Screw conveyor with anti-friction polymer coating for cotton transportation

Abstract Screw conveyors used in the ginning industry when interacting with raw cotton, significantly damage it and reduce the quality of the products. The article presents the results of a study of the effect of antifriction polycaproamide composite coating applied to the surface of the screw and the chute on the quality of cotton fiber and seeds, as well as on the productivity and power consumption of the screw conveyor for cotton. During the production tests, measurements are made of the magnitude of the linear wear of the coating on the surface of the screw and chute. It is established that with the recommended thickness of the coating of APCC-I 600–700 microns, its durability under operating conditions at the cotton gin plant, with two-shift operation during one season, will be fully ensured.

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