http://worldcat.org/entity/work/id/21383776

Theory of gearing

The author has significantly contributed to the goals of the NASA/ army transmission program by his accomplishments in the science of gearing and his authorship of this book. His work has provided a mathematical basis which improves our understanding of bevel gear geometry and the manufacturing procedure. His work has provided solutions to reduce gear noise and to enable a smoother transfer of power in helicopters. In summary, he has directly contributed to advance the state of the art in helicopter power transmission technology, and has made a significant contribution to NASA's research projects and to the public good. This book explains the most general problems of the theory of gearing, but it represents only a part of Dr. Litvins's accomplishments. His research contributions have improved (1) almost all types of gearing including spur, helical, hypoid, bevel, worm, and noncircular gears; (2) tools for gear manufacture; and (3) computer programs for simulation of meshing and contact. His theorems, methods for gear synthesis, and methods for gear generation represent a very significant contribution to the science of gearing.

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