Introduction of types and properties of common

by:Uliflex     2020-06-01
The function of the skeleton material of the high temperature resistant conveyor belt is to withstand the internal and external forces from the rubber products, improve the strength of the rubber products, and limit the amount of deformation. It largely determines the performance, service life and use value of rubber products. The skeleton material is made of textile fiber (including natural fiber and chemical fiber), steel wire, glass fiber and other processing. For fabric belt cores and wire rope core conveyor belts, cotton canvas conveyor belts in developed countries have been eliminated, and chemical fiber canvas conveyor belts have gradually been replaced by straight warp and straight weft fabric core conveyor belts with excellent strength properties. The output of high-temperature resistant conveyor belts has accounted for 10% to 20% of the total output of fabric core conveyor belts; high-strength (breaking strength is not less than 2000kN / m) conveyor belts mostly use steel wire core structure, and the output of steel rope core conveyor belts accounts for about 25% of production. Affected by traditional factors, the output of cotton canvas conveyor belts in China still accounts for about 25% of the total output of conveyor belts, while the output of steel cord conveyor belts only accounts for 15%. The research of straight warp and weft fabric core conveyor belts is still in its infancy. At present, the world's advanced tape production technology is monopolized by industrial groups in Europe, America, Japan and other countries and regions. Among them, there are 9 companies producing conveyor belts in North America, and as many as 40 in Europe (except Russia). In recent years, most industrialized countries have excess production capacity, while Asia has become a hot spot for the development of world industry, known as the world's factory. China's efforts to expand domestic demand and stimulate economic growth, especially increasing macro-control policies for investment in water conservancy, agriculture, energy and urban infrastructure, have spurred economic growth in the transportation industry; at the same time, China's coal, metallurgy, power and port areas The improvement has increased the demand for conveyor belts for various purposes.
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