Siemens SINUMERIK 840D sl Operating Manual page 440

Programming technological functions (cycles)
8.4 Turning - only for G code programs
Parameter
P1
X2 or X2α
Z2
P2
X3
Z3
LW
LR
H1
DP or αP
D1 or ND
rev
NN
VR
Multiple threads
440
Description
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
•
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 thread turns
DA Thread changeover depth (inc)
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
Unit
mm/rev
in/rev
turns/"
MODULUS
mm
Degrees
mm
mm/rev
in/rev
turns/"
MODULUS
mm
Degrees
mm
mm
mm
mm
mm or
degrees
mm
mm
mm
Degrees
mm
Milling