期刊
MECHANISM AND MACHINE THEORY
卷 161, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechmachtheory.2021.104319
关键词
Mesh stiffness; Transmission error; Gears; Contact mechanics; Lightweight gears
Various methodologies for calculating mesh stiffness in spur gears have been reviewed, with a focus on three most commonly used methods. A critical analysis of these methods was conducted, emphasizing key aspects of the mesh stiffness estimation process. Comparison of the methods in terms of accuracy and computational time, and the introduction of two variants of a hybrid method were also presented, with the goal of providing guidelines for selecting the most suitable approach based on specific requirements.
Several methodologies for the mesh stiffness calculation in spur gears have been found in the literature, in the last decades. Based on a bibliographical analysis and the research activities of the authors, attention has been devoted to three methodologies, which appeared as the most employed and cited. A critical review of such methodologies, FE-based method, hybrid analytical-FE method, and analytical approach, has been undertaken, highlighting some crucial aspects regarding the mesh stiffness estimation process. Within this framework, useful information related to the critical choice of parameters needed for the implementation of the methods are presented, in order to provide further guidelines for their application. Furthermore, the methods are compared in terms of results accuracy and computational time for full blank and lightweight gears. This comparison leads to useful guidelines regarding the definition of the most suitable approach depending on the specific requirements. Finally, two variants of an examined hybrid method are presented. They are based on linear, nonlinear FE analyses and analytical formulation. Their purpose is to compare the use of different analytical formulations against the FE formulation for the computation of the local deformation of gear teeth. (c) 2021 Elsevier Ltd. All rights reserved.
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