Dynamic Analysis and Design of a Machine Tool Spindle-Bearing System

[+] Author and Article Information
W. R. Wang, C. N. Chang

Department of Mechanical Engineering, National Central University, Taiwan, R.O.C.

J. Vib. Acoust 116(3), 280-285 (Jul 01, 1994) (6 pages) doi:10.1115/1.2930426 History: Received June 01, 1992; Revised August 01, 1992; Online June 17, 2008


The paper simulates a spindle-bearing system with a finite-element model; then compares it to the experimental results. Radial and tilting springs and dashpots are considered in angular contact spindle ball bearings. This FEM model shows that additional tilting characteristics make significant effect on higher-order vibration modes. The design parameters used in this study are bearing preloads, bearing spacings, mass inserts on spindle and damping. Computations and experimental results show that improvements can be made by adjusting the forementioned parameters.

Copyright © 1994 by The American Society of Mechanical Engineers
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