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Research on Structural Design and Mechanical Behavior of Double Arc Tooth Profile Harmonic Drive

Abstract

谐波齿轮减速器是一种传动精度高、减速比大并能够在密闭空间传动的齿轮传动机构,应用领域广泛,尤其在航空航天领域有不可替代的优势。常用的渐开线齿廓齿根处会出现应力集中以及齿顶产生尖点啮合现象,影响其承载性能和啮合质量。双圆弧齿形谐波齿轮以其良好的承载能力与啮合性能逐渐成为研究热点,本文根据谐波齿轮设计理论设计了双圆弧谐波齿轮装置,并对其结构性能、接触特性以及动力学等方面的分析,探索相关规律,为后续在结构优化、增强啮合性能提供了一定的理论依据。 论文主要包括以下几方面内容: 1.基于齿轮啮合原理和柔轮弹性变形过程的分析设计双圆弧谐波齿轮。根据双圆弧齿廓谐波齿轮的运动关系,将柔轮的弹性变形过程融入...The harmonic drive(HD) reducer is a gear mechanism of high precision, large transmission ratio, the ability to work in a closed space. It has been used in various regions, especially in aeronautics and astronautics. The double arc tooth profile harmonic drive is becoming a hot area of research for its advantage in torsional stiffness and meshing performance. The paper designed a set of double arc ...学位:工学硕士院系专业:物理与机电工程学院_机械制造及其自动化学号:1992012115273

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