Multiple Defects Detection in Outer Race of Gearbox Ball Bearing Using Time Domain Statistical Parameters
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Abstract
Multiple defects are introduced on the outer race of vehicle gearboxes. The effect of the number of outer race defects in deep groove ball bearings are investigated using experimental and numerical methods. A three-dimensional model of the housing and outer race is developed using ABAQUS. Firstly, single defect located at 0Ëšand two defects located at 0Ëš and 67.5Ëš are analyzed. Then the number of defects was increased to three and the locations of the local defects are 0Ëš, 67.5Ëš and 225Ëš. Finally the model with four defects located on the outer race at the angular positions 0Ëš, 67.5Ëš, 225Ëš and 270Ëš, was investigated. The simulated data were also used to validate the experimental results.
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