Research of the Effect of Bearing Stiffness and Gear Helix Angle on Vibration Noise of Gear Reducer

Zhou Jianxing; Sun Wenlei; Cui Quanwei

doi:10.16578/j.issn.1004.2539.2015.05.001

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Research of the Effect of Bearing Stiffness and Gear Helix Angle on Vibration Noise of Gear Reducer

更新时间：2022-10-20

- Research of the Effect of Bearing Stiffness and Gear Helix Angle on Vibration Noise of Gear Reducer
- Vol. 39, Issue 5, Pages: 20-25(2015)
- 作者机构：
  
  1. 新疆大学机械工程学院
  2. 新疆大学机械工程博士后流动站
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.05.001
  CLC：
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[1]周建星,孙文磊,崔权维.轴承刚度与齿轮螺旋角对减速器振动噪声影响的研究[J].机械传动,2015,39(05):20-25.

Zhou Jianxing, Sun Wenlei, Cui Quanwei. Research of the Effect of Bearing Stiffness and Gear Helix Angle on Vibration Noise of Gear Reducer. [J]. 39(5):20-25(2015)
[1]周建星,孙文磊,崔权维.轴承刚度与齿轮螺旋角对减速器振动噪声影响的研究[J].机械传动,2015,39(05):20-25. DOI： 10.16578/j.issn.1004.2539.2015.05.001.

Zhou Jianxing, Sun Wenlei, Cui Quanwei. Research of the Effect of Bearing Stiffness and Gear Helix Angle on Vibration Noise of Gear Reducer. [J]. 39(5):20-25(2015) DOI： 10.16578/j.issn.1004.2539.2015.05.001.

摘要

以单级圆柱齿轮减速器为研究对象,综合考虑齿轮时变啮合刚度及误差激励的影响建立了传动系统动力学模型。以轴承动载荷为激励,采用FEM/BEM方法对减速器振动与声辐射特性进行了分析,得到了齿轮箱节点动响应时域历程及声场场点噪声谱,论述了激励中各谐波成分对齿轮箱振动噪声辐射的影响。计算了不同轴承刚度的动载荷与齿轮箱声辐射特性,得到了轴承动载荷各频率成分及声辐射随轴承刚度的变化规律。对比分析了直齿轮与斜齿轮及不同螺旋角下,齿轮时变啮合刚度波动与减速器各场点位置的噪声分布情况,为减速器的减振降噪提供了理论基础。

Abstract

The dynamics model of the cylindrical gear transmission system is built in consideration of the time-varying mesh stiffness and gear errors.The dynamic load of the bearing is taken as the excitation,the vibration and noise radiation of the gear reducer is researched by using FEM/BEM,then the time history of node vibration displacement and noise spectrum of the gearbox are obtained,and the effect of the excitation of frequency doubling of mesh frequency on the gearbox vibration and noise radiation are illustrated.The effect of bearing stiffness and helix angle on vibration and noise radiation are researched,then the rule of dynamic load with bearing stiffness,the rule of noise radiation with bearing stiffness and helix angle are obtained.The study provides useful theoretical guideline to the design of the gearbox.

关键词

齿轮减速器轴承螺旋角振动噪声

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