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Siemens SINUMERIK 840D sl Turning - Page 466

Siemens SINUMERIK 840D sl Turning
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G code program parameters ShopTurn program parameters
SC Safety clearance mm S / V Spindle speed or constant cutting
rate
rpm
m/min
F Feedrate *
CON Name of the updated blank contour for
residual material machining (without the
attached character "_C" and double-digit
number)
Residual
material
With subsequent residual material re‐
moval
Yes
No
CONR Name to save the updated unmachined-
part contour for residual material remov‐
al - (only "Yes" for residual material re‐
moval)
Parameter Description Unit
Machining
∇ (roughing)
∇∇∇ (finishing)
Machining
direction
Face
Longitudinal
Parallel to the
contour
From inside to outside
From outside to inside
From end face to rear side
From rear side to end face
The machining direction depends on the stock removal direction and choice of tool.
Position
front
rear
Internal
external
D Maximum depth infeed - (only for ∇) mm
XDA First grooving limit tool (abs) – (only for face machining direction) mm
XDB Second grooving limit tool (abs) – (only for face machining direction) mm
DX Maximum depth infeed - (only for parallel to the contour, as an alternative to D) mm
Do not round contour at end of cut.
Always round contour at end of cut.
Uniform cut segmentation
Round cut segmentation at the edge
only for align cut segmentation at the edge:
Constant cutting depth
alternating cutting depth
Programming technology functions (cycles)
10.3 Contour turning
Turning
466 Operating Manual, 06/2019, A5E44903486B AB

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