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Title: A bi-directional rotating fluid bearing system
Authors: Zhang, Q.D. 
Chen, S.X. 
Yang, J.P.
Winoto, S.H. 
Issue Date: Aug-2002
Citation: Zhang, Q.D., Chen, S.X., Yang, J.P., Winoto, S.H. (2002-08). A bi-directional rotating fluid bearing system. Microsystem Technologies 8 (4-5) : 271-277. ScholarBank@NUS Repository.
Abstract: Most fluid bearing systems with grooves on the journal/thrust bearing surfaces were designed to rotate in a specified direction and cannot be reversed. This feature of such fluid bearings limits their application range and hence, a bi-directional rotating fluid bearing system is proposed. The results of numerical simulation on the dynamic characteristics of such bearing system are presented and compared with those of one-directional rotating fluid-bearing system. It shows that for the same load capacity and stiffness requirement, the bi-directional rotating fluid bearing system has a higher power consumption than that of the one-directional counterpart. However, the bidirectional rotating fluid bearing system provides the freedom of rotating spindle motor in either direction and widens the application range of fluid bearing spindle motors.
Source Title: Microsystem Technologies
ISSN: 09467076
DOI: 10.1007/s00542-001-0122-1
Appears in Collections:Staff Publications

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