Question one: SKF bearing vibration of the main factors which? Answer one: SKF bearing vibration has two main sources:
First, SKF bearings SKF bearings caused by external incentives inherent vibration means SKF bearing inner ring, outer ring, rolling elements and cage the natural vibration. Second is due to contact between moving parts forced vibration caused by the collision, including the rolling sphere is not ideal, inside and outside the channel contact point trajectory is not a perfect circle (roundness, waviness), the raceway is not the ideal smooth surface (roughness) and the rolling elements and cage in motion collision and lubricants in the forced vibration caused by impurities, vibration and sound are closely related. For general SKF bearings, recommended to concentrate the limited human and financial resources improve SKF bearing vibration control. Quality standards should not separate the noise, of course, according to foreign experience, especially for products such as computer hard drives, CD-ROM drive system VCR SKF bearings, vibration assessment is not easy to use, can develop standards to assess noise measurement method.
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