This master's thesis investigates the issue of excessive wear of the radial shaft seal in an electric motor, which was detected during first validation tests performed on prototype samples. In the early stages of the study, a literature review was conducted to examine similar cases from industry with the aim of identifying potential causes of such failures. It soon became evident that a more detailed analysis would require additional testing and measurements. Based on the literature review and its findings, a testing plan was developed to systematically investigate the possible causes of excessive wear. Furthermore, the thesis presents the conducted tests, obtained results, key findings, and the corrective measures implemented to effectively eliminate excessive wear on the radial shaft seal.
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