| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for straightening a shape steel which is capable of executing in online, moreover unnecessitates a complicated adjustment and to provide a compact device therefor. SOLUTION: A device is provided with two supporting rollers 2 which abut on the outer surface of a recessed side flange 100 of a shape steel 1 having upper and lower bends at a prescribed interval, a flange pressurizing roller 3 which abuts on the outer surface of a projected side flange 101 at a nearly middle part of two supporting rollers 2, and flange rolling rollers 4a, 4b which face the flange pressurizing roller 3 and respectively abut on inner and outer surface of the recessed side flange. The recessed side flange is rolled with the flange rolling rolls 4a, 4b while bending the shape steel with two supporting rollers 2 and the flange pressurizing roller 3. |
