - (only for G code and ShopTurn, machining surface, face C/Y/B) or
X1 - (only for ShopTurn, machining surface, peripheral surface C/Y)
- (only for ∇, ∇∇∇ base or ∇∇∇ edge)
CP Positioning angle for machining area
- (only for ShopTurn, machining surface, face Y)
C0 Positioning angle for machining surface
- (only for ShopTurn, machining surface, peripheral surface Y)
Maximum plane infeed

Maximum plane infeed as a percentage of the milling cutter diameter

DXY or
- (only for G code and ShopTurn, machining surface, face C/Y/B) or
DYZ
- (only for ShopTurn, machining surface, peripheral surface C/Y)
- (only for ∇ and ∇∇∇ base)
Maximum depth infeed
DZ or - (only for G code and ShopTurn, machining surface, face C/Y/B) or
DX - (only for ShopTurn, machining surface, peripheral surface C/Y)
– (only for ∇ or ∇∇∇ edge)
Finishing allowance plane
UXY or - (only for G code and ShopTurn, machining surface, face C/Y/B) or
UYZ - (only for ShopTurn, machining surface, peripheral surface C/Y)
– (only for ∇, ∇∇∇ base or ∇∇∇ edge)
Finishing allowance depth
UZ or - (only for G code and ShopTurn, machining surface, face C/Y/B) or
UX - (only for ShopTurn, machining surface, peripheral surface C/Y)
– (only for ∇ or ∇∇∇ base)
Lift mode Lift mode before new infeed
If the machining operation requires several points of insertion, the retraction height can
be programmed:
to RP

Z0 + safety clearance - (only for G code and ShopTurn, machining surface, face

C/Y/B) or
X0 + safety clearance - (only for ShopTurn, machining surface, peripheral surface

C/Y)
On making the transition to the next insertion point, the tool returns to this height. If
there are no elements larger than Z0 (X0) in the pocket area, then Z0 (X0) + safety
clearance can be programmed as the lift mode.
FS Chamfer width for chamfering - (only for chamfering machining)
ZFS Insertion depth of tool tip (abs or inc) - (for chamfering machining only)
408
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
Unit
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Turning