Siemens SINUMERIK 840D

Programming technological functions (cycles)
8.4 Turning - only for G code programs
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
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Parameter Description Unit
Machining
 ∇ (roughing)
 ∇∇∇ (finishing)
Position
Stock removal position:
Stock removal direction (longitudinal or transverse) in the coordinate system
Parallel to the Z axis (longitudinal) Parallel to the X axis (transverse)
Machining
direction
External
Internal External internal
X0 Reference point in X ∅ (abs, always diameter) mm
Z0 Reference point in Z (abs) mm
X1 End point X (abs) or end point X in relation to X0 (inc)
Z1 End point Z ∅ (abs) or end point Z in relation to Z0 (inc)
D Maximum depth infeed – (not for finishing) mm
UX Finishing allowance in X – (not for finishing) mm
UZ Finishing allowance in Z – (not for finishing) mm
FS1...FS3 or R1...R3 Chamfer width (FS1...FS3) or rounding radius (R1...R3) - (not for
stock removal 1)
mm
Parameter selection of intermediate point
The intermediate point can be determined through position specification or angle.
The following combinations are possible - (not for stock removal 1 and 2)
 XM ZM
 XM α1
 XM α2
 α1 ZM
 α2 ZM
 α1 α2
XM Intermediate point X ∅ (abs) or intermediate point X in relation to X0 (inc)
ZM Intermediate point Z (abs or inc)
α1 Angle of the 1st edge Degrees
α2 Angle of the 2nd edge Degrees