Besides the length, the weight of the conveyor belt is also related to the width and material density. The wider the width, the heavier the weight, the higher the density and the heavier the weight. According to the general conveyor belt, if the length is1.2m, the width is 30cm and the weight is about 3kg.

Conveyor belts, material handling systems, mechanized and automated conveyors. /kloc-in the 0 th and 7 th centuries, the United States began to use aerial ropeways to transport bulk materials; /kloc-In the mid-9th century, various modern conveyor belts appeared one after another. 1868, belt conveyor belt appeared in Britain. 1887, screw conveyor appeared in the United States; 1905, steel belt conveyor appeared in Switzerland; 1906, inertial conveyors appeared in Britain and Germany. Since then, influenced by the technical progress of machinery manufacturing, motor, chemical industry, metallurgy and other industries, the conveyor belt has been continuously improved, and gradually developed from completing the transmission in the workshop to completing the material handling within the enterprise, between enterprises and even between cities, becoming an indispensable part of the mechanization and automation of the material handling system.