This note presents how bearing asymmetry affects natural frequencies and mode shapes of a rotating disk/spindle system through a perturbation analysis. The analysis will focus on rocking motion of the disk/spindle system that consists of rigid-body rocking of the spindle, one-nodal-diameter modes of each disk, and deformation of spindle bearings.
Rocking Vibration of Rotating Disk and Spindle Systems With Asymmetric Bearings
Contributed by the Applied Mechanics Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF APPLIED MECHANICS. Manuscript received by the ASME Applied Mechanics Division, Feb. 1, 2001; final revision, Sept. 27, 2002. Associate Editor: A. A. Ferri.
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Park , J. S., Shen , I. Y., and Ku , C. R. (March 27, 2003). "Rocking Vibration of Rotating Disk and Spindle Systems With Asymmetric Bearings." ASME. J. Appl. Mech. March 2003; 70(2): 299–302. https://doi.org/10.1115/1.1544537
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