ROLLER DRAWING DIE Russian patent published in 2003 - IPC

FIELD: plastic metal working, namely drawing apparatuses. SUBSTANCE: roller drawing die includes two mutually normal pairs of rollers mounted in roller holders jointly secured to rods mounted in struts and being in the form of screw having central opening and in its rear end head in the form of rectangular parallelepiped with opening for axles of points. Roller holder is jointly secured with possibility of additional motion along axis of joint fixed in head of rod. In jaws of roller holders there are threaded openings for screws designed for adjusting sleeve position. EFFECT: enhanced accuracy of making shaped and round wire due to improved accuracy of axial and radial adjustment of rollers of drawing die. 2 cl, 5 dwg