| 摘要 |
The mill includes a stand on which at least three work rolls are mounted. At least two of the work rolls are secured in the roll housing chocks and provided with a drive means. The rolls rotate in opposite directions at different peripheral speeds increasing along the passline. At least one work roll is provided with a screwdown. The mill according to the invention for rolling metal strip is characterized by the axis of the middle work roll being offset with respect to the plane passing through the axes of the extreme work rolls towards the point where the metal strip being worked enters the first pair of work rolls, formed with the middle and the first extreme work rolls, as viewed in the direction of the passline, and towards the point of the metal strip emergence from the second pair of work rolls, formed with the middle work roll and the second extreme work roll. The rolling method according to the invention is characterized by the length of the deformation zones formed in the course of rolling between the first extreme work roll, as viewed in the direction of the passline, and the middle work roll and between the second extreme work roll, along the passline, and said middle work roll being less than half the circumference of said middle work roll. |
