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ball screw |
Also found in: Wikipedia | 0.03 sec. |
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ball screw [′bȯl ‚skrü] (mechanical engineering) An element used to convert rotation to longitudinal motion, consisting of a threaded rod linked to a threaded nut by ball bearings constrained to roll in the space formed by the threads, in order to reduce friction. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The former places the power unit on the steering column just behind the instrument panel where the assist is transmitted through a worm gear to the column, while the latter places it to the side and drives the column through a ball nut mechanism via a rubber belt. The 7500 series is designed with a screw and ball nut system and cast aluminum shell and shell cap. By using balls manufactured from silicon nitride instead of tool steel, microwelding in the ball nut is eliminated. |
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