滚动体直径误差对轴承噪声特性影响的实验研究

邱洪顺; 佐景涛; 陈观慈; 毛华萍

doi:10.13433/j.cnki.1003-8728.20220052

滚动体直径误差对轴承噪声特性影响的实验研究

doi: 10.13433/j.cnki.1003-8728.20220052

1.
昆明理工大学机电工程学院，昆明　650500
2.
中国航发哈尔滨轴承有限公司，哈尔滨　150025

详细信息

作者简介:
邱洪顺（1997−），硕士研究生，研究方向为旋转机械故障检测与信号处理，1944740359@qq.com

通讯作者:
陈观慈，教授，博士，gcchen@kust.edu.cn

中图分类号: TH133.33；TB53
计量
- 文章访问数: 77
- HTML全文浏览量: 45
- PDF下载量: 30
- 被引次数: 0
出版历程
- 收稿日期: 2021-07-01
- 网络出版日期: 2023-09-13
- 刊出日期: 2023-08-31

Experimental Study on Influence of Diameter Error of Roller on Noise Characteristics of Bearings

1.
Faculty of Mechanical & Electrical Engineering, Kunming University of Science and Technology, Kunming 650500, China
2.
AECC Harbin Bearing Co., Ltd., Harbin 150025, China

摘要

摘要: 滚动体在加工制造过程中往往受研磨设备的精度、磨盘参数及沟槽形状、加工参数（压力、转速等）和“误差复映”现象等因素的影响而存在一定的直径误差，且在轴承装配时可能将具有不同直径误差的滚动体混装，故研究滚动体直径误差对轴承噪声的影响具有重要意义。以D17621N4Q型双半内圈角接触球轴承为例，通过设计实验采集在不同直径误差和排布方式工况下的噪声信号，分别提取信号的有效声压和小波包-AR能量熵两个特征参数，从噪声信号的强弱和混乱程度两个角度进行分析。实验结果表明：误差滚动体的大小、个数以及不同的排布方式都会对滚动轴承的噪声特性造成一定规律的影响，对误差滚动体进行合理排布，能有效降低滚动轴承的运转噪声。
- 轴承 /
- 滚动体直径误差 /
- 噪声 /
- 有效声压 /
- 小波包-AR能量熵
Abstract: Rolling body in the process of manufacturing is often affected by the precision of the grinding equipment, grinding disc parameters and groove shape, processing parameters (pressure, speed, etc.) and "error reflection" phenomenon and other factors, and there is a certain diameter error, coupled with the bearing assembly may have several rolling bodies with different diameter error mixed. It is of great significance to study the influence of rolling body diameter error on bearing noise. This study takes D17621N4Q double half inner ring angular contact ball bearing as an example, through the design of experiments to collect the noise signal under different diameter error and arrangement mode working condition, respectively extract the signal effective sound pressure and wavelet packet-AR energy entropy two characteristic parameters, and two aspects from the noise signal strength and confusion degree are analysed. The experimental results show that the size and number of error rolling elements as well as different arrangement methods will affect the noise characteristics of rolling bearings in a certain way, and the reasonable arrangement of error rolling elements can effectively reduce the operation noise of rolling bearings.
- bearing /
- rollers' diameter error /
- noise /
- effective sound pressure /
- wavelet packet -AR energy entropy

HTML全文

图 1 轴承实物图和滚动体编号

Figure 1. Bearing physical drawing and rolling element number

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图 2 S0910-ⅡA型轴承振动噪声测量仪

Figure 2. S0910-ⅡA bearing vibration and noise measuring instrument

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图 3 噪声信号采集示意图

Figure 3. Noise signal acquisition diagram

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图 4 单个滚动体存在误差时，各工况的时域波形图和有效声压值

Figure 4. Time domain waveform diagram and effective sound pressure value of each working condition when the error in single rolling element

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图 5 误差滚动体连续排布时，各工况的时域波形图和有效声压值

Figure 5. Time domain waveform diagram and effective sound pressure value of each working condition when the error rolling element is continuously arranged

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图 6 连续排布与间隔排布时的有效声压值

Figure 6. Effective sound pressure value for continuous and spacing arrangement

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图 7 误差滚动体对称排布时，各工况的时域波形图和有效声压值

Figure 7. Time domain waveform diagram and effective sound pressure value of each working condition when the error rolling element is symmetrically arranged

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图 8 单个滚动体存在直径误差时，滚动轴承噪声信号的小波包-AR谱能量和能量熵

Figure 8. The wavelet package-AR spectrum energy and energy entropy of noise signal of rolling bearing when single rolling element has diameter error

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图 9 误差滚动体连续排布时，各频带的小波包-AR能量能量熵

Figure 9. The wavelet package-AR energy energy entropy of each frequency band when the error rolling element is continuously arranged

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图 10 误差滚动体间隔排布时，小波包-AR谱能量和能量熵

Figure 10. The wavelet package-AR energy energy entropy of each frequency band when the error rolling element is spacingly arranged

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图 11 误差滚动体连续排布与间隔排布时，小波包-AR谱能量和能量熵

Figure 11. The wavelet package-AR energy energy entropy of each frequency band when the error rolling elements are continuously and spacingly arranged

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表 1 连续排布

Table 1. Continuous arrangement

工况	滚动体编号
工况	1	2	3	4	5	6	7	8	9	10	11	12	13	14
1	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1
2	−5	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1
3	−5	−5	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1
4	−5	−5	−5	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1
5	−5	−5	−5	−5	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1
6	−5	−5	−5	−5	−5	−5	+1	+1	+1	+1	+1	+1	+1	+1
7	−5	−5	−5	−5	−5	−5	−5	+1	+1	+1	+1	+1	+1	+1

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表 2 间隔排布

Table 2. Spacing arrangement

工况	滚动体编号
工况	1	2	3	4	5	6	7	8	9	10	11	12	13	14
1	−5	+1	−5	+1	−5	+1	−5	+1	−5	+1	−5	+1	−5	+1

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表 3 对称排布

Table 3. Symmetrical arrangement

工况	滚动体编号
工况	1	2	3	4	5	6	7	8	9	10	11	12	13	14
1	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	−5
2	+1	−5	+1	+1	+1	+1	+1	+1	+1	+1	+1	+1	−5	+1
3	+1	+1	−5	+1	+1	+1	+1	+1	+1	+1	+1	−5	+1	+1
4	+1	+1	+1	−5	+1	+1	+1	+1	+1	+1	−5	+1	+1	+1

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