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分析了可用于轻载提升机构的封闭槽螺母滚珠螺旋(简称F螺旋[1])的滚珠保持器的作用及其设置的必要性 ,提出了保持器和螺旋副在设计上的改进措施
The function of the ball retainer and the necessity of its setting which can be used in the closed groove nut ball screw (F spiral [1]) which can be used in the light load lifting mechanism are analyzed. The improvement measures of the retainer and the screw pair are proposed