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The external motorized pulley, removing the motor out of the motorized pulley, has good heat dissipation performance and easy maintenance. Most of the external motorized pulleys are used on high-power rollers.

There are three types of transmission for our external motorized pulleys: fixed-shaft gear transmission, cycloidal pinwheel transmission and planetary gear transmission. YTW type adopts an external hard-toothed planetary gear transmission in advanced NGW transmission principle, so it is the most ideal driving device for large and medium belt conveyors. According to the user requirements, external motorized pulley can be equipped with flexible couplings, hydraulic couplings, backstops and rubber coating. The replacement of ordinary motor by flameproof motor can make a flameproof external motorized pulley. Installation modes include I.cantilever type, II. split type, III.horizontal vertical type.