Siemens SINUMERIK 840D sl Operating Manual page 619

Changing program settings
Under settings, the settings for the main and/or counterspindle can be changed while the
program is being executed.
Parameter Description
Data for You define the spindle selection for processing the data here - (this is only available if
the machine has a counterspindle)
● Main spindle
Data set for the main spindle
● Counterspindle
Data set for the counterspindle
● Main+counterspindle
All values for the main and counterspindle are saved in one data set
Retraction Lift mode
● simple
● Extended
● all
● Empty
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)
- (only for retraction "extended" and "all")
ZRA Retraction plane Z front (abs) or
retraction plane Z referred to ZA (inc)
ZRI Retraction plane Z rear – (only for retraction "all")
Tailstock Yes
● Tailstock is displayed for simulation / simultaneous recording
● When approaching/retracting, the retraction logic is taken into account
No
XRR Retraction plane – (only "Yes" for tailstock)
Tool change point Tool change point
● WCS (Workpiece Coordinate System)
● MCS (Machine Coordinate System)
● Empty
XT Tool change point X
ZT Tool change point Z
SC Safety clearance (inc)
Acts in relation to the reference point. The direction in which the safety clearance is active
is automatically determined by the cycle.
S1 Maximum speed, main spindle
Machining Milling direction:
direction
● Climbing
● Conventional
● Empty
Turning
Operating Manual, 05/2017, A5E40868721
Multi-channel machining
11.2 Multi-channel support
Unit
mm
mm
mm
mm
mm
mm
mm
mm
rev/min
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