A comprehensive analysis of contact kinematics for planetary roller screw mechanism

被引：14
|
作者：
Xing, Mingcai [1 ,2 ]
Zhang, Bohong [2 ]
Deng, Pan [3 ]
Xu, Jinquan [1 ]
Cui, Yi [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Naval Architecture Ocean & Civil Engn, Shanghai 200240, Peoples R China
[2] Shanghai Jiao Tong Univ, Minist Educ, Key Lab Power Machinery & Engn, Shanghai 200240, Peoples R China
[3] Shanghai Marine Equipment Res Inst, Shanghai 200031, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2023年 / 179卷
基金：
中国国家自然科学基金;
关键词：
Contact kinematics; Sliding velocity; Pitch circle mismatch error; Planetary roller screw mechanism; DYNAMIC-MODEL;
D O I：
10.1016/j.triboint.2022.108127
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this work, a contact kinematic model of planetary roller screw mechanism (PRSM) is presented, and verified by comparing with published literatures. According to the conjugate surfaces contact condition and coordinate transformation, the sliding velocities in the screw-roller contact region and nut-roller contact region are calculated. It is proved that there is no relative sliding between roller and nut without geometry error. Furthermore, the effects of pitch circle mismatch error, geometrical and operating parameters of PRSM on the sliding velocities and sliding directions in the screw-roller and nut-roller contact regions are analyzed. It is found that the decreased pitch circle mismatch error, reasonable geometrical and operating parameters are conducive to improving the operation performance of PRSM.
引用
收藏
页数：15
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