Siemens SINUMERIK 840D sl Turning Operating Manual page 466

Programming technology functions (cycles)
10.3 Contour turning
G code program parameters
SC Safety clearance
F Feedrate
CON Name of the updated blank contour for
residual material machining (without the
attached character "_C" and double-digit
number)
Residual With subsequent residual material re‐
material 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
Machining
● ∇ (roughing)
● ∇∇∇ (finishing)
Machining
● Face
direction
● Longitudinal
● Parallel to the
The machining direction depends on the stock removal direction and choice of tool.
Position
● front
● rear
● Internal
● external
D Maximum depth infeed - (only for ∇)
XDA First grooving limit tool (abs) – (only for face machining direction)
XDB Second grooving limit tool (abs) – (only for face machining direction)
DX Maximum depth infeed - (only for parallel to the contour, as an alternative to D)
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
466
mm
*
● From inside to outside
● From outside to inside
● From end face to rear side
contour
● From rear side to end face
ShopTurn program parameters
S / V Spindle speed or constant cutting
rate
Operating Manual, 06/2019, A5E44903486B AB
rpm
m/min
Unit
mm
mm
mm
mm
Turning