Siemens SINUMERIK 840D sl Operating Manual page 562

Programming technological functions (cycles)
10.5 Contour turning - Milling/turning machine
Parameter Description
αC Rotational position for a pole position.
(for ShopMill pro‐
gram)
Hirth joint
● Round to the next Hirth joint
● Round up to Hirth joint
● Round down to Hirth joint
Note:
For machines with Hirth joint
Tool Tool tip when swiveling
● Tracking
● No tracking
Preferred direction Preferred direction of the swivel axis for several possible alignments of the machine.
(for ShopMill pro‐
gram)
Machining
● ∇ (roughing)
● ∇∇∇ (finishing)
Machining
● Face
direction
● Longitudinal
Position
● Front
● Rear
● Inside
● Outside
D Maximum depth infeed - (only for ∇)
XDA First grooving limit tool (abs) – (only for face machining direction).
XDB Second grooving limit tool (abs) – (only for face machining direction).
UX or U Finishing allowance in X or finishing allowance in X and Z – (only for ∇)
UZ Finishing allowance in Z – (only for UX)
DI For zero: Continuous cut - (only for ∇)
562
The position of the tool tip is maintained during swiveling.
The position of the tool tip is not maintained during swiveling.
Unit
Degrees
mm
mm
mm
mm
mm
mm
Operating Manual, 05/2017, A5E40868956
Milling