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TECHNICAL PAPERS

Nonlinear Excitation Model of Ball Bearing Waviness in a Rigid Rotor Supported by Two or More Ball Bearings Considering Five Degrees of Freedom

[+] Author and Article Information
G. H. Jang, S. W. Jeong

PREM, Department of Mechanical Engineering, Hanyang University, Seoul, 133-791, Korea

J. Tribol 124(1), 82-90 (Jun 01, 2001) (9 pages) doi:10.1115/1.1398289 History: Received February 01, 2001; Revised June 01, 2001
Copyright © 2002 by ASME
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References

Figures

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Rigid rotor supported by a pair of ball bearings
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Position vector of groove radius center: (a) x-z plane; and (b) x-y plane.
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Flow chart of the simulation of the bearing vibration
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Principal frequencies and the harmonics of the radial bearing force at the left bearing (ball waviness order=2)
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Principal frequencies and the harmonics of the axial bearing force at the left bearing (ball waviness order=2)
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Principal frequencies of the radial bearing force at the left bearing (inner race waviness order=7,9)
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Principal frequencies and the harmonics of the axial bearing force at the left bearing (inner race waviness order=8)
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Principal frequencies and the harmonics of the bearing force at the left bearing (inner waviness order=7,8,9)
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Principal frequencies, harmonics and sideband frequencies of the bearing force at the left bearing (inner race waviness order=8, ball waviness order=2): (a) axial bearing force; and (b) radial bearing force.
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Principal frequencies and the harmonics of moment and net axial forces (ball waviness order=2, distance between mass center and bearing span center=2 mm): (a) moment; and (b) net axial force.

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