China Drying Network News On October 9, China Polyimide Industrial Base and Galway (Liaoning) Copper Project jointly invested by Zhengwei International Group and Junhua Science and Technology Materials Co., Ltd. started construction in Yingkoudao Xianrendao Energy and Chemical Industry Zone. .
China's polyimide industrial base project has a total budget of 1080 billion yuan. The first phase of the project is planned to invest 15.1 billion yuan, with an annual output of 11,000 tons of polyimide monomer, 30,000 tons of polyimide and multi-layer co-extruded films, and 13,000 tons of high-performance composite materials, with a total construction area of ​​73 10,000 square meters; Phase II project investment is 39.7 billion yuan, and it will be completed in 2017, forming an annual output of 40,000 tons of polyimide monomer and high-purity fine chemicals, 45,000 tons of high-performance resin, polyimide and multilayers. The ability to squeeze 35,000 tons of film and 5,000 tons of high-performance fiber; the third phase of the project will invest 53.2 billion yuan, be completed by 2020, and form an annual output of 100,000 tons of polyimide monomer and high-purity fine chemicals, high-performance resin 120,000 tons, polyimide and multi-layer co-extruded film 39,000 tons, high-performance fiber capacity of 10,000 tons.
Gaowei (Liaoning) Copper Project has a total investment of 800 million U.S. dollars, including the construction of an annual output of 250,000 tons of low oxygen bright copper rod series, annual output of 100,000 tons of precision copper wire series, annual output of 100,000 tons of precision cable series, and an annual output of 50,000 tons of alloy copper wire series and R & D center, logistics center and other ancillary items. After the project is completed, it will become China's largest and deepest copper production base in Asia.
Deep groove ball bearing, formerly known as single-row centripetal ball bearing, is the most widely used rolling bearing. It is characterized by small frictional resistance and high speed, which can be used to bear the combined load of radial load or radial direction and axial load, and also can be used to bear the axial load.
The basic type deep groove ball bearing consists of an outer ring, an inner ring, a set of steel balls and a set of cage. .Deep groove ball bearing type has a single row and double row two kinds, deep groove ball structure is sealed and open two kinds of structure, open type means without seal, seal type deep groove ball bearing also have dust seal and oil seal. The dustproof sealing material is sheet metal stamping, only simple to prevent the dust from entering the bearing raceway. The oil-proof type is contact oil seal, which can effectively prevent the grease out of the bearing.
Deep groove ball bearing type:
deep groove ball bearing (60000 type);
Deep groove ball bearing with stop groove in outer ring (60000N type);
Deep groove ball bearing with a dustproof cover and a stop groove on the other side.(60000-ZN type)
Deep groove ball bearing double cover with dustproof cover and with stop groove in outer ring (60,000-2zn type);
Deep groove ball bearing with dust cover (60000Z);
Deep groove ball bearing with dust cover on both sides (60,000-2z);
Deep groove ball bearing with seal (60,000-ls type, 60,000-rz type);
Deep groove ball bearing with seals on both sides (60,000-2ls, 60000-2rz);
Deep groove ball bearing with flange (F60000 type);
Deep groove ball bearing with flange andone side dust cover(F60000-Z type).
Deep groove ball bearing with flange and both sides dust cover.(F60000-2Z).
Application:
Deep groove ball bearing can be used for gearbox, instrument, motor, household electric appliance, internal combustion engine, transportation vehicle, agricultural machinery, construction machinery, construction machinery, roller skating shoes, yo-yo-ball, etc.
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