Siemens SINUMERIK 840D sl Operating Manual page 519

Parameter
αC
(for ShopMill program)
Hirth joint
Tool
Preferred direction (for
ShopMill program)
DIR
(only G code program)
S (only G code pro‐
gram)
V (only G code pro‐
gram)
SV
X0
Z0
FS or R
X1
FR
SR
X2
* Unit of feedrate as programmed before the cycle call
Milling
Operating Manual, 05/2017, A5E40868956
Description
Rotational position for a pole position
● Round to the next Hirth joint
● Round up to Hirth joint
● Round down to Hirth joint
Note:
For machines with a 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
Direction of spindle rotation
Spindle speed
Constant cutting rate
Maximum speed limit - (only for constant cutting rate V)
Reference point in X ∅ (abs, always diameter)
Reference point in Z (abs)
Chamfer width or rounding radius
Depth for speed reduction ∅ (abs) or depth for speed reduction in relation to X0 (inc) mm
Reduced feedrate
Reduced speed
Final depth ∅ (abs) or final depth in relation to X1 (inc)
Programming technological functions (cycles)
10.4 Turning - milling/turning machine
Unit
Degrees
rpm
mm/min
rpm
mm
mm
mm
*
rpm
mm
519