Use And Characteristics Of V-belt

V-belt is a kind of transmission belt with the largest output, the largest variety and the widest use. Since 1917, it was first made into automobile fan belt in the United States, and it began to be popularized in industrial and agricultural machinery in the early 1920s, it has been flourishing and developing rapidly for more than half a century, and now it has become the mainstream of drive belt. In the world, in terms of rubber consumption, V-belt accounts for more than 65%, toothed belt for 25%, and flat belt for less than 10%. At present, V-belt has become the main equipment for power transmission and speed change of all kinds of mechanical devices in the world. It is widely used in the fields of agricultural machinery, machine tools, automobiles, ships, office equipment, etc., and plays an increasingly important role.

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V-belt generally refers to cloth wrapped V-belt. Since the 1960s, in order to improve the durability of the transmission belt, a cut V-belt has appeared. This V-belt has been developed rapidly because there is no wrapping cloth on the side of the belt structure, the belt body is very soft, flexure resistant and fatigue performance is very good. In the 1980s, in order to solve the problems of transmission efficiency and service life decline caused by different lengths of V-belts in group transmission, V-belts with multiple V-belts fixed together by flat belts have sprung up.

The banded V-belt has great advantages, so the V-belt began to replace the V-belt and the V-belt. This kind of belt, which combines triangle belt and flat belt, has special requirements for pulley groove. However, due to the thin belt body, large contact area with pulley, good flexibility and reduction of pulley, the transmission device can be further miniaturized and energy-saving, and the production volume in developed countries has increased dramatically.