Siemens SINUMERIK 840D sl Operating Manual page 420

Programming technological functions (cycles)
8.4 Turning - only for G code programs
Parameter
Hirth tooth system
(for ShopMill program)
Tool
Machining
Position
X0
Z0
B1
T1
α1, α2
α0
FS1...FS4 or R1...R4
420
Description
Round to the next Hirth gearing
•
Round to Hirth gearing
•
Round to Hirth gearing
•
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.
∇ (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
between 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)
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
Unit
mm
mm
mm
mm
Degrees
Degrees
mm
Milling