Ceramic bearing advantages and applications

1. Since ceramics are hardly corrosive, ceramic rolling bearings are suitable for operation under the harsh conditions of corrosive media.

2. Since the density of the ceramic rolling ball is lower than that of the steel, the weight is much lighter, so the centrifugal effect of the outer ring can be reduced by 40% when rotating, and the service life is greatly prolonged.

3. The influence of thermal expansion and contraction of ceramics is smaller than that of steel. Therefore, when the clearance of the bearing is constant, the bearing can be allowed to work in an environment where the temperature difference changes drastically.

4. Since the modulus of elasticity of ceramic is higher than that of steel, it is not easy to deform when subjected to force, so it is beneficial to increase the working speed and achieve higher precision.

The above advantages can be simply summarized as corrosion resistance, long service life, high and low temperature resistance, high speed. In addition, ceramic bearings also have the characteristics of wear resistance, insulation and self-lubrication. Because ceramic bearings have such outstanding advantages, they are becoming more and more widely used in the industry, and the research on ceramic bearings has been further developed.

Today's ceramic bearings can be widely used in aviation, aerospace, marine, petroleum, chemical, electronic equipment, metallurgy, electric power, pumps, medical equipment, scientific research and defense and military fields, and are high-tech products for new materials applications. Of course, with the advancement of science and technology and the continuous improvement of the technological level, the research on ceramic bearings will continue, and the future ceramic bearings will develop even better.

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Classification of the use of ceramic bearing classification

1. High-speed bearing: It has the advantages of cold resistance, small elasticity, high pressure resistance, poor thermal conductivity, light weight, small friction coefficient, etc. It can be applied to high-speed spindles of 12000 rpm/-75000 rpm and other high precision. In the equipment;

2, high temperature bearing: the material itself has a high temperature resistance of 1200 ° C, and self-lubricating, the use of temperature between 100 ° C -800 ° C does not cause expansion due to temperature difference, can be applied to furnaces, plastics, steel and other high temperatures In the equipment;

3, corrosion-resistant bearings: the material itself has corrosion-resistant properties, can be applied in strong acid, alkali, inorganic, organic salt, seawater and other fields, such as electroplating equipment, electronic equipment, chemical machinery, shipbuilding, medical equipment, etc.;

4, anti-magnetic bearing: because no magnetic does not absorb dust, can reduce the bearing early peeling, noise, etc., can be used in demagnetization equipment, precision instruments and other fields;

5, electric insulation bearing: due to high resistance, can avoid arc damage bearing, can be used in a variety of electrical equipment requiring insulation;

6, vacuum bearing: due to the unique oil-free self-lubricating properties of ceramic materials, in the ultra-high vacuum environment, can overcome the problem of ordinary bearings can not achieve lubrication.

The above is the introduction of the classification of the use of ceramic bearing classification, no matter which kind of ceramic bearing, its advantages are derived from ceramic material, it can be seen that ceramic bearings can be combined in many advantages, the future will develop even better. In addition, ceramic bearings can also be classified according to materials and graded. The small series is not introduced separately. If necessary, you can learn more.
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