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BALLSCREW NUT BALL RETURN - 1 VS 2 EXTERNAL TUBES

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torypop

Mechanical
Joined
Apr 24, 2003
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2
Location
US
What would be the advantages / disadvantages of two external ball return tubes vs one, given all other specifications of the ballscrew are equal? The application here is on the Z-Axis of a Chiron vertical machining center which not only carries the spindle but also the the tool change assembly.
 
Redundancy lowers the potential for catastophic failure. You can also adjust the preload....
 
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