Influence of rotational speed on the impact characteristics caused by a localized defect of the outer raceway in a ball bearing under an axial load
Influence of rotational speed on the impact characteristics caused by a localized defect of the outer raceway in a ball bearing under an axial load
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轴向载荷下转速对球轴承外滚道局部缺陷冲击特性的影响
DOI：
10.1177/1464419320923540
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发表时间：
2020-05
期刊：
影响因子：
--
通讯作者：
Qiuyang Peng
中科院分区：
文献类型：
--
作者：
Pingping Hou;Liqin Wang;Qiuyang Peng
转速是轴承状态监测的重要参数。本研究表明，转速的影响所造成的局部缺陷的外滚道的冲击特性。建立了2Nb+ 5自由度球轴承非线性动力学模型。球轴承模型中考虑了轴承零件的波纹度、外圈的局部缺陷以及转速引起的离心力。利用谱峰度分析和包络谱分析提取冲击信号，确定冲击信号影响的最佳频带位置。冲击信号的峰值随着转速的增加而上升。受冲击信号影响的最佳频带的位置是转速的线性分段函数。这些模拟结果通过一个球轴承的振动实验与局部缺陷的外滚道轴向载荷下进行了验证。此外，同时考虑轴承外圈滚道上的局部缺陷和轴承部件的波纹度，只有当局部缺陷的尺寸足够大时，冲击信号才能克服系统结构振动的影响，提取冲击特征。高速主轴轴承状态诊断的实例研究表明，高速不利于冲击特征的提取。
The rotational speed is a crucial parameter for bearing condition monitor. The present study shows the influence of the rotational speed on the impact characteristics caused by a localized defect of the outer raceway. A 2Nb+ 5-degrees-of-freedom nonlinear dynamic model for a ball bearing is developed. The waviness of bearing components, a localized defect of the outer raceway, and the centrifugal forces of balls caused by rotational speed are involved in the ball bearing model. Spectral kurtosis (SK) analysis and envelope spectrum analysis are used to extract the impact signal and confirm the position of the optimal frequency band affected by the impact signal. The peak of the impact signal rises with the increase in rotational speed. The position of the optimal frequency band affected by the impact signal is a linear piecewise function of the rotational speed. These simulated results are verified through vibration experiments of a ball bearing with a localized defect of the outer raceway under an axial load. In addition, considering both a localized defect on the outer raceway and the waviness of bearing components, only when the size of the localized defect is large enough, can the impact signal overcome the influence of the structural vibration of the system to extract impact characteristics. The case studies of high-speed spindle bearing state diagnosis show that high speed is not conducive to the extraction of the impact characteristics.
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DOI：
10.1016/0043-1648(72)90165-2
发表时间：
1998-12
期刊：
--
影响因子：
--
作者：
J. Wensing
通讯作者：
J. Wensing
影响因子：
2.5
作者：
R. Yang;L. Hou;Yulin Jin;Yushu Chen;Zhiyong Zhang
通讯作者：
R. Yang;L. Hou;Yulin Jin;Yushu Chen;Zhiyong Zhang
影响因子：
1.6
作者：
P. Kulkarni;A. Sahasrabudhe
通讯作者：
P. Kulkarni;A. Sahasrabudhe
故障外圈滚动轴承振动响应机制的定量分析
影响因子：
4.7
作者：
Cui, Lingli;Zhang, Yu;Lee, Seungchul
通讯作者：
Lee, Seungchul
影响因子：
8.4
作者：
Dolenc, Bostjan;Boskoski, Pavle;Juricic, Dani
通讯作者：
Juricic, Dani