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08-12-2015 #21
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08-12-2015 #22
Not really, you're adjusting the preload on the pair of angular contact bearings in the green block that fixes the ball screw to the table.
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08-12-2015 #23
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08-12-2015 #24
the drawing doesn't really represent the action, but that's where it is.
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08-12-2015 #25
You cannot adjust the ball screw bearings, they are what they are.
When you have an angular contact bearing in your hand the middle wobbles back and forth.
So what your almost doing when you have a pair is pulling the middles together to get rid of that play.
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08-12-2015 #27
The spacer should be on the inside race so it shows the lock nut squeezing the outer races together....if that's how its assembled? I thought they normally had the lock nut on the inner race with the ballscrew also on the inner race and the outer races locked in position?
Last edited by njhussey; 08-12-2015 at 10:21 AM.
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08-12-2015 #28
The tab nut tightens the inner race of the bearings not the outter
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