Design of a Viscoelastic Dynamic Absorber for Machine Tool Applications

[+] Author and Article Information
G. L. Nessler

Applied Dynamics & Acoustics Section, Battelle Columbus Laboratory, Columbus, Ohio

D. L. Brown

Mechanical Engineering, University of Cincinnati, Cincinnati, Ohio

D. C. Stouffer

Engineering Analysis, University of Cincinnati, Cincinnati, Ohio

K. C. Maddox

Design Group, Structural Dynamics Research Corporation, Cincinnati, Ohio

J. Eng. Ind 99(3), 620-623 (Aug 01, 1977) (4 pages) doi:10.1115/1.3439288 History: Received June 21, 1976; Online July 15, 2010


The design equations are developed for a viscoelastic dynamic absorber in uniaxial compression. The dependence of mechanical properties of the absorber on frequency, temperature, and preload are developed through an extension of the thermorheologically simple theory of linear viscoelasticity. An approximation of the exact boundary value problem is made in order to develop practical design criteria for the size and shape of the absorber element. The results of the experimental program for the constitutive equation are included. A dynamic absorber is designed to control a self-excited lathe chatter problem and a significant improvement is demonstrated.

Copyright © 1977 by ASME
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