Problems in the use of steel in domestic fastener industry
Industrial aluminum fittings, as the connecting parts of the main unit and components, bear the basic performance of the main body and various requirements for the basic functions of the components together with the host, and must adapt to high temperatures. high pressure. Low temperature. shock. Corrosion, heavy load, alternating stress, shear and anti-twist, and other occasions. However, the probability of accidents caused by fastener failure is very high, so the materials used to make fasteners must be carefully selected in advance. Many domestic fastener companies suffer from high customer claims due to product quality problems. It is true that many quality problems are caused by unqualified materials. How to correctly select fastener materials becomes one of the topics that fastener companies are increasingly concerned about.
Regarding the status quo and existing problems of China's fasteners for industrial aluminum fittings, the material consultant of the Fasteners Professional Association of China Machinery General Components Industry Association stated: "Our country is currently a fastener producing country and is the world's largest. Steel-producing countries, but the development and production of fasteners steel development started late.
The specifications of cold heading steel are relatively small and cannot meet the current domestic demand for fastener production and the demand for exports. Many steel grades of G3506, G3507, G4105 and ASTM are also used in the production and market circulation of cold heading steel.
The world we live in is faced with the increasingly depletion of the energy crisis. With the development of global industrialization, the natural environment has been unprecedented destruction, which needs the low energy consumption, environmentally friendly and long-life bearings to meet urgent requirements.
ZXZ developed G series bearings, including single groove Ball Bearings with seal sand shields etc. Compared with the normal bearings, the torque of G series bearings are reduced by 30%and the fatigue life expectancy increased by 1.5 times.
Low energy consumption: Low power consumption means that the output of the motor is more efficient with more energy saving and environmental protection.
Low temperature rise: Optimized structure design to reduce torque and working temperature. Use special grease to ensure low temperature rise and long life. Optimized sealing structure will bring low torque and high sealing performance products.
Long life, high reliability: Reducing the operating temperature means the grease, products service life and reliability will be improved. High sealing performance means the grease can keep longer life. High quality bearing steel is the guarantee for long life and high reliability. Long life and high reliability means machine will be more reliably and long-life operation.
Higher speed capacity
In a certain temperature limit, low torque and low temperature rise means higher operating speed.
Higher speed means the capacity of machine will be more powerful.
Optimized structure design and high level of manufacturing accuracy are the guarantee for the high speed.
Compared with general products, the speed of G series products will improve about 50%.Reduce the equipment maintenance times. Reduce the cost and maintenance cost. Products accord with ROHS and REACH. The standard dimension.
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