Siemens SINUMERIK 840D sl Operating Manual page 470

Programming technological functions (cycles)
8.5 Contour turning- only for G code programs
Feedrate interruption
To prevent the occurrence of excessively long chips during machining, you can program a
feedrate interruption.
Machining type
You can freely select the machining type (roughing, finishing or complete machining).
For more detailed information, please refer to section "Stock removal".
Procedure
Parameters, G code program
PRG
PL
RP
SC
Residual material
CONR
Parameter Description
FX Feedrate in X direction
FZ Feedrate in Z direction
FS Finishing feedrate (only for complete machining: ∇ + ∇∇∇)
Machining
•
•
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1. The part program to be executed has been created and you are in the
editor.
2. Press the "Turning" and "Contour turning" softkeys.
3. Press the "Plunge turning" softkey.
The "Plunge turning" input window opens.
Name of the program to be generated
Machining plane
Retraction plane –
(only for longitudinal
machining direction)
Safety clearance
With subsequent residual material removal
Yes
•
No
•
Name to save the updated blank contour for
residual material removal – ("Yes", only for
residual material removal)
∇ (roughing)
∇∇∇ (finishing)
∇ + ∇∇∇ (roughing and finishing)
mm
mm
Operating Manual, 03/2013, 6FC5398-7CP40-3BA1
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Milling