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An experimental study on the rotational accuracy of variable preload spindle-bearing system

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Hu, Gaofeng, Gao, Weiguo, Chen, Ye, Zhang, Dawei, Tian, Yanling, Qi, Xiangyang and Zhang, Hongjie (2018) An experimental study on the rotational accuracy of variable preload spindle-bearing system. Advances in Mechanical Engineering, 10 (5). pp. 1-14. doi:10.1177/1687814018776171 ISSN 1687-8140.

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Official URL: https://doi.org/10.1177/1687814018776171

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Abstract

The rotational performance of the spindle-bearing system has critical influence upon the geometric shape and surface roughness of the machined parts. The effects of preload and preload method on the rotational performance of the spindle-bearing system is explored experimentally to reveal the role of preload and preload method in spindle rotational performances under different speeds. A test rig on which both the rigid preload and elastic preload can be realized, equipped with variable preload spindle-bearing system, is developed. Based on the mechanical model, the relationship of the axial preload and negative axial clearance of the spindle-bearing system is provided. Rotating sensitive radial error motion tests are conducted for evaluating synchronous and asynchronous radial errors of the variable preload spindle-bearing system under different rotating speeds and preload methods. The change regularity of synchronous and asynchronous radial errors with preloads under different rotating speeds are given. The results show that the preload plays an important role on the rotational performance of spindle-bearing system. The rigid preload is more efficient in achieving better rotational performance than elastic preload under the same rotating speed. Furthermore, this article significantly guides the preload designing and assembling of the new spindle-bearing system.

Item Type: Journal Article
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Science, Engineering and Medicine > Engineering > Engineering
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Machining -- Testing -- Mathematical mdoels, Spindles (Machine-tools), Bearings (Machinery)
Journal or Publication Title: Advances in Mechanical Engineering
Publisher: SAGE Publications
ISSN: 1687-8140
Official Date: 23 May 2018
Dates:
DateEvent
23 May 2018Published
17 April 2018Accepted
Volume: 10
Number: 5
Page Range: pp. 1-14
DOI: 10.1177/1687814018776171
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 5 June 2018
Date of first compliant Open Access: 6 June 2018
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
51775375National Natural Science Foundation of Chinahttp://dx.doi.org/10.13039/501100001809
2017ZX04021001Ministry of Science and Technology of the People's Republic of Chinahttp://dx.doi.org/10.13039/501100002855
17JCZDJC40300Natural Science Foundation of Tianjin Cityhttp://dx.doi.org/10.13039/501100006606

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