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RESEARCH PAPERS

Dynamic Acceptance Tests Applied to a Center-Type Lathe

[+] Author and Article Information
M. M. Sadek, W. A. Knight

Mechanical Engineering Department, University of Birmingham, England

J. Eng. Ind 97(1), 203-210 (Feb 01, 1975) (8 pages) doi:10.1115/1.3438538 History: Received February 25, 1974; Online July 15, 2010

Abstract

Dynamic acceptance tests based upon forced vibration tests employing electromagnetic exciters are applied to a center-type lathe. The stability is assessed in terms of the coefficient of merit (c.o.m.), which is determined from the harmonic responses of the machine. The influence of the following on the harmonic responses, modes of vibration, and limit of stability of the machine have been determined: Position of excitation along the axis of the lathe; Weight of testpiece; Support of the workpiece with or without a center; and Variation of the thrust between the workpiece and the center.

Copyright © 1975 by ASME
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