Research on the Stabilization of Friction Torque of Precision Ball Screw

被引：2

作者：

Zhang Zuoying ^{[1
]}

Zhang Wanli ^{[1
]}

Song Xianchun ^{[2
]}

机构：

[1] Xuzhou Inst Technol, Mechatron Sch, Xuzhou, Jiangsu, Peoples R China

[2] Shandong Jianzhu Univ, Mechatron sch, Jinan, Shandong, Peoples R China

来源：

2009 IEEE INTERNATIONAL CONFERENCE ON MECHATRONICS AND AUTOMATION, VOLS 1-7, CONFERENCE PROCEEDINGS | 2009年

基金：

中国国家自然科学基金;

关键词：

Precision Ball screws; Friction Torque; Stabilization;

D O I：

10.1109/ICMA.2009.5246501

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Taking into account the influence of the error in the contact points of balls and the groove on the contact force, the influence of manufacturing errors of grooves on friction torque was analyzed. The view that the manufacturing errors of groove in ball screw mechanism affect the value of the friction torque averagely was brought forward. The characteristic of fiction torque of three type ball screws included inner-return type, return pipe type and end cap type was investigated through the friction torque test. The influence of lubrication on the stabilization of fiction torque of ball screw was also investigated through the tests. It was found that the fluctuation of the friction torque at the normal frequency of 1Hz could be eliminated completely when the ball screw mechanism is lubricated by grease. Analysis indicates that the fluctuation of the friction torque at the normal frequency of 1Hz is resulted from the jam and fall off of balls because of poor lubrication.

引用

页码：3716 / +

页数：2

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