Dynamic characteristics of spiral groove bearing spindles: comparison between rotating‐shaft and fixed‐shaft designs

descriptionPublicationkeyboard_double_arrow_right Article 14 Dec 2005 English Publisher:WileyJournal:Tribotest, volume 12, pages 83-90 (issn: 1354-4063, eissn: 1557-685X,

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Authors: Q. Zou; Y. Tian; S. Wen; D. Konno;

doi: 10.1002/tt.7

Dynamic characteristics of spiral groove bearing spindles: comparison between rotating‐shaft and fixed‐shaft designs

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Abstract

AbstractIn this paper, two types of spiral groove bearing (SGB) spindles, a rotating‐shaft spindle and a fixed‐shaft spindle, are analysed, and the dynamic characteristics of these two types of spindles are tested and compared. The effects of lubricants on the dynamic characteristics and power consumption of the spindles are considered. It is found that the dynamic characteristics of the fixed‐shaft spindle are much better in terms of non‐repeatable run out than those of the rotating‐shaft spindle. The lubricants are found to have significant effects on both the dynamic characteristics and power consumption of the spindles. Copyright © 2006 John Wiley & Sons, Ltd.

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