METHOD FOR ROLLING STRIP WITH ROUND THICKENED PORTIONS ON EDGES Russian patent published in 2002 - IPC

FIELD: rolled stock production, possibly manufacture of shaped strips with round thickened portions on edges and with vertical symmetry axis, for example blanks of door hinges of automobiles. SUBSTANCE: method comprises steps of multiple reduction of strip along thickness in grooved horizontal rolls; after achieving relation of strip width to its thickness equal to 15-19, reducing strip along width in grooved vertical rolls at percentage reduction (1.2-2.2)%; then going on strip reduction in grooved horizontal rolls until its final thickness. EFFECT: enhanced quality of rolled strip with round thickened portions on edges due to lowered lengthwise curvature and elimination of burrs. 4 dwg, 1 tbl, 1 ex