SCREW ROLLING STAND Russian patent published in 1995 - IPC

FIELD: metals thrust working. SUBSTANCE: stand has supports with drum, located in each support. Drum has drive to turn it round its axis and drive of axial movement. Two disk rollers are mounted in drum. Preceding roller in respect to direction of rolling is placed at positive angle of rolling and following one - at negative angle, that allows to bring rollers close to each other and create total short area of deformation. Supports are mounted at one level and drums turning shafts are in one horizontal plane, with which axis of rolling is matched. Disk rollers are set eccentrically in respect to drum turning shaft with different eccentricities l₁ and l₂ and O₂ correspondingly. In the case center of OO₁ axis of following roller is shifted from OO line, that connects centers of axes of preceding roller and drum, by angle of Ψ, in other words, radius-vectors are located at angle to each other. EFFECT: screw rolling stand is used for metals thrust working. 2 dwg