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Effect of recess configuration on the performances of high-speed hybrid journal bearing

Qiyin Lin, Zhengying Wei, Ning Wang, Yubin Zhang

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 11 April 2016

394

Abstract

Purpose

The purpose of this paper is to study the influences of recess configurations on the performances of high-speed hybrid journal bearing. Hybrid journal bearing earns increasing attention in high-speed machine tool spindle owing to its intrinsic outstanding performances of low temperature rise and high stability.

Design/methodology/approach

To investigate the coupled effects of temperature, turbulence and the interaction between lubricant and journal/bearing bush, a thermal fluid-structure interaction approach is presented and validated by the experimental results.

Findings

Ladder-type recess has excellent tribological characteristics in decreasing temperature rise, improving stability and inhibiting cavitation, which are all beneficial to improve the performances of high-speed spindle system.

Originality/value

This work can be a valuable guide for the future high-speed hybrid journal bearing design.

Keywords

Citation

Lin, Q., Wei, Z., Wang, N. and Zhang, Y. (2016), "Effect of recess configuration on the performances of high-speed hybrid journal bearing", Industrial Lubrication and Tribology, Vol. 68 No. 3, pp. 301-307. https://doi.org/10.1108/ILT-07-2015-0115

Publisher

:

Emerald Group Publishing Limited

Copyright © 2016, Emerald Group Publishing Limited

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