Spall size estimation in bearing races based on vibration analysis

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Published Jul 5, 2016
DOI https://doi.org/10.36001/phme.2016.v3i1.1618
G. Kogan
Pearlstone Center for Aeronautical Engineering Studies and Laboratory for Mechanical Health Monitoring, Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 8410501, Israel
E. Madar
Pearlstone Center for Aeronautical Engineering Studies and Laboratory for Mechanical Health Monitoring, Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 8410501, Israel
R. Klein
R.K. Diagnostics, P.O. Box 101, Gilon, D.N. Misgav 20103, Israel
J. Bortman
Pearlstone Center for Aeronautical Engineering Studies and Laboratory for Mechanical Health Monitoring, Department of Mechanical Engineering, Ben-Gurion University of the Negev, P.O. Box 653, Beer Sheva 8410501, Israel

Abstract

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.

How to Cite

Kogan, G., Madar, E., Klein, R., & Bortman, J. (2016). Spall size estimation in bearing races based on vibration analysis. PHM Society European Conference, 3(1). https://doi.org/10.36001/phme.2016.v3i1.1618
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References
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Issue
Vol. 3 No. 1 (2016): Proceedings of the European Conference of the PHM Society 2016
Section
Technical Papers
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