| 摘要 |
PROBLEM TO BE SOLVED: To provide a rolling control method in a rolling mill, in which a roll profile is accurately corrected by calculating such a roll profile error that a roll gap at the position of a width-direction plate end does not change with respect to a roll gap before roll profile correction, and plate thickness and plate crown can be corrected with high accuracy on the basis of the corrected roll profile.SOLUTION: According to the present invention, the rolling control method is provided in which a roll profile estimated error of a rolling mill roll 4 provided in a rolling mill 1 is calculated, a roll profile is corrected using the calculated roll profile estimated error, and a material X to be rolled is rolled using a rolling mill roll 4 having the corrected roll profile. The rolling control method is characterized in that when the roll profile is corrected, the amount of profile correction is calculated such that a roll gap in the width-direction end of the material to be rolled X after roll profile correction is equal to a roll gap in the width-direction end of the material to be rolled X before roll profile correction .SELECTED DRAWING: Figure 7 |
