Siemens SINUMERIK 840D Operating Manual page 392

Programming technological functions (cycles)
8.5 Contour turning - only for G code programs
Parameters, G code program
PRG Name of the program to be generated
PL Machining plane
RP Retraction plane
SC Safety clearance
F Feedrate
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 ∇)
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
392
mm
mm
mm/min
∇ (roughing)
∇∇∇ (finishing)
Face

Longitudinal
Parallel to the contour



front
back
internal
external
From inside to outside
From outside to inside
From end face to rear side
From rear side to end face
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
Unit
mm
mm
Milling