考虑三维波纹度影响的深沟球轴承振动噪声计算方法研究

TH133.33+1; 波纹度误差是影响滚动轴承振动和噪声性能的重要因素.以深沟球轴承为研究对象,通过自相关函数构建了轴承内外圈滚道三维波纹度模型,通过力学分析建立了内圈轴心及滚动体中心的运行轨迹的计算方法,并采用相应的声学模型,运用声源复合的方法对轴承的噪声进行定量计算.通过具体算例,研究了内圈和滚动体的声辐射特性,发现轴承的噪声辐射在空间中具有一定的指向性;研究了内圈和滚动体的声压频谱特性,发现其峰值与滚动体通过内外圈的频率及倍频有关;研究了不同波纹度误差对轴承各组分声压信号的影响,发现声压信号的峰值和均方根值均随着波纹度误差的增加而近似线性增大....

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Published in华东理工大学学报（自然科学版） Vol. 47; no. 4; pp. 494 - 503
Main Authors 孙敏杰, 安琦
Format Journal Article
LanguageChinese
Published 华东理工大学机械与动力工程学院,上海200237 30.08.2021
Subjects
深沟球轴承;表面三维波纹度;力学分析;噪声模型;数值计算
Online AccessGet full text
ISSN1006-3080
DOI10.14135/j.cnki.1006-3080.20200411005

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Abstract TH133.33+1; 波纹度误差是影响滚动轴承振动和噪声性能的重要因素.以深沟球轴承为研究对象,通过自相关函数构建了轴承内外圈滚道三维波纹度模型,通过力学分析建立了内圈轴心及滚动体中心的运行轨迹的计算方法,并采用相应的声学模型,运用声源复合的方法对轴承的噪声进行定量计算.通过具体算例,研究了内圈和滚动体的声辐射特性,发现轴承的噪声辐射在空间中具有一定的指向性;研究了内圈和滚动体的声压频谱特性,发现其峰值与滚动体通过内外圈的频率及倍频有关;研究了不同波纹度误差对轴承各组分声压信号的影响,发现声压信号的峰值和均方根值均随着波纹度误差的增加而近似线性增大.
AbstractList TH133.33+1; 波纹度误差是影响滚动轴承振动和噪声性能的重要因素.以深沟球轴承为研究对象,通过自相关函数构建了轴承内外圈滚道三维波纹度模型,通过力学分析建立了内圈轴心及滚动体中心的运行轨迹的计算方法,并采用相应的声学模型,运用声源复合的方法对轴承的噪声进行定量计算.通过具体算例,研究了内圈和滚动体的声辐射特性,发现轴承的噪声辐射在空间中具有一定的指向性;研究了内圈和滚动体的声压频谱特性,发现其峰值与滚动体通过内外圈的频率及倍频有关;研究了不同波纹度误差对轴承各组分声压信号的影响,发现声压信号的峰值和均方根值均随着波纹度误差的增加而近似线性增大.
Author 孙敏杰
安琦
AuthorAffiliation 华东理工大学机械与动力工程学院,上海200237
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AN Qi
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Title 考虑三维波纹度影响的深沟球轴承振动噪声计算方法研究
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