Optical analysis of ball-on-ring mode test rig for oil film thickness measurement

Yaoguang ZHANG; Wenzhong WANG; Shengguang ZHANG; Ziqiang ZHAO

doi:10.1007/s40544-016-0127-5

Friction 2016, 4(4): 324-334 https://doi.org/10.1007/s40544-016-0127-5

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Open Access | Issue | Published: 23 December 2016

Optical analysis of ball-on-ring mode test rig for oil film thickness measurement

Show Author's Information Hide Author's Information Yaoguang ZHANG, Wenzhong WANG(

), Shengguang ZHANG, Ziqiang ZHAO

School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China

Keywords:

film thickness measurement, optical interference, optical matrix, rolling bearing, high speed

Cite this article:

ZHANG Y, WANG W, ZHANG S, et al. Optical analysis of ball-on-ring mode test rig for oil film thickness measurement. Friction, 2016, 4(4): 324-334. https://doi.org/10.1007/s40544-016-0127-5

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Abstract

There are few experimental results available on film thickness at speeds above 5 m/s and they are almost all based on the optical ball-on-disc test rig. In contrast to the contacts in a rolling bearing, in which the lubricant in the oil reservoir distributes symmetrically, ball-on-disc contact shows asymmetry of lubricant distribution due to centrifugal effects. In order to closely imitate the contact occurring between the ball and the outer ring of a ball bearing, this study proposes an experimental model based on ball-on-glass ring contact. An optical matrix method is used to analyze the optical system, which is composed of a steel ball-lubricant-chromium-coated glass ring. Based on the optical analysis, the measurement system is improved in order to obtain a high quality interference image, which makes it possible to measure the film thickness at high-speeds conditions.

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About this article

Optical analysis of ball-on-ring mode test rig for oil film thickness measurement

Show Author's information Hide Author's Information Yaoguang ZHANG, Wenzhong WANG(

), Shengguang ZHANG, Ziqiang ZHAO

School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, China

Abstract

Keywords: film thickness measurement, optical interference, optical matrix, rolling bearing, high speed

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Acknowledgements

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Publication history

Received: 16 July 2016

Revised: 26 September 2016

Accepted: 26 October 2016

Published: 23 December 2016

Issue date: June 2021

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Acknowledgements

The work was supported by the National Natural Science Foundation of China (Nos. 51675046 and 51275045) and the National Key Basic Research (973) Program of China (No. 2011CB706602).

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