Wedge angle(V with two sides of the angle), the strong layer consists of multiple layers of adhesive curtain cloth or a single row of adhesive rope. The ratio between the top width and the height is 1.1 to 1.2, and the bandwidth is reduced by about 1/3 compared to the ordinary V band, so the lateral stiffness is large. The top of the belt is arched, so that when the rope core is forced, it is still arranged neatly, so that the force is uniform and the effect of each string is fully exerted. The discharge position of the strong laminar rope is slightly higher, and the two sides of the belt are intaglio. A layer of directional fiber film is arranged between the strong layer and the compressed plastic layer. Due to structural characteristics, the transmission capacity can be increased by 0.5 to 1.5 times at the same speed as the ordinary V band. At the same time as the transmission power, the structure size of the narrow V band is reduced by 50 % compared to the ordinary V band, the service life is significantly extended, the limit speed can reach 40 ~ 50m/s, and the transmission efficiency can reach 90 % ~ 97 %. In addition, the use of narrow V belt can shorten the transmission center distance, reduce the width of the pulley, and is widely used for various power transfer.
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