APPARATUS AND METHOD FOR SHIFTING UPPER WORK ROLL AND LOWER WORK ROLL OF FINISHING MILL

摘要

A method of controlling movement of a vertical work roll in a finishing rolling process, comprising the steps of: obtaining a width value of a material to be rolled while rolling progresses according to a first movement pattern; Determining a second movement pattern to be applied to the material among the plurality of movement patterns based on the obtained width value; And moving the upper and lower work rolls in accordance with the start position included in the determined second movement pattern, wherein the upper and lower work rolls are moved according to an embodiment of the present invention