Lubricants, Volume 12, Issue 7 (July 2024) – 33 articles
Cover Story (view full-size image):
This study by Schneider et al. investigated the effects of harmful bearing currents on the service life of rolling bearings. Conducting comprehensive experiments, the authors quantified the impact of electrically induced stress from EDM discharges, which alter the surface topography of bearings and reduce the operational lifespan. The authors developed a predictive model to estimate bearing service life based on surface roughness, extending the DIN ISO 281 method. The findings show that increased electrical loads lead to greater surface roughness and reduced service life, offering valuable insights for enhancing bearing design and maintenance in electric drives. View this paper
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