Siemens SINUMERIK 840D sl Operating Manual page 366

Programming technology functions (cycles)
10.2 Rotate
Parameter
DP
or
αP
D1 or ND
(only for ∇ and
∇ + ∇∇∇)
U
NN
Hidden parameters
The following parameters are hidden. They are pre-assigned fixed values or values that can
be adjusted using setting data.
Parameter Description
PL Machining plane
Table Thread table selection
G Change in thread pitch per revolution – (only for P = mm/rev
or in/rev):
Without change in thread pitch
XS Segment height, crowned thread
RS Radius crowned thread
D0 Initial plunge depth for reworking the threads
VR Return distance
Multiple threads 1 thread
α0 Starting angle offset
366
Description
Infeed slope as flank (inc) – (alternative to infeed slope as angle)
DP > 0: Infeed along the rear flank
DP < 0: Infeed along the front flank
Infeed slope as angle – (alternative to infeed slope as flank)
α > 0: Infeed along the rear flank
α < 0: Infeed along the front flank
α = 0: Infeed at right angle to cutting direction
If you wish to infeed along the flanks, the maximum absolute value of this parameter
may be half the flank angle of the tool.
Infeed along the flank
Infeed with alternating flanks (alternative)
Instead of infeed along one flank, you can infeed along alternating flanks to avoid
always loading the same tool cutting edge. As a consequence you can increase the
tool life.
α > 0: Start at the rear flank
α < 0: Start at the front flank
First infeed depth or number of roughing cuts
The respective value is displayed when you switch between the number of roughing
cuts and the first infeed.
Finishing allowance in X and Z – (only for ∇ and ∇ + ∇∇∇)
Number of noncuts - (only for ∇∇∇ and ∇ + ∇∇∇)
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Value Can be set in SD
Defined in MD
52005
without
0
0 mm
0 mm
0 mm
2 mm
No
0°
Operating Manual, 05/2017, A5E40868721
Unit
mm
Degrees
mm
mm
x
Turning