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Analysis and optimization of main influencing factors on vibration offset of aerostatic spindle

Dongju Chen (Mechanical Industry Key Laboratory of Heavy Machine Tool Digital Design and Testing, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China)
Xuan Zhang (Mechanical Industry Key Laboratory of Heavy Machine Tool Digital Design and Testing, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China)
Kun Sun (Mechanical Industry Key Laboratory of Heavy Machine Tool Digital Design and Testing, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China)
Jinwei Fan (Mechanical Industry Key Laboratory of Heavy Machine Tool Digital Design and Testing, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, China)

Industrial Lubrication and Tribology

ISSN: 0036-8792

Article publication date: 14 March 2022

Issue publication date: 30 May 2022

119

Abstract

Purpose

This paper aims to study the influence degree of three factors affecting the vibration amplitude of aerostatic spindle and optimizes each factor.

Design/methodology/approach

The vibration amplitude of the spindle is characterized according to internal structure and operating characteristics of aerostatic spindle. The radial and axial vibration models of aerostatic spindle were established by the spring-damper system. The influence degree of main influencing factors on the spindle vibration amplitude was investigated through correlation analysis.

Findings

The results indicate that the crucial factor is aerostatic spindle speed and experiments validated that increasing spindle speed can enhance spindle stability. The influence of three factors on radial vibration is greater than that on axial vibration. Finally, the values of optimal working parameters were obtained by genetic algorithm.

Originality/value

The method in this article can effectively predict aerostatic spindle vibration amplitude and perfect the stability of aerostatic spindle.

Keywords

Acknowledgements

This research was funded by the National Natural Science Foundation of China, Grant No. (51875005).

Declaration of conflicting of interests: Authors declare that they have no financial and personal relationships with other people or organizations that can inappropriately influence their work, there is no professional or other personal interest of any nature or kind in any product, service and/or company that could be construed as influencing the position presented in, or the review of, the manuscript entitled, “Analysis and optimization of main influencing factors on vibration offset of aerostatic spindle”.

Citation

Chen, D., Zhang, X., Sun, K. and Fan, J. (2022), "Analysis and optimization of main influencing factors on vibration offset of aerostatic spindle", Industrial Lubrication and Tribology, Vol. 74 No. 5, pp. 498-506. https://doi.org/10.1108/ILT-10-2021-0429

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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