Siemens SINUMERIK 840D sl Turning Operating Manual page 483

G code program parameters
SC Safety clearance
CON Name of the updated blank contour for residual
material machining (without the attached char‐
acter "_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 - (only
"Yes" for residual material removal)
Parameter Description
FX (only ShopTurn) Feedrate in X direction
FZ (only ShopTurn) Feedrate in Z direction
FX (only G Code) Feedrate in X direction
FZ (only for G code) Feedrate in Z direction
Machining
● ∇ (roughing)
● ∇∇∇ (finishing)
Machining direction
● Face
● Longitudinal
Position
● front
● rear
● Internal
● external
D Maximum depth infeed - (only for ∇)
UX or U Finishing allowance in X or finishing allowance in X and Z – (only for ∇)
UZ Finishing allowance in Z – (only for ∇)
XDA First grooving limit tool ∅ (abs) – (end face or rear face only)
XDB Second grooving limit tool ∅ (abs) – (end face or rear face only)
Allowance Allowance for prefinishing
● Yes
● No
DI For zero: Continuous cut - (only for ∇)
U1 Compensation allowance in X and Z direction (inc) – (only for allowance)
● Positive value: Compensation allowance is retained
● Negative value: Compensation allowance is removed in addition to finishing
Turning
Operating Manual, 06/2019, A5E44903486B AB
mm
U1 contour allowance
allowance
Programming technology functions (cycles)
ShopTurn program parameters
S / V Spindle speed or constant cut‐
ting rate
10.3 Contour turning
rpm
m/min
Unit
mm/rev
mm/rev
*
*
mm
mm
mm
mm
mm
mm
mm
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