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| Tests for transmission error and tooth root stress of spiral bevel gears under quasi-static condition |
| WANG Cheng1, WAN Bowen2, CHEN Yanyan3, MAO Feihong1, GUO Jing1, CHEN Juan1 |
1.Key Laboratory of Vehicle Transmission,, China North Vehicle Research Institute, Beijing 100072, China;
2.School of Mechanical Engineering, Zhejiang University, Hangzhou 310027, China;
3.School of Mechanical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China |
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Abstract 开展弧齿锥齿轮的试验研究可为理论设计、制造和装配等提供基础数据，提高弧齿锥齿轮的啮合质量和使用性能。以弧齿锥齿轮为研究对象，采用功率封闭试验系统，在准静态条件下开展试验研究。对不同转速和扭矩工况的传递误差和齿根应力开展测试，并从时域和频域角度进行了对比分析。结果表明：弧齿锥齿轮的传递误差呈正弦或余弦形式波动，并以转频对应幅值为主；随着扭矩的增加，弧齿锥齿轮传递误差峰峰值呈现递增的趋势，且传递误差转频对应幅值近似呈线性比例增加；转速对传递误差峰峰值影响较小，但对传递误差转频对应幅值影响较大。随着扭矩的增加，齿根应力峰峰值呈线性比例递增；转速对齿根应力峰峰值的影响较小；从小端到大端，齿根应力的变化很大且呈现增大的趋势；齿轮啮合过程中，轮齿进入啮合时，齿根应力为拉伸方向且应力逐渐增加达到峰值，随后轮齿逐渐退出啮合，齿根应力逐渐减小直至压缩方向并达到最小值；从频域角度齿根应力以转频及其倍频为主。
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Received: 12 April 2019
Published: 28 July 2020
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