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Type: Artigo de periódico
Title: Investigation of tooth contact deviations from the plane of action and their effects on gear transmission error
Author: Wink, CH
Serpa, AL
Abstract: In this paper tooth contact deviations from the plane of action and their effects on gear transmission error are investigated. Tooth contact deviations come from intentional modification of involute tooth surfaces such as tip and root profile relief, manufacturing errors such as adjacent pitch error, profile errors, misalignment and lead errors; and tooth elastic deflections under load, for example, bending and local contact deflections. Those deviations are usually neglected on gear tooth contact models. A procedure to calculate the static transmission error of spur and helical gears under loading is proposed. In the proposed procedure, contact analysis is carried out on the whole tooth surface, eliminating the usual assumption that tooth contact occurs only on the plane of action. Lead and profile modifications, manufacturing errors and tooth elastic deflections are considered in the calculation procedure. The method of influence coefficients is employed to calculate the tooth elastic deflections. Load distribution on gear meshing is determined using an iterative-incremental method. Results of some numerical examples of spur and helical gears are analysed and discussed. The results indicate that the tooth contact deviations from the plane of action can lead to imprecision on the gear transmission error calculation if they are not take into account. Therefore, the proposed procedure provides a more accurate calculation methodology of gear transmission error, since a global contact analysis is done.
Subject: gear transmission error
gear noise
tooth contact
gear load distribution
Country: Inglaterra
Editor: Professional Engineering Publishing Ltd
Rights: fechado
Identifier DOI: 10.1243/095440605X16983
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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