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Low-noise bearing manufacturing factors noise


1) Cage controls the sound and the sound is intense cage cage and the rolling vibration of the impact body has issued periodic vibration and noise, the hole in the pocket loose and prone to large friction. This noise occurs mainly in ball bearings and tapered roller bearings, and stamping cage and solid cage occurs, the use of grease or oil lubrication lubrication occurs, but in poor lubrication or lubricant dried up, the radial gap is large, the outer ring under torque load, and the cage structure and poor accuracy is not high, the more likely to occur when the cage webs or severe rivet head will suddenly break. Control noise and vibration cage methods; good lubricant use lubrication; reduce the bearing installation error; compressed radial bearing axial clearance or preload to be appropriate and reasonable use with good accuracy the cage structure bearings, or switch to cage firmly and without the wear and tear of bearings.

(2) chatter chatter sound and sound control is directly related to bearing surface waviness on rolling noise, which is a pure tone noise, the constant speed, its frequency is also constant, and for changes in speed, it also will change the frequency.




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