Siemens SINUMERIK 840D sl Turning Operating Manual page 438

Programming technology functions (cycles)
10.2 Rotate
Parameter
VR
Multiple threads
Parameters in the "Input simple" mode
G code program parameters
Input
Parameter
Machining
Infeed (only for ∇ and ∇
+ ∇∇∇)
Thread
X0
Z0
P0
X1 or
X1α
Z1
438
Description
Return distance
No
α0 Starting angle offset
Yes
N Number of thread turns
DA Thread changeover depth (inc)
● simple
Description
● ∇ (roughing)
● ∇∇∇ (finishing)
● ∇ + ∇∇∇ (roughing and finishing)
● Linear:
Infeed with constant cutting depth
● Degressive:
Infeed with constant cutting cross-section
● Internal thread
● External thread
Reference point X ∅ (abs, always diameter)
Reference point Z (abs)
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)
ShopTurn program parameters
T Tool name
D Cutting edge number
S / V Spindle speed or constant cutting
rate
Operating Manual, 06/2019, A5E44903486B AB
Unit
mm
Degrees
mm
rpm
m/min
Unit
mm
mm
mm/rev
in/rev
turns/"
MODULUS
mm
Degrees
mm
Turning