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The development of ceramic bearings and ceramic ball bearing

Ceramic bearings and ceramic ball bearings are a wonderful, new processes, new materials, new structures a perfect fit in bearings categories. As the basic parts of the mechanical rotation of the carrier, because of its excellent performance, has been widely used in a variety of special circumstances, harsh environment. Play a leading role in the world of new materials because of the high temperature, low cold resistance, resistance to corrosion, absolute power, magnetic barrier, low density, high strength and other properties.
 Classification of ceramic bearings and ceramic ball bearings
 
    By material: ceramic bearings can be divided into zirconia ceramic bearings, silicon nitride ceramic bearings, ceramic composite bearings.
 
    By structure: ceramic bearings can be divided into: Caged zirconia ceramic bearings, silicon nitride Caged ceramic bearings, composite tape holder ceramic bearings. General ceramic bearing retainer material polytetrafluoroethylene (PTFE) as a standard configuration, you can also use glass fiber reinforced nylon 66 (GRPA66-25), special engineering plastics (PEEK, PI), stainless steel (SUS316, SUS304) Brass (Cu) and the like. Ceramic materials cage for pocket hole machining, molding technology and other problems, still less used; cage material restrictions developed special occasions and full ball holder zirconia ceramic bearings and silicon nitride full ball Full ceramic bearings and composite full ball ceramic bearings.
 
    The integrity of the material points: the above-mentioned ceramic bearings to the main components of the inner and outer rings and rolling elements is the use of ceramic materials, defined as ceramic bearings; bearing inner and outer rings and rolling elements part of ceramic materials, we defined as a hybrid ceramic bearings. More extensive use hybrid ceramic bearing ball ceramic materials known as ceramic ball bearings, ceramic ball bearings can be divided into zirconia, silicon nitride ceramic ball bearings.
 
    The first set of ceramic bearings was born in the United States National Aeronautics and Space Administration (NASA) in 1972, after that, the development of a new generation of high-performance ceramic bearings has begin, forty Years later, more substantial improve bearing life and limit speed, to provide a basis for the development of high-speed and ultra-high-speed, high-precision machine parts. In addition, the application of high temperature, corrosion, insulation, vacuum, chemical industry has also achieved good results. Now world-famous bearing company all in the research and development, production of ceramic bearings and ceramic ball bearings, the level and the quality of the product, has become an important measure of the strength of its corporate logo. According to incomplete statistics, so far, able to produce ceramic bearings abroad: the United States, Japan, Germany, France, Russia, South Korea, the United Kingdom, more than a dozen countries. The production of ceramic ball bearings in foreign started earlier, the use of a wide range of occasions, such as CNC machine tools with ceramic ball bearings, the grinder motor spindle with ceramic ball bearings, the Ball Screw ceramic ball bearings. Ceramic ball bearings, high wear resistance, self-lubrication, ultra-high speed performance has been brought into fuller play, also has contributed to the high-precision machine tools, high-speed machine tools, special environmental equipment. As the core component of the ceramic ball bearings --- ceramic spheres, foreign R & D and competition more intense. Norton HIP production of ceramic balls in the international world-class level. The world of ceramic ball bearings leading Sweden SKF, Germany FAG, Saint-Gobain, France, Japan, NSK, KOYO, NMB (United States Praia).
 
    
 

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