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首页> 外文会议>Society for Machinery Failure Prevention Technology Meeting; 20050418-21; Virginia Beach,VA(US) >THE USE OF ACOUSTIC EMISSION FOR ESTIMATION OF BEARING DEFECT SIZE
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THE USE OF ACOUSTIC EMISSION FOR ESTIMATION OF BEARING DEFECT SIZE

机译：声发射在轴承缺陷尺寸估算中的应用

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摘要

Vibration monitoring of rolling element bearings is possibly the most established diagnostic technique for rotating machinery. The application of Acoustic Emission (AE) for bearing diagnosis is gaining ground as a complementary diagnostic tool, however, limitations in the successful application of the AE technique have been partly due to the difficulty in processing, interpreting and classifying the acquired data. Furthermore, the extent of bearing damage has eluded the AE diagnostician. The investigation reported in this paper was centered on the application of the Acoustic Emission technique for identifying the size of a defect on a radially loaded bearing. An experimental test-rig was designed such that defects of varying sizes could be seeded onto the outer race of a test bearing. It is concluded that AE can provide an indication of the defect size, thus allowing the user to monitor the rate of degradation on the bearing.
机译：滚动轴承的振动监测可能是旋转机械最成熟的诊断技术。声发射（AE）在轴承诊断中的应用作为一种辅助诊断工具正在获得发展，但是，声发射技术成功应用的局限性部分是由于难以处理，解释和分类所采集的数据。此外，轴承损坏的程度已使AE诊断专家望而却步。本文报道的研究集中在声发射技术的应用上，以识别径向载荷轴承上的缺陷尺寸。设计了一个试验测试台，以便可以将各种尺寸的缺陷植入到测试轴承的外圈上。结论是，AE可以提供缺陷尺寸的指示，从而使用户可以监控轴承的退化率。

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