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The Vibration Analysis of Disc Refiner Failure
  
DOI：10.11980/j.issn.0254-508X.2014.09.008
Key Words:disc refiner  vibration analysis  spectral characteristics  wavelet analysis  fault diagnosis
Fund Project:陕西省科学技术研究发展计划项目（工业攻关）,基金号：2012K09-10。
Author NameAffiliation
汤　伟1 1.陕西科技大学工业自动化研究所，陕西西安，710021 
刘庆立1 1.陕西科技大学工业自动化研究所，陕西西安，710021 
饶智逵1 1.陕西科技大学工业自动化研究所，陕西西安，710021 
王孟效2 2.陕西西微测控工程有限公司，陕西咸阳，712081 
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Abstract:Disc refiners structure and operation environment are complex, so it is difficult to establish its precise dynamic mathematical model, therefore it is difficult to apply fault diagnosis to disc refiner. Considering the failure characteristics of the refiner are not clear and some other problems, combining vibration equation with mechanical analysis in running, the imbalance vibration characteristics of refiner was described. Wavelet packet decomposition to actual vibration signal, showed that the refiner vibration wavelet packet decomposition was able to identify the fault characteristic component of the vibration signal.
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