摩擦对齿轮齿接触的影响分析

IF 1.5 Q3 ENGINEERING, MECHANICAL
Zheng Li, K. Mao
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引用次数: 15

摘要

本文着重研究了齿轮啮合时齿间的摩擦剪切应力情况,以及摩擦对齿轮啮合时弯曲应力和传动误差的影响。滑动摩擦是造成齿轮失效和振动的主要原因之一;充分考虑摩擦效应对于准确理解齿轮接触行为至关重要。采用有限元方法分析了直齿直齿轮齿间摩擦对齿轮性能的影响。建立了齿轮滚动/滑动接触的非线性有限元模型。识别了多齿对的接触区域,导出了相应的集成情况。所示的静态和动态边界条件下的弯曲应力和传动误差结果表明,接触齿轮齿面之间的滑动摩擦对齿轮的弯曲应力和传动误差有显著影响,且摩擦效应不可忽视。为了理解静、动摩擦对齿轮齿接触分析的特殊影响,还将讨论所得结果中的一些重要现象。提出了齿面摩擦剪切应力的潜在重要贡献,特别是在静态和动态边界条件下齿轮齿面接触分析的情况下。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Frictional Effects on Gear Tooth Contact Analysis
The present paper concentrates on the investigations regarding the situations of frictional shear stress of gear teeth and the relevant frictional effects on bending stresses and transmission error in gear meshing. Sliding friction is one of the major reasons causing gear failure and vibration; the adequate consideration of frictional effects is essential for understanding gear contact behavior accurately. An analysis of tooth frictional effect on gear performance in spur gear is presented using finite element method. Nonlinear finite element model for gear tooth contact with rolling/sliding is then developed. The contact zones for multiple tooth pairs are identified and the associated integration situation is derived. The illustrated bending stress and transmission error results with static and dynamic boundary conditions indicate the significant effects due to the sliding friction between the surfaces of contacted gear teeth, and the friction effect can not be ignored. To understand the particular static and dynamic frictional effects on gear tooth contact analysis, some significant phenomena of gained results will also be discussed. The potentially significant contribution of tooth frictional shear stress is presented, particularly in the case of gear tooth contact analysis with both static and dynamic boundary conditions.
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来源期刊
Advances in Tribology
Advances in Tribology ENGINEERING, MECHANICAL-
CiteScore
5.00
自引率
0.00%
发文量
1
审稿时长
13 weeks
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