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Effect of geometry and operating conditions on spur gear system power lossThe results of an analysis of the effects of spur gear size, pitch, width and ratio on total mesh power loss for a wide range of speeds, torques and oil viscosities are presented. The analysis uses simple algebraic expressions to determine gear sliding, rolling and windage losses and also incorporates an approximate ball bearing power loss expression. The analysis shows good agreement with published data. Large diameter and fine-pitched gears had higher peak efficiencies but lower part-load efficiency. Gear efficiencies were generally greater than 98 percent except at very low torque levels. Tare (no-load) losses are generally a significant percentage of the full-load loss except at low speeds.
Document ID
19800062239
Document Type
Conference Paper
Authors
Anderson, N. E. (U.S. Army, Propulsion Laboratory, Cleveland Ohio, United States)
Loewenthal, S. H. (NASA Lewis Research Center Cleveland, Ohio, United States)
Date Acquired
August 10, 2013
Publication Date
August 1, 1980
Subject Category
MECHANICAL ENGINEERING
Meeting Information
International Power Transmission and Gearing Conference(San Francisco, CA)
Distribution Limits
Public
Copyright
Other