Siemens SINUMERIK Series Operating Manual page 522

Programming technological functions (cycles)
10.4 Turning - milling/turning machine
Parameter
αC
(for ShopMill program)
Hirth joint
(for ShopMill program)
Tool
Preferred direction (for
ShopMill program)
Machining
Position
X0
Z0
B1
T1
α1, α2
α0
FS1...FS4 or R1...R4
522
Description
Rotational position for a pole position
● Round to the next Hirth joint
● Round up to Hirth joint
● Round down to Hirth joint
Tool tip when swiveling
● Tracking
The position of the tool tip is maintained during swiveling.
● No tracking
The position of the tool tip is not maintained during swiveling.
Preferred direction of the swivel axis for several possible alignments of the machine
● ∇ (roughing)
● ∇∇∇ (finishing)
● ∇ + ∇∇∇ (roughing and finishing)
Groove position/reference point:
Reference point in X ∅
Reference point in Z
Groove width
Groove depth ∅ (abs) or groove depth referred to X0 or Z0 (inc)
Edge angle 1 or edge angle 2 - (only for grooves 2 and 3)
Asymmetric grooves can be described by separate angles. The angles can be be‐
tween 0 and < 90°.
Angle of inclinations – (only for groove 3)
Chamfer width (FS1...FS4) or rounding radius (R1...R4) - (only for grooves 2 and 3) mm
Operating Manual, 08/2018, 6FC5398-7CP41-0BA0
Unit
mm
mm
mm
mm
Degrees
Degrees
Milling