On Relationship between Vibration and Noise of Rolling Bearing Using Grey System Theory

Based on grey system theory,the relationship of the vibration and noise of rolling bearings is studied.Two types of rolling bearing,6201 and 6203,were used in experimentation.The vibration is characterized by the virtual value of acceleration,and the noise is indicated by the sound-pressure-level.The results of data processing demonstrate that,the relationship between vibration and noise of rolling bearings is not obvious,and it has significant uncertainty.Therefore,the vibration can not be in stead of the noise.The problem of the noise of rolling bearings must be studied independently,the standards of the noise and the corresponding technology of rolling bearings must be established.