Siemens SINUMERIK 840D sl Operating Manual page 420

Programming technology functions (cycles)
10.3 Contour turning
Parameter Description
XD - (only for ∇ machining)
- (only for blank description, cylinder and allowance)
● For blank description, cylinder
● For blank description, allowance
ZD - (only for ∇ machining)
- (only for blank description, cylinder and allowance)
● For blank description, cylinder
● For blank description, allowance
Allowance Allowance for pre-finishing - (only for ∇∇∇)
● Yes
● No
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
* Unit of feedrate as programmed before the cycle call
420
– Version, absolute:
Cylinder dimension ∅ (abs)
– Version incremental:
Allowance (inc) to maximum values of the CYCLE62 finished part contour
Allowance on the CYCLE62 finished part contour (inc)
– Version, absolute:
Cylinder dimension (abs)
– Version incremental:
Allowance (inc) to maximum values of the CYCLE62 finished part contour
– Allowance on the CYCLE62 finished part contour (inc)
U1 contour allowance
allowance
Unit
mm
mm
mm
mm
mm
mm
Operating Manual, 05/2017, A5E40868721
Turning