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Siemens SINUMERIK 840D sl Turning - Page 682

Siemens SINUMERIK 840D sl Turning
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Parameter Description Unit
Data for If several spindles have been set up, the program can operate at both spindles.
Select the 2nd spindle
Main spindle
Counterspindle
Empty
The program only operates at one spindle
Retraction The retraction area indicates the area outside of which collision-free traversing of
the axes must be possible.
simple
extended – not for a "pipe" blank
all
XRA Retraction plane X external ∅ (abs) or
retraction plane X referred to XA (inc)
mm
XRI - for "basic" retraction, only for a "pipe" blank
retraction plane X internal ∅ (abs) or
retraction plane X referred to XI (inc)
mm
ZRA Retraction plane Z front (abs) or
retraction plane Z referred to ZA (inc)
mm
ZRI Retraction plane Z rear – only for retraction "all" mm
Tailstock
Yes
No
XRR Retraction plane tailstock – only "Yes" for tailstock mm
Tool change point Tool change point, which must be approached by the revolver with its zero point.
WCS (Workpiece Coordinate System)
MCS (Machine Coordinate System)
Notes
The tool change point must be far enough outside the retraction area that it is
not possible for any tool to protrude into the retraction area while the revolver
is moving.
Ensure that the tool change point is relative to the zero point of the revolver and
not the tool tip.
XT Tool change point X mm
ZT Tool change point Z mm
S Spindle speed rev/min
SC The safety clearance defines how close the tool can approach the workpiece in
rapid traverse.
Note
Enter the safety clearance without sign into the incremental dimension.
mm
Mach. direction of rota‐
tion
Milling direction
Conventional
Climbing
Multi-channel machining
11.2 Multi-channel support
Turning
682 Operating Manual, 06/2019, A5E44903486B AB

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