Siemens SINUMERIK 840D, Operating Manual, Page: 375 / 610

Programming technological functions (cycles)
8.4 Turning - only for G code programs
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
375
Parameters Description Unit
P0 Thread pitch 1 mm/rev
in/rev
turns/"
MODULUS
X1 or X1α 
Intermediate point 1 X ∅ (abs) or

Intermediate point 1 in relation to X0 (inc) or

Thread taper 1
Incremental dimensions: The sign is also evaluated.
mm
Degrees
Z1 
Intermediate point 1 Z (abs) or

Intermediate point 1 in relation to Z0 (inc)
P1 Thread pitch 2 (unit as parameterized for P0) mm/rev
in/rev
turns/"
MODULUS
X2 or X2α 
Intermediate point 2 X ∅ (abs) or

Intermediate point 2 in relation to X1 (inc) or

Thread taper 2 (abs or inc)
Incremental dimensions: The sign is also evaluated.
mm
Degrees
Z2 
Intermediate point 2 Z (abs) or

Intermediate point 2 in relation to Z1 (inc)
P2 Thread pitch 3 (unit as parameterized for P0) mm/rev
in/rev
turns/"
MODULUS
X3 
End point X ∅ (abs) or

End point 3 in relation to X2 (inc) or

Thread taper 3
Z3 
End point Z ∅ (abs) or
 End point with reference to Z2 (inc)
LW Thread run-in
LR Thread run-out
H1 Thread depth
DP or αP Infeed slope (flank) or infeed slope (angle)
 Infeed along a flank

Infeed with alternating flanks
D1 or ND First infeed depth or number of roughing cuts - (only for ∇ and ∇ + ∇∇∇)
rev Finishing allowance in X and Z - (only for ∇ and ∇ + ∇∇∇)
NN Number of noncuts - (only for ∇∇∇ and ∇ + ∇∇∇)
VR Return distance
No
α0 Starting angle offset
Yes
N Number of threads
Multiple threads
DA Thread changeover depth (inc)