Effect of tooth surface wear on dynamic characteristics of spur gear transmission system

IF 0.8 4区工程技术 Q4 ENGINEERING, MECHANICAL

Transactions of The Canadian Society for Mechanical Engineering Pub Date : 2024-07-10 DOI:10.1139/tcsme-2023-0152

Juan Zhao, Hongchuan Cheng, Kaiwen Lu, Songnian Liu, Zhou Yang

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引用次数: 0

Abstract

The meshing stiffness and system dynamic characteristics caused by gear wear fault are studied. Firstly, potential energy method was used to model and solve the meshing stiffness of gears and the effect of wear on the meshing stiffness and static transfer error was analyzed. A 6-dof spur gear dynamics model was established considering various nonlinear factors, and the dynamic responses of the spur gear system under various wear degrees were analyzed by using time domain, spectrum, phase plane and Poincare mapping. Finally, the visual test platform of the gear box is built, and the wear condition and dynamic response of the gear box under different wear cycles are analyzed. Results show that the meshing stiffness of gear decreases due to wear, and the meshing stiffness of double tooth decreases more than that of single tooth. In addition, the static transmission errors caused by wear changes periodically with meshing frequency. Wear causes the vibration response of gear system to become complex gradually, and the nonlinear of the system is enhanced, which changes from single period motion to quasi period motion. Results can provide theoretical support for gear wear reduction, life extension, vibration reduction and noise reduction and lubrication improvement.

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齿面磨损对正齿轮传动系统动态特性的影响

研究了齿轮磨损故障引起的啮合刚度和系统动态特性。首先，采用势能法对齿轮的啮合刚度进行建模和求解，分析了磨损对啮合刚度和静态传递误差的影响。考虑到各种非线性因素，建立了 6-dof 正齿轮动力学模型，并利用时域、频谱、相平面和 Poincare 映射等方法分析了正齿轮系统在不同磨损程度下的动态响应。最后，建立了齿轮箱的可视化测试平台，分析了齿轮箱在不同磨损周期下的磨损状况和动态响应。结果表明，齿轮的啮合刚度因磨损而降低，双齿的啮合刚度比单齿的啮合刚度降低得更多。此外，磨损导致的静态传动误差随啮合频率的变化而呈周期性变化。磨损使齿轮系统的振动响应逐渐变得复杂，系统的非线性增强，从单周期运动变为准周期运动。研究结果可为减少齿轮磨损、延长使用寿命、减振降噪和改善润滑提供理论支持。

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来源期刊

Transactions of The Canadian Society for Mechanical Engineering 工程技术-工程：机械

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

5 months

期刊介绍： Published since 1972, Transactions of the Canadian Society for Mechanical Engineering is a quarterly journal that publishes comprehensive research articles and notes in the broad field of mechanical engineering. New advances in energy systems, biomechanics, engineering analysis and design, environmental engineering, materials technology, advanced manufacturing, mechatronics, MEMS, nanotechnology, thermo-fluids engineering, and transportation systems are featured.