Technical Brief

A Novel Method to Compute the Elastic Approach of a Hollow Roller

[+] Author and Article Information
Yankui Liu

School of Mechanical Engineering, Dalian Jiaotong University, Dalian 116028 China

1Corresponding author.

ASME doi:10.1115/1.4038952 History: Received October 03, 2017; Revised November 12, 2017


The elastic approach of a hollow roller compressed by two flat plates is a basic building block in roller bearing design. According to the theory of contact mechanics, a finite element model was established in this paper to study the contact problem of a hollow roller. Research results show that deformation of the hollow roller due to contact has a strong relationship with roller's hollowness ratio. A new equation for calculating the contact deformation of a hollow roller is proposed. In addition, it is found that the accuracy of existing calculation method for bending deformation is also worth studying, and a new equation for calculating bending deformation of a hollow roller is established by data fitting. Experimental results are also presented to support the results of the present work.

Copyright (c) 2017 by ASME
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