Rolling bearings are mainly used for the pressure roll neck metallurgical , mining , and other rolling mill stand , the roller bearings used . Gunzi is mostly cylindrical radial load bearing , deep groove ball bearings or angular contact ball bearings or radial design or design tapered Gunzi thrust bearing axial load.
Development of bearing technology also can show the level of industrial development of a country , the country early in the actual operation of the bearing production management, technical personnel and operating workers work very seriously , use and maintenance mobile crane bearing of accumulated experience in the development of China's bearing manufacturer laid a good foundation. But there is still a long-term perspective of the development of a series of problems. Faced with this kind of problems , China's bearing manufacturer has to face is to keep a positive attitude , the courage to admit their own problems , and strive to find ways to make up , and now has formed the industry, the scale of production , constant research and development and introduction of new technology conical bearing for scientific management , making China the development of breakthrough mill bearings , close to the international advanced level.
Domestic mill bearings imported bearings compared with similar , or there is a big advantage , with the improvement of rolling bearing production technology, the quality of domestic bearing more secure , but also has the advantage in terms of price in the domestic market is highly competitive force . With the establishment of a number of domestic brands , our bearings in the international market competitiveness is getting stronger , more open foreign markets .
flanged ball bearing industry , market demand for high-end bearing is growing, such as machine tool bearings , aerospace bearings, high-speed precision bearings, wind power bearings, rolling bearings , high-speed rail bearings, turbocharger bearings , and so on .
2014年5月19日星期一
2014年5月11日星期日
Gree family has added an international leader in innovation and technological achievements
Recently, Gree family has added an international leader in innovation and technological achievements - " maglev frequency centrifugal refrigeration compressors and chillers ." The technical achievement allows the design of large centrifugal compressors and chillers level to a higher level , and significantly enhance the Chinese centrifugal chillers in the international refrigeration market competitiveness.
In the conventional refrigerant compressor , the mechanical bearing member is required , and the need for lubricating oil circulation system to ensure the mechanical work of the bearing . Gree air-conditioning and central inverter using magnetic levitation is magnetic bearings using magnetic fields to levitate the rotor , resulting in the rotation when no mechanical contact , no mechanical friction , no need for mechanical bearings and mechanical bearing lubrication system required . Using magnetic bearings , all because of the problems caused by oil and will no longer exist . Frequency magnetic levitation centrifuges in one fell swoop to overcome the traditional mechanical bearing centrifuge limited energy efficiency , noise, starting current, higher maintenance costs of a series of drawbacks , is a more energy- efficient central air-conditioning products.
In the conventional refrigerant compressor , the mechanical bearing member is required , and the need for lubricating oil circulation system to ensure the mechanical work of the bearing . Gree air-conditioning and central inverter using magnetic levitation is magnetic bearings using magnetic fields to levitate the rotor , resulting in the rotation when no mechanical contact , no mechanical friction , no need for mechanical bearings and mechanical bearing lubrication system required . Using magnetic bearings , all because of the problems caused by oil and will no longer exist . Frequency magnetic levitation centrifuges in one fell swoop to overcome the traditional mechanical bearing centrifuge limited energy efficiency , noise, starting current, higher maintenance costs of a series of drawbacks , is a more energy- efficient central air-conditioning products.
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