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Talking about "the method of reducing the noise of imported bearings of TIMKEN"
Source: China Bearing Network Time: 2013-10-28
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(2) Using vibration absorption or vibration isolation equipment to reduce the noise of TIMKEN imported bearings or to block the noise of TIMKEN imported bearings; it can get outstanding effects; but this often pays a lot of economic value; sometimes makes the organization bigger; The heat dissipation conditions are deteriorated; or the rust is simply rusted; all should be considered when using it; as long as the other methods are adopted, the low noise target cannot be reached in the future.
The most simple example is the TIMKEN imported bearing that accepts the thrust of the thrust thrust TIMKEN bearing at high speed; the outer casing can be covered with a plastic jacket filled with anti-rust lubricant; the thrust bearing TIMKEN bearing with the casing or Usually the thrust TIMKEN imported bearing is in the case of the promise; the same plastic sleeve is set in the inner hole or the outer circle; but the control does not collide or collide with the adjacent parts during the rotation. This method has a certain muffling effect. .
Another example is to participate in a center sleeve between the TIMKEN bearing and the seat hole; it can attenuate the vibration force transmitted to the TIMKEN inlet housing by the transformation system; but this needs to be properly distributed; otherwise it can have the opposite effect.
Another example is the use of a sound-absorbing sound-absorbing enclosure to completely shut down the TIMKEN imported bearing system, or to close it. The interior of the noise-reducing cover is made of fiberglass or polyurethane foam; the inner and outer surfaces are 0. 6- Lmm thickness of the steel plate; the surface is evenly distributed φ1. 2-1. 5mm small through hole; the total area of ​​the small hole accounts for about 25% to 30% of the entire inner and outer surface; the outer and outer surface is 2mm thick steel plate.
Here glass fiber or foam is used to eliminate higher frequency noise; the inner and outer surfaces with small holes are used to eliminate lower frequency noise; and the outer and outer thick steel plates are used to block the noise transmission.
(3) Change the speed of the corresponding part of the host to roll the noise of the TIMKEN imported bearing. The load is not very sensitive; but the speed is very sensitive; in the case of the conditional promise; the method of increasing the torque by decreasing the speed reaches the same operation intention. But it has dropped the noise.
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