Siemens SINUMERIK 840D sl Function Manual page 251
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● Couplings:
Term: Position
Main spindle HS
NCU assignment
The axes and spindles of a position (for this example) are each assigned to an NCU. One of
the NCUs, the master NCU, controls the axes for the rotations of drums A and B additionally.
There are 4 NCUs with a maximum of the following axes:
Number of axes
Per NCU
Slide 1: X
2: X
Spindles: HS
Transfer axis: ZG
Bar feed: STN
For the master NCU, in addition to the above-mentioned axes there are the two axes for
rotating drums A and B. The list shows that it would not be possible to configure the axis
number for a total of 4 positions via an NCU. (Limit 31 axes, required are 4 + 10 + 2 axes).
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Several Operator Panels on Several NCUs, Distributed Systems (B3)
– If drum A rotates, all main spindles of this drum are subordinate to another group of
slides.
– If drum B rotates, all main counterspindles and all transfer axes of this drum are
subordinate to another group of slides.
– The rotations of drums A and B are autonomous.
– The rotations of drums A and B are limited to 270 degrees.
(range and twisting of supply cables)
and counterspindle GS
i
the following axes/spindles must be configured:
i
1, Z
1
i
i
2, Z
2
i
i
, GS
, powered tools: S1, S2
i
i
i
.
i
together with their slides characterize a position.
i
Examples
251
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