Home>Bearing knowledge>Application of low-noise bearings---Noise caused by production factors and countermeasures

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Application of Low Noise Bearings---Noise Caused by Manufacturing Factors and Countermeasures

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The use of low-noise bearings---the noise caused by the production factors and its countermeasures Abstract: This kind of noise is essentially caused by making mistakes. In fact, the smoothing agent selects the bearing device condition. The bearing accuracy is classified into the sound of the sticking sound. The sound of the frame and its control method adhere to the sound of the frame, the violent oscillation, the tumbling impact, the announcement of the periodic oscillation noise, the looseness of the hole, the conflict, the appearance of the noise, the primary attack, the ball bearing, the tapered roller bearing, the stamping, the liquid dynamic pressure bearing, the common shaft housing, the shaft. Although the noise is essentially caused by the production error, it is actually related to the selection of the smoothing agent, the condition of the bearing, the accuracy of the shaft and the bearing housing. This noise is divided into two types: the sticking sound and the vibrating sound; The description is as follows:
(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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