精密滚珠丝杠副摩擦力矩平稳性的研究

Changchun(2009)

Cited 3|Views22
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Abstract
考虑滚珠丝杠副中滚珠与滚道接触处的误差对接触载荷的影响,分析了滚道加工误差对滚珠丝杠副摩擦力矩的影响,提出了该误差对摩擦力矩影响的平均效应观点。实验分析了内循环式、外循环插管式和外循环端部偏转式3种不同结构滚珠丝杠副的摩擦力矩特性,实验研究了润滑介质对滚珠丝杠副摩擦力矩平稳性的影响。研究发现,脂润滑时可以消除滚珠丝杠副摩擦力矩的归一化频率1Hz的波动。分析认为滚珠丝杠副摩擦力矩归一化频率1Hz的波动是因润滑不良情况下滚珠之间的拥堵和散开而导致的。
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Key words
torque,contact force,friction,manufacturing error,lubrication,precision ball screw,inner-return type,return pipe type,ball screw mechanism,precision ball screws,fasteners,stabilization,friction torque,end cap type,stability,fluctuations,force
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