Analysis of the Dynamics of a Type 4 Suspension

[+] Author and Article Information
A. H. Jeans

Hewlett-Packard Laboratories, Palo Alto, CA 94304

J. Vib. Acoust 114(1), 74-78 (Jan 01, 1992) (5 pages) doi:10.1115/1.2930237 History: Received September 01, 1990; Online June 17, 2008


A finite element model of a suspension for read-write heads in disk drives is developed. The modelled vibration modes are compared with measurements and agree well in shape and frequency. The sway mode, of particular concern in disk drives with rotary actuators and laterally actuated suspensions, is investigated more thoroughly with regard to its sensitivity to stiffness, thickness, and shape of various parts of the load-beam.

Copyright © 1992 by The American Society of Mechanical Engineers
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