Prospects for the Use Prospects of Ceramic Bearings and Ceramic Ball Bearings

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Ceramic bearings and ceramic ball bearings have many excellent properties such as: self-lubricating, high temperature resistance, corrosion resistance, anti-magnetic, electrical insulation, etc., yet to be developed and utilized in a wider field, and the potential application fields are huge. High-quality high-speed ceramic ball bearings: can serve the domestic machine tool industry well. The amount of bearings used for high-speed, high-precision spindles and motorized spindles is quite large, and the annual demand is estimated to be more than tens of thousands of sets. However, high-precision machine tool spindle bearings require relatively high machining accuracy and harsh quality. For example, P4-level bearings require high-precision ceramic balls above G5 level. At present, there are not many domestic manufacturers that can produce them, and the product stability is also poor. Second: medium-quality ceramic bearings are used in petroleum exploration, crude oil smelting, especially fine chemicals, chemical fibers, new energy, printing and dyeing, electroplating, sewage treatment, marine development, deep water pumps, acid-base pumps, high temperature, vacuum, nuclear magnetic resonance, It can be widely and well used in many fields such as electrical insulation, medicine and health, X-ray tube and food industry. Many only require general accuracy grade; medium and low speed and load; require bearings to be able to withstand a certain concentration of acid, alkali, salt corrosion; high temperature resistance of 300 ~ 400 ° C; non-magnetic, electric, non-toxic; The working medium is self-lubricated, etc.; it can also be used in seawater. Bearings used in these fields account for a large proportion of special bearings, and ceramic bearings and ceramic ball bearings are fully capable of replacing, and can achieve the work that metal bearings are barely competent or unable to perform. Engineering ceramics have its irreplaceable status. With such a huge market as the premise, we can completely create a new way in product development and manufacturing to expand the larger application field of ceramic bearings. Make new materials, new processes and new technologies better serve production.

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