APPARATUS FOR TRANSVERSE-WEDGE ROLLING Russian patent published in 1995 - IPC

FIELD: metal pressure working. SUBSTANCE: rotating driving rollers make blank to rotate and using inclined deforming planes of working wedges in series exercise deformation of blank. During the process one of wedges on one of rollers is made by 0.3 0.03 mm below, than corresponding to it wedge on another roller, that ensures elimination of twisting efforts, causing blank breakage and opening of its axial cavity. EFFECT: increased production. 3 dwg