Inquiry (采购产品): Vibration causing Bearing Infant Mortality? Introduction I am working with a team to help them solve a bearing problem. The system is an integrated electric drive and this system is experiencing infant ball-bearing mortality. Among the possible root causes is excessive loading due to component dynamics. Service needed Determine vibration frequencies of - motor shaft - motor shaft plus rotor magnet assembly - entire motor Possible Methods Excitation Input and output measurement resulting in corresponding frequency response (egs FFT) Spectral Hammer Calculation FEA etc **** Hidden Message ***** Bernard Johnson MI 48371 USA Company: Continental Phone: 248 797 5905 E-mail: bwjohnson200@hotmail.com **** Hidden Message ***** bwjohnson200@hotmail.com