仿生对数螺旋正齿轮传动装置的计算机化设计、啮合模拟和应力分析

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-06-06 DOI:10.1080/09544828.2024.2360388

Jingyu Mo, Kong Yuan, Rui Wang, Shengping Fu, Yaou Luo, Yandong Li

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引用次数: 0

摘要

受自然界中对数螺旋线固有特性的启发，提出了一种以对数螺旋线为齿廓的新型圆柱直齿轮传动装置。首先探讨了对数螺旋的特性，然后推导出了拟议齿轮副的啮合方程、共轭齿形和接触路径。研究了新齿对的啮合特性，如压力角、接触比和滑动比。在生产拟议的齿轮之前，使用强度、传动误差和传动效率的仿真分析来验证齿轮对的性能，然后对制造的齿轮对进行胶合负载能力和弯曲疲劳强度测试。结果表明，拟议齿轮齿廓上任何一点的压力角都是恒定的，等于对数螺旋打击角。齿轮的接触比随着撞击角的增大而减小。与渐开线齿轮相比，对数螺旋齿轮在强度、传动误差、传动效率和使用寿命方面都具有更好的性能。

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Computerised design, simulation of meshing and stress analysis of bionic logarithmic spiral spur gear drives

Inspired by the inherent properties of logarithmic spiral in nature, a new cylindrical spur gear drives using logarithmic spiral as a gear tooth profile is proposed. The logarithmic spiral property is explored, and then the equation of meshing, conjugate tooth profile and contact path of the proposed gear pairs are derived. The meshing characteristics of the new pair are investigated, such as pressure angle, contact ratio and sliding ratio. Simulation analysis of the strength, transmission error and transmission efficiency are used to validate the performance of the gear pairs before production of the proposed gear, followed by gluing load capacity and bending fatigue strength testing of the fabricated gear pairs. The results show that the pressure angle at any point of the tooth profile on the proposed gear is constant and equal to the logarithmic spiral strike angle. The contact ratio of the gear decreases with the increase of the strike angle. Compared with that of involute gears, logarithmic spiral gears have better performance in terms of strength, transmission error, transmission efficiency and lifetime.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.