Modeling and analysis of internal excitation and vibration characteristics of gears with early-stage crack and 3D tooth surface error

IF 4.4 2区工程技术 Q1 ENGINEERING, MECHANICAL

Engineering Failure Analysis Pub Date : 2024-11-22 DOI:10.1016/j.engfailanal.2024.109116

Lantao Yang , Kun Yue , Liming Wang , Fengshou Gu , Andrew Ball

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引用次数: 0

Abstract

Affected by the tooth surface errors, the vibration characteristics of early crack failures are usually various under different tooth surface precision level. Therefore, to reveal the influence of three-dimensional (3D) tooth surface error (TSE) on the internal excitation and vibration characteristics of gears with early-stage crack (ESC), a coupling internal excitation model of gears with ESC and 3D errors is proposed based on a double-layer iterative method. In this model, the influence of meshing phase between tooth pair and along tooth width direction (TWD) on the time-varying mesh stiffness (TVMS) are simultaneously considered, which overcomes the limitations of traditional models that are only suitable for characterizing the coupled excitation of the two-dimensional tooth profile errors and TVMS. Based on verifying the proposed model, the effects of TSE type, parameters, and load on the TVMS, loaded static transmission error (LSTE), load distributions, and torsional deformation of the cracked gear teeth are investigated, and the vibration characteristics of ESC failures under the effects of 3D TSE are also explored. The research results show that the distribution parameters of 3D TSE have a significant effect on the internal excitation and vibration characteristics of gears with ESC, and thus measuring and evaluating the distribution parameters of TSE can help improve the accuracy of gear fault identification and diagnosis methods.

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具有早期裂纹和三维齿面误差的齿轮内激和振动特性建模与分析

受齿面误差的影响，在不同的齿面精度水平下，早期裂纹失效的振动特性通常各不相同。因此，为了揭示三维（3D）齿面误差（TSE）对早期裂纹（ESC）齿轮内部激励和振动特性的影响，基于双层迭代法，提出了一种具有 ESC 和 3D 误差的齿轮耦合内部激励模型。在该模型中，同时考虑了齿对之间和沿齿宽方向（TWD）的啮合相位对时变啮合刚度（TVMS）的影响，克服了传统模型仅适用于表征二维齿廓误差和 TVMS 耦合激励的局限性。在验证所提模型的基础上，研究了 TSE 类型、参数和载荷对开裂轮齿的 TVMS、加载静态传输误差 (LSTE)、载荷分布和扭转变形的影响，并探讨了三维 TSE 作用下 ESC 故障的振动特性。研究结果表明，三维 TSE 分布参数对带 ESC 的齿轮的内部激励和振动特性有显著影响，因此测量和评估 TSE 分布参数有助于提高齿轮故障识别和诊断方法的准确性。

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

Engineering Failure Analysis 工程技术-材料科学：表征与测试

CiteScore

7.70

自引率

20.00%

发文量

956

审稿时长

47 days

期刊介绍： Engineering Failure Analysis publishes research papers describing the analysis of engineering failures and related studies. Papers relating to the structure, properties and behaviour of engineering materials are encouraged, particularly those which also involve the detailed application of materials parameters to problems in engineering structures, components and design. In addition to the area of materials engineering, the interacting fields of mechanical, manufacturing, aeronautical, civil, chemical, corrosion and design engineering are considered relevant. Activity should be directed at analysing engineering failures and carrying out research to help reduce the incidences of failures and to extend the operating horizons of engineering materials. Emphasis is placed on the mechanical properties of materials and their behaviour when influenced by structure, process and environment. Metallic, polymeric, ceramic and natural materials are all included and the application of these materials to real engineering situations should be emphasised. The use of a case-study based approach is also encouraged. Engineering Failure Analysis provides essential reference material and critical feedback into the design process thereby contributing to the prevention of engineering failures in the future. All submissions will be subject to peer review from leading experts in the field.