Drum gear coupling, Botou City Jie Tai machinery factory in the teeth of the ring gear mechanism by slotting into, sleeve outer teeth using professional equipment made approximately spherical shape, angle to compensate for increased capacity, improve the contact surface and the outer teeth of the inner tooth, so that the drum gear coupling the external tooth when axial sliding, reduce wear and extend the life cycle, improve the transmission capacity and efficiency, by many metallurgy, mining and other equipment applications. Jie Thai mechanical drum gear coupling, specification is complete, extensive inventory, short processing cycle, beautiful appearance, long life, timely delivery and a complete set of service system, can also be customized according to customer drawings. -