Working Principle of Torque Limiter for Melt Pump

　　The special structure of torque limiter for melt pump is composed of moment input shaft and output sprocket shaft, two sprockets and three circular plates. There are eight semi-circular friction pairs between sprockets and circular plates. The three ring plates rotate in one body through the middle orifice and the input shaft, and the two chains and the output sprocket axles are connected in one body through three rows of roller chains. A friction pair is added between the ring plate and the sprocket. The tightening bolt clamps the ring plate, sprocket and friction pair so that the torque transmitted by the input shaft is transmitted to the output shaft through the friction generated by the friction pair, and then to the melt pump through the intermediate bearing and the spherical coupling.

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