A comprehensive analysis method of the performance degradation of planetary roller screws under the time-varying load and errors

IF 1.8 4区工程技术 Q3 ENGINEERING, MECHANICAL

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science Pub Date : 2024-07-30 DOI:10.1177/09544062241264751

Kui Chen, Yongsheng Zhao, Jigui Zheng, Jianhui Wang, Yongqiang Dou

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引用次数: 0

Abstract

Time-varying loads, manufacturing errors, and assembly errors are the main factors leading to the performance degradation of the planetary roller screw mechanism. This paper proposes a comprehensive analysis method for the performance degradation of the planetary roller screw mechanism caused by time-varying loads and manufacturing and assembly errors. Firstly, a simulation analysis model of the planetary roller screw mechanism was established and its effectiveness was verified. A quantitative analysis was conducted on the influence of manufacturing and assembly errors on the load distribution, revealing the load-bearing mechanism under the influence of errors. Secondly, loading experiments were conducted on the planetary roller screw mechanism, and the degradation of its load-bearing performance was divided into the normal degradation stage, the accelerated degradation stage, and the failure stage. The experimental results prove that the initial transmission accuracy has a significant impact on the degradation of the load-bearing performance, determining the occurrence of the node where the accelerated degradation stage appears in the load-bearing performance. Thirdly, the wear status of the threads and gears was examined, and the results showed that material peeling was the main factor causing the degradation of load-bearing performance.

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时变载荷和误差下行星滚柱螺杆性能退化的综合分析方法

时变载荷、制造误差和装配误差是导致行星滚柱丝杠机构性能下降的主要因素。本文针对时变载荷、制造和装配误差引起的行星滚柱丝杠机构性能下降提出了一种综合分析方法。首先，建立了行星滚柱丝杠机构的仿真分析模型，并验证了其有效性。对制造和装配误差对载荷分布的影响进行了定量分析，揭示了误差影响下的承载机构。其次，对行星滚柱丝杠机构进行了加载实验，并将其承载性能退化分为正常退化阶段、加速退化阶段和失效阶段。实验结果证明，初始传动精度对承载性能退化有显著影响，决定了承载性能加速退化阶段节点的出现。第三，研究了螺纹和齿轮的磨损状况，结果表明材料剥落是导致承载性能退化的主要因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 工程技术-工程：机械

CiteScore

3.80

自引率

10.00%

发文量

625

审稿时长

4.3 months

期刊介绍： The Journal of Mechanical Engineering Science advances the understanding of both the fundamentals of engineering science and its application to the solution of challenges and problems in engineering.