BALL BEARING RELIEF FOR MULTIPLE TURN CIRCUIT IN BALL SCREW ASSEMBLY
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Mar 16, 2017
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Mar 16, 2016
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Abstract
A ball relief feature for a ball screw allows multiple turn ball circuits with reduced ball bearing stack-up within the ball screw assembly. Reliving bearing stack up allows for ball circuits having more turns without reducing the number of load carrying ball bearings of a typical ball nut. The ball relief feature reduces ball bearing stack-up by allowing the balls to re-distribute relative to one another and space themselves evenly in oversized portions of the ball circuit track other than the ball return mechanism.
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