Siemens SINUMERIK 840D sl Operating Manual page 616

Multi-channel machining
11.2 Multi-channel support
Parameter
write to
ZV
Blank
Retraction
616
Description
● Yes
Parameter ZV is displayed
● No
Parameter ZV is not displayed
Z value of the work offset
For G54, the Z value is entered into the work offset.
Note:
Please observe the machine manufacturer's data
Define the form and dimensions of the workpiece:
● Cylinder
XA Outer diameter ∅
● Polygon
N Number of edges
SW / L Width across flats/edge length
● Centered cuboid
W Width of blank
L Length of blank
● Tube
XA Outer diameter ∅
Inner diameter ∅ (abs) or wall thickness (inc)
ZA Initial dimension
ZI Final dimension (abs) or final dimension in relation to ZA (inc)
ZB Machining dimension (abs) or machining dimension in relation to ZA
(inc)
The retraction area indicates the area outside of which collision-free traversing of
the axes must be possible.
● simple
XRA Retraction plane X external ∅ (abs) or
retraction plane X referred to XA (inc)
- only for "pipe" blank
XRI Retraction plane X internal ∅ (abs) or
retraction plane X referred to XI (inc)
ZRA Retraction plane Z front (abs) or
retraction plane Z referred to ZA (inc)
● extended - not for a "pipe" blank
XRA Retraction plane X external ∅ (abs) or
retraction plane X referred to XA (inc)
XRI Retraction plane X internal ∅ (abs) or
retraction plane X referred to XI (inc)
ZRA Retraction plane Z front (abs) or
retraction plane Z referred to ZA (inc)
● all
XRA Retraction plane X external ∅ (abs) or
retraction plane X referred to XA (inc)
Unit
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
mm
Operating Manual, 05/2017, A5E40868721
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