Spall size estimation in bearing races based on vibration analysis

G. Kogan, E. Madar, R. Klein, and J. Bortman
Submission Type: 
Full Paper
AttachmentSizeTimestamp
phmec_16_034.pdf720.69 KBJune 10, 2016 - 1:58pm

Rolling element bearings are essential components of rotating machinery. Therefore, preventing bearing failure is a subject of great interest. Effective failure prevention requires maintenance decisions that are based on both detection of bearing faults and estimation of the fault severity. Since spalling of raceways is a common bearing failure mechanism, the objective of this study is to estimate the spall width by using vibration analysis.
The ball-spall interaction of faults in both the inner and outer races was studied using a dynamic model of bearings. A new algorithm for determination of the spall width is proposed based on physical insights from the dynamic model. Experimental results are used to validate this algorithm in the case of faults in the outer race.

Publication Year: 
2016
Publication Volume: 
7
Publication Control Number: 
034
Submission Topic Areas: 
Component-level PHM
Submitted by: 
  
 
 
 

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