| 摘要 |
PROBLEM TO BE SOLVED: To provide a shape control method and a shape control device for a metal strip each of which enables a hot-rolled metal strip shape cooled down to normal temperature to be controlled within a target range over a full length regardless of the capacity of shape control of a finishing mill.SOLUTION: In a shape control processing which is one embodiment of the present invention, a control device 10: predicts a change in shape at each longitudinal position of a metal strip S occurring when the metal strip S hot-rolled by a finishing mill 2 is cooled down to normal temperature; sets a target shape of the metal strip S on the outlet side of a run-out table provided on the outlet side of the finishing mill 2 according to a longitudinal position of the metal strip S so that a predicted change in shape of the metal strip S is compensated for; and uses a cooling device 3 to control the shape of the metal strip on the outlet side of the run-out table to a target shape.SELECTED DRAWING: Figure 1 |
