Siemens SINUMERIK 840D Operating Manual page 375

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