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Application of Low Noise Bearings---Noise Caused by Manufacturing Factors and Countermeasures
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(1) Persistence of the sound of the frame and its control method. The sound of the frame is the periodic oscillation and noise announced by the violently oscillating frame and the rollover impact; it is easy to present when the pocket is loose and the conflict is large.
This kind of noise is the first to occur in ball bearings and tapered roller bearings; and both the stamping frame and the solid frame will occur; it will occur when the grease is smooth or the oil is smooth; but when the smoothness is smooth or the smoothing agent is dry, the radial travel When the gap is large, the outer ring receives the moment load; and when the layout of the frame is poor and the precision is not high; it is easier to attack; if it is severe, the frame or the rivet head will be cracked.
The method of controlling the noise and oscillation of the frame is to use a smoothing agent with good smoothness, to reduce the device error of the bearing, to tighten the radial clearance of the bearing or to properly pre-tighten the axial direction, and to select a frame with a reasonable accuracy and a reasonable layout. Bearing; or replace the bearing with a strong and unweared frame.
(2) vibrating sound and its control method vibrating sound is the noise directly related to the bearing wrinkling appearance waviness; this is a pure tone noise; about the stable speed; its frequency is also unchanged; and about the changed speed; Its frequency also changes.
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