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The Principle of the Belt-Type Weft Feeding Device of the Loom

 The variator is similar to the umbrella wheel device of a general weaving machine. It is a weft supply device superior to the umbrella wheel device. The obvious advantage is that it can adjust the weft supply without stopping the machine.

Working principle: By adjusting the rotation direction of the nut, the bracket assembly can be adjusted to a certain range with respect to the supporting shaft core, thereby changing the distance between the two rotating fulcrums that drive the belt, plus the unique tension belt pulley Trapezoidal design (umbrella design), which can artificially control the speed of the belt pressing wheel, and finally achieve the required weft supply speed to achieve the balance of supply and demand of the weft.