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首页> 外文期刊>Computer Methods in Applied Mechanics and Engineering >Asymmetric modified spur gear drives: reduction of noise, localization of contact, simulation of meshing and stress analysis
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Asymmetric modified spur gear drives: reduction of noise, localization of contact, simulation of meshing and stress analysis

机译：非对称改进型正齿轮传动：降低噪音，接触定位，啮合模拟和应力分析

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摘要

An asymmetric spur gear drive is considered. The asymmetry means that larger and smaller pressure angles are applied for the driving and coast sides. respectively. The conventional design of Such a drive is based on application of involute profiles. The authors Propose a modified geometry of an asymmetric spur gear drive designed as a combinution of an involute gear and a double crowned pinion that enables to localize and stabilize the bearing contact and obtain a favorable shape of transmission errors of reduced magnitude. Computerized design of spur gears of proposed geometry and simulation of their meshing and contact have been developed. A method of generation of a double-crowned pinion has been developed as well stress analysis of symmetric and asymmetric spur gears have been accomplished, that confirm reduction of contact and bending stresses for an asymmetric spur gear drive. The developed theory is illustrated with numerical examples.
机译：考虑非对称正齿轮驱动。不对称意味着将较大和较小的压力角应用于行驶侧和滑行侧。分别。这种驱动器的常规设计基于渐开线轮廓的应用。作者提出了一种不对称正齿轮驱动器的改进的几何形状，该几何形状设计为渐开线齿轮和双冠小齿轮的组合，能够定位和稳定轴承接触并获得减小幅度的有利传递误差形状。已经开发出具有建议几何形状的正齿轮的计算机化设计及其啮合和接触的模拟。已经开发了一种产生双冠小齿轮的方法，并且已经完成了对对称和不对称正齿轮的应力分析，这确认了非对称正齿轮驱动的接触应力和弯曲应力的减小。所开发的理论通过数值示例进行说明。

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