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The V standard reflects the quality of the bearing by detecting the vibration speed of the different frequency segments (low frequency, intermediate frequency, high frequency) of the bearing of the shredder machine. It can be roughly analyzed whether the bearing has geometrical problems (such as steel ring ellipse), the quality of the raceway/rolling body, the quality of the cage, and the quality of the bearing of the waste shredder machine has been significantly improved compared with the vibration acceleration.
At present, the bearing of waste shredder machine exported to Europe, the Chinese military and the aerospace industry all carry out bearing quality testing according to the standard. At the same time, it provides a feasible means to detect the quality of imported bearings of waste shredder machine and distinguish counterfeit imported bearings.
Bearing quality inspection has two standards in parallel, and the bearing with high quality of “Z standard” does not necessarily have good quality performance when tested with “V standard”. There is no corresponding relationship between the two. This is especially important in the quality inspection of bearings.