Siemens sinumerik 840D sl Operating Manual page 301

Turning
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Parameters, G code program
PL
Machining plane
SC
Safety clearance
F
Feedrate
Parameters
Machining
Infeed (only for ∇ and ∇
+ ∇∇∇)
Thread
X0
Z0
P0
X1 or X1α
Z1
P1
X2 or X2α
Z2
P2
Turning
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
mm
mm/min
Description
∇ (roughing)
∇∇∇ (finishing)
∇ + ∇∇∇ (roughing and finishing)
Linear:
Constant cutting depth infeed
Degressive:
Constant cutting cross-section infeed
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)
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)
Programming technology functions (cycles)
Parameters, ShopTurn program
T
Tool name
D
Cutting edge number
F
Feedrate
S / V
Spindle speed or constant
cutting rate
8.2 Rotate
mm/min
mm/rev
rpm
m/min
Unit
mm
mm
mm/rev
in/rev
threads/"
MODULE
mm
Degrees
mm/rev
in/rev
turns/"
MODULUS
mm
Degrees
mm/rev
in/rev
turns/"
MODULUS
301

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