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SHAPE STEEL EDGER ROLLING MILL HAVING FLANGE
SHAPE STEEL EDGER ROLLING MILL HAVING FLANGE
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机译:带有边缘的异型钢卷边轧机
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摘要
PROBLEM TO BE SOLVED: To prevent a shape defect such as buckling or stumbling of a flange and manufacture a shape steel product particularly high in flange width accuracy and web center position accuracy when width reduction or end surface forging or shaping is performed for the flange part of a rolled material in an edger rolling mill for rolling shape steel having a flange.SOLUTION: An edger rolling mill for forging/pressure-reducing the tip part of the flange corresponding part of a rolled material in the manufacturing of shape steel having a flange includes an upper roll pair and a lower roll pair vertically symmetrical with respect to a pitch line. The upper roll pair includes an upper left roll and a right upper roll horizontally symmetrical at the center of the rolling mill, and the lower roll pair includes a left lower roll and a right lower roll horizontally symmetrical at the center of the rolling mill. The roll axes of the left upper roll, the right upper roll, the left lower roll, and the right lower roll are inclined by angles equal to the inclination angle of the flange corresponding part on which each roll abuts during rolling.SELECTED DRAWING: Figure 5
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