Roller bearing fault detection by applying wireless sensor of instantaneous accelerations of mechanisms moving elements

Vladimir V. Sinitsin

Abstract

High-sensitivity tools and methods of receiving diagnostic information are needed to detect low-energy defects. In this paper, the author proposes experimental results of the application of instantaneous angular acceleration for roller bearing fault detection (outer race fault, inner race fault and one ball fault). The experimental results show that defects are clearly visible in frequency spectrum of the angular acceleration. Also, the results can be used to build the defect patterns. In addition, the results show that frequency spectrum components of angular acceleration are significantly amplified around natural frequencies of the mechanism. Moreover, the study showed that instantaneous angular acceleration can be applied for detection of incipient defects.

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DOI

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IMEKO TC

TC10 - Measurement for Diagnostics, Optimization and Control

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