JOINT MOLDING MACHINE FOR LINEAR STEEL SHEET PILE, AND METHOD FOR MANUFACTURING LINEAR STEEL SHEET PILE

摘要

The present invention has: a pair of web guide rollers (61a, 61b) provided on the exit side of a rolling roller for final mold rolling by a double rolling machine for rolling a vertically-asymmetrical linear steel sheet pile (1), the pair of web guide rollers (61a, 61b) provided so as to sandwich a web part (11) of the rolled linear steel sheet pile (1); and a pair of mold guide rollers (62a, 62b) provided farther to the downstream side of the linear steel sheet pile (1) in the rolling direction than the pair of web guide rollers (61a, 61b). Protrusions (621a, 621b) are provided at the center in the rolling direction and in the vertical direction perpendicular to the width direction of the linear steel sheet pile (1), said protrusions (621a, 621b) protruding radially outward in accordance with the desired shape of joints (12a, 12b) that are formed on both widthwise sides of the linear steel sheet pile (1). The pair of mold guide rollers (62a, 62b) make contact with the joint (12a, 12b) from the widthwise outer side.