METHOD FOR CONTROLLING SHEET CROWN BY WORK ROLL SHIFTING METHOD

PURPOSE:To obtain a product having the target distribution of thickness by using work rolls excellent in wear resistance and changing and correcting a roll shifting position in accordance with the thickness, width and target crown value of a material to be rolled. CONSTITUTION:A material to be rolled is rolled using a hot finishing rolling mill having mechanisms for shifting the work rolls in the axial direction of roll and the work rolls whose one end parts are tapered. The EL-value of the roll shifting position is reduced to a prescribed value as the thickness of the material to be rolled is thickened and/or as the material is widened. In this way, the product having the target distribution of thickness is obtained and, since the contact area of the work rolls with the material to be rolled is expanded, the consumption unit of roll is improved by uniformization of the wear range of roll.