Minimizing Assembly Imbalance in Turbomachine Rotors Made With Toothed Couplings: Locating Component Mass Centers

[+] Author and Article Information
J. K. Davidson

Mechanical Engineering, Arizona State University, Tempe, Ariz.

J. Eng. Power 99(2), 189-194 (Apr 01, 1977) (6 pages) doi:10.1115/1.3446269 History: Received December 19, 1975; Online July 14, 2010


A method is presented for locating component mass centers in turbomachine rotors made with toothed couplings. In the paper are described the geometrical relationships that would permit one to assemble a turbomachine rotor with predictive knowledge about component mass center locations and thereby have more specific knowledge about rotor mass distribution than is now available. Components are modeled both with one and with two lumped masses. The method requires that the components be balanced individually and that the residual imbalance be measured.

Copyright © 1977 by ASME
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