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RESEARCH PAPERS

The Mechanical Efficiency of Epicyclic Gear Trains

[+] Author and Article Information
E. Pennestrì

Dept. of Mechanics, University of Calabria, 87030 Arcavacata di Rende, Italy

F. Freudenstein

Columbia University, New York, N.Y. 10027

J. Mech. Des 115(3), 645-651 (Sep 01, 1993) (7 pages) doi:10.1115/1.2919239 History: Received July 01, 1991; Online June 02, 2008

Abstract

The analysis of mechanical efficiency constitutes an important phase in the design analysis of gear drives. The objective of this investigation has been the development of a general algorithm for the determination of efficiency in split-power spur-gear trains. The model includes meshing losses only; for a more realistic estimation other sources can be considered separately. The systematic nature of the formulation, based on the dual correspondence between the kinematic structure of the gear drive and a labelled graph, allows a ready coding of the efficiency analysis in a general computer program. The numerical results are in line with those given by other authors using different methodologies.

Copyright © 1993 by The American Society of Mechanical Engineers
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