Study on the Spalling Fault Degradation Mechanism and Dynamic Model of Gear Tooth Surfaces

Peng Yi; Wu Shengli; Xing Wenting; Wang Chonghao

doi:10.16578/j.issn.1004.2539.2023.10.002

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Study on the Spalling Fault Degradation Mechanism and Dynamic Model of Gear Tooth Surfaces

Theory·Research | 更新时间：2023-10-09

- Study on the Spalling Fault Degradation Mechanism and Dynamic Model of Gear Tooth Surfaces
- Journal of Mechanical Transmission Vol. 47, Issue 10, Pages: 10-16(2023)
- 作者机构：
  
  1.重庆交通大学交通运输学院，重庆 400074
  2.重庆工商大学管理科学与工程学院，重庆 400067
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.10.002
  CLC：
- Published：15 October 2023，
  
  Received：03 August 2022，
  
  Revised：12 August 2022，
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彭毅,吴胜利,邢文婷等.轮齿表面剥落故障劣化机制动力学模型研究[J].机械传动,2023,47(10):10-16.

Peng Yi,Wu Shengli,Xing Wenting,et al.Study on the Spalling Fault Degradation Mechanism and Dynamic Model of Gear Tooth Surfaces[J].Journal of Mechanical Transmission,2023,47(10):10-16.
彭毅,吴胜利,邢文婷等.轮齿表面剥落故障劣化机制动力学模型研究[J].机械传动,2023,47(10):10-16. DOI： 10.16578/j.issn.1004.2539.2023.10.002.

Peng Yi,Wu Shengli,Xing Wenting,et al.Study on the Spalling Fault Degradation Mechanism and Dynamic Model of Gear Tooth Surfaces[J].Journal of Mechanical Transmission,2023,47(10):10-16. DOI： 10.16578/j.issn.1004.2539.2023.10.002.

摘要

在交变载荷作用下，轮齿表面不可避免地会萌生初始裂纹并逐步演化为剥落等故障，严重影响传动系统精度。但目前更多关注的是对轮齿表面出现显著故障时的研究，难以对轮齿表面早期故障进行实时监测。因此，亟须对轮齿表面早期故障演化机制开展系统性研究，及时识别轮齿表面早期故障特征。为此，基于改进的能量法，构建了齿面裂纹萌生及劣化为剥落故障的时变啮合刚度模型；考虑裂纹横向扩展路径及边缘接触效应，研究了其对时变啮合刚度的影响规律。结果显示，齿面裂纹和剥落对时变啮合刚度的影响都只在一定的区域内；裂纹长度的增加会使啮合刚度降低的速度加快；剥落宽度对啮合刚度的大小有影响；剥落长度对啮合刚度减少的开始和结束有影响；在边缘接触作用影响下，剥落边缘的啮合刚度会突然增加。

Abstract

Under the action of alternating load

the initial crack on the gear tooth surface would inevitably initiate and gradually evolve into spalling and other faults. It has a serious impact on the transmission system. More attention is paid to the research when there are apparent faults on the gear tooth surface

and it is difficult to monitor the early faults on the gear tooth surface in real time. Therefore

it is essential to make systematic research on the evolution mechanism of early fault on the gear tooth surface and identify the early fault characteristics of the gear tooth surface in time. According to the improved energy method

a time-varying meshing stiffness model of tooth surface crack initiation and degradation into spalling fault is constructed. Considering the transverse propagation path of the cracks and edge contact effect

the impact of the model on the time-varying meshing stiffness is studied. The results indicate that the impact of surface crack and spalling on the time-varying meshing stiffness is only in a specific area

and the impact of crack length would accelerate the decrease of the meshing stiffness. The spalling width has an impact on the time-varying meshing stiffness

and the spalling length has an impact on the beginning and end of the time-varying meshing stiffness reduction. The spalling edge meshing stiffness would suddenly increase due to the influence of the edge contact.

关键词

齿面裂纹剥落边缘接触效应时变啮合刚度

Keywords

Tooth surface crackSpallingEdge contact effectTime-varying meshing stiffness

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