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Effects of bearing clearance on the chatter stability of milling process

Peng, Z.K., Jackson, M.R., Guo, L.Z., Parkin, R.M. and Meng, G. (2010) Effects of bearing clearance on the chatter stability of milling process. Nonlinear Analysis Real World Applications, 11 (5). pp. 3577-3589. ISSN 1468-1218

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Abstract

In the present study, the influences of the bearing clearance, which is a common fault for machines, to the chatter stability of milling process are examined by using numerical simulation method. The results reveal that the presence of bearing clearance could make the milling process easier to enter the status of chatter instability and can shift the chatter frequency. In addition, the spectra analysis to vibration signals obtained under the instable milling processes show that the presence of bearing clearance could introduce more frequency components to the vibration responses but, however, under both the stable and instable milling processes, the generated frequency components will not violate the ideal spectra structures of the vibration responses of the milling process, which are usually characterized by the tooth passing frequency and its associated higher harmonics for the stable milling process and by the complex coupling of the tooth passing frequency and the chatter frequency for the instable milling process. This implies that, even under the case with bearing clearance fault, the stability of the milling process can still be determined by viewing the frequency spectra of the vibration responses. Moreover, the phenomena of the chatter frequency shift and the generation of more components provide potential ways to detect the bearing clearance in machines. (C) 2010 Elsevier Ltd. All rights reserved.

Item Type: Article
Copyright, Publisher and Additional Information: © 2010 Elsevier. This is an author produced version of a paper subsequently published in Nonlinear Analysis Real World Applications. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: Chatter stability; Nonlinear vibration; Milling process; Bearing clearance
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Automatic Control and Systems Engineering (Sheffield)
Depositing User: Miss Anthea Tucker
Date Deposited: 24 Sep 2010 10:26
Last Modified: 08 Feb 2013 17:01
Published Version: http://dx.doi.org/10.1016/j.nonrwa.2010.01.005
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.nonrwa.2010.01.005
URI: http://eprints.whiterose.ac.uk/id/eprint/11222

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