FIVE HIGH ROLLING MILL, MULTI HIGH ROLLING MILL SKINPASS ROLLING MILL, AND ROLLING METHOD OF MULTI-HIGH ROLLING MILL

摘要

SUMMARY OF THE INVENTION An object of the present invention is to provide a five-stage rolling mill capable of realizing a plate shape with excellent surface quality even under a light reduction rate and a light rolling load, and preventing end wrinkles at the plate width end. A mutual work roll having a top and bottom work rolls, a top and bottom reinforcement roll having a diameter larger than the diameter of the work rolls, and a work roll of any one of the top and bottom reinforcement rolls and the reinforcement rolls, and having a diameter of the work rolls. And a middle roll having a larger diameter and having a diameter smaller than that of the reinforcing roll, wherein the middle roll has a drum length greater than the maximum plate width of the rolled material, and a work roll banding device is provided at each roll end of the upper and lower working rolls. Is provided, the roll end of the intermediate roll is to be provided with an intermediate roll bending device.