Siemens SINUMERIK 840D, Operating Manual, Page: 392 / 610

Programming technological functions (cycles)
8.5 Contour turning - only for G code programs
Milling
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Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Parameters, G code program
PRG
Name of the program to be generated
PL Machining plane
RP Retraction plane mm
SC Safety clearance mm
F Feedrate mm/min
Residual
material
With subsequent residual material removal

Yes
 No
CONR Name to save the updated unmachined-part
contour for residual material removal
Parameters Description Unit
Machining 
∇ (roughing)

∇∇∇ (finishing)

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
Machining
direction
The machining direction depends on the stock removal direction and choice of tool.
Position 
front

back
 internal
 external
D Maximum depth infeed - (only for ∇) 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