Siemens SINUMERIK 840D sl Operating Manual page 424

Programming technology functions (cycles)
10.3 Contour turning
parameters 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
● back
● 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 1. Grooving limit tool ∅ (abs) – (end face or rear face only)
XDB 2. 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 kept
● Negative value: Compensation allowance is removed in addition to finishing
Set machining area Set machining area limits
limits
● Yes
● No
with limited machining area only, yes:
XA 1. Limit XA ∅
XB 2. Limit XB ∅ (abs) or 2nd limit referred to XA (inc)
ZA 1. Limit ZA
ZB 2. Limit ZB (abs) or 2nd limit referred to ZA (inc)
N Number of grooves
DP Distance between grooves (inc)
* Unit of feedrate as programmed before the cycle call
424
U1 contour allowance
allowance
Unit
mm/rev
mm/rev
*
*
mm
mm
mm
mm
mm
mm
mm
mm
mm
Operating Manual, 05/2017, A5E40868721
Turning