Import triangle is also called 'V' belt, transmission belt production in large zui, wide varieties zui zui, USES more of a product. Since 1917, song ci is made by the American automobile fan belt, after the promotion for the workers and peasants machinery at the beginning of 20 s, more than half a century, developing very rapidly, has become the mainstream of the belt. Belt in the countries all over the world, from the point of dosage of rubber, triangle has accounted for 65%, toothed belt was 25%, flat bring it back down to below 10%. At present, triangle has become the world's all kinds of mechanical power transmission and variable speed of main equipment, in the modern agricultural machinery, machine tools, automobiles, ships, office equipment such as a wide range, is playing an increasingly important role. 2 and 2 to 1. Narrow v-belt type structure size than ordinary v-belt can reduce about 50%, can save a lot of raw materials, strength even at the same time, have xiao contact area is large, the bending stress is small, can significantly extend the service life. Type narrow v-belt transmission efficiency can reach 90% to 97%, a speed limit of 40 - 5 times, zui is suitable for short distance and small pulleys in variable speed drive, so it is also called a variable speed belt. Its characteristic is in top and bottom surface, mostly made from single or double arc tooth shape or state, to make it easy to control, mainly USES in the low speed of the cone type and the disc type stepless transmission. Information: import triangle triangle agency http://www. lilainuo。 com