文献类型：期刊文献

英文题名：Influences of off-sized rollers on mechanical performance of spherical roller bearings

作者：Ma, Fangbo[1];Ji, Peng[1];Li, Zhengmei[1];Wu, Baojie[2];An, Qi[1]

机构：[1]E China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai 200237, Peoples R China;[2]Lubricant Co, SINOPEC Corp, Tianjin Branch, Tianjin, Peoples R China

年份：2015

卷号：229

期号：4

起止页码：344

外文期刊名：PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART K-JOURNAL OF MULTI-BODY DYNAMICS

收录：;EI(收录号：20161202122805);WOS:【SCI-EXPANDED(收录号:WOS:000365204500002)】；

基金：This work was supported by the Fundamental Research Funds for the Central Universities of China and the Project funded by China Postdoctoral Science Foundation (grant no. 2014M561423).

语种：英文

外文关键词：Spherical roller bearing; off-sized rollers; load distribution; axis orbit

摘要：Based on a set of formulae for calculating elliptical contact parameters and elastic deformation developed by Houpert and mechanical analysis, a numerical model is established for calculating the roller load distribution and shaft axis orbit of spherical roller bearings with considering off-sized rollers in this paper. A numerical calculation example is carried out to investigate the effects of single off-sized roller and multiple off-sized rollers on spherical roller bearing roller load distribution and axis orbit. Results show that the roller maximum load will increase as its off-sized diameter becomes larger than the nominal diameter, and the roller maximum load will decrease as its off-sized diameter is smaller than the nominal diameter. The maximum loads of the rollers in the two rows neighboring on the off-sized roller/rollers can also be affected. Meanwhile, roller diameter error will largely affect the axis orbit and inner ring radial displacement of spherical roller bearings.