Investigation of deflections of winded screw flights and auger billets in the processes of their manufacture

Abstract

Analytical dependencies to assess the rigidity of multi-profile screw flights during their manufacture by winding strip blanks with an edge on a mandrel were obtained, which made it possible to determine the profiles of turns with high rigidity and evaluate the accuracy of such blanks. The regularities of deflection of a combined auger billet with open and closed windings in various ways of its fixing in the process of cold winding of strip blanks by a rib onto mandrels have been established.