Siemens sinumerik 840D sl Operating Manual page 322

Programming technology functions (cycles)
8.3 Contour turning
Parameters, G code program
PRG Name of the program to be generated
PL Machining plane
RP Retraction plane
SC Safety clearance
F Feedrate
CON Name of the updated blank contour for
residual material machining (without the
attached characters "_C" and double-digit
number)
Residual With subsequent residual material removal
material
Yes

No

CONR Name to save the updated unmachined-part
contour for residual material removal
Parameters Description
Machining 

Machining 
direction


The machining direction depends on the stock removal direction and choice of tool.
Position 



D Maximum depth infeed - (only for ∇)
XDA 1. Grooving limit tool (abs) – (only for face machining direction)
XDB 2. 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
Constant cutting depth
Alternating cutting depth - (only with align cut segmentation at edge)
322
mm
mm
mm/min
∇ (roughing)
∇∇∇ (finishing)
Face

Longitudinal

Parallel to the contour


front
back
internal
external
Parameters, ShopTurn program
T Tool name
D Cutting edge number
F Feedrate
S / V Spindle speed or constant cutting
rate
From inside to outside
From outside to inside
From end face to rear side
From rear side to end face
Operating Manual, 07/2010, 6FC5398-8CP40-0BA0
mm/min
mm/rev
rpm
m/min
Unit
mm
mm
mm
mm
Turning