"Rolling Mill Control System, Control Method For The Rolling Mill Control System And Program For Executing The Control Method"

Abstract: A rolling mill control system (S) incorporates V product specification storage device (42), a mill stand operating condition acquiring device (41) for acquiring data as to the operating conditions of #1 and #2 mill stands (1, 2), a weld point passing way determining device (44) for determining whether the mill stand is set in a rolling condition or an opening condition, before and after the passing of a weld point, a weld point passing desired value setting (46) for setting a desired control value of the gap between work rolls (lw, 2w) before and the after the passing of the weld point, a weld point passing timing setting device (45) for setting timings for opening and closing the work rolls, a pivot stand setting device (48) for determining one mill stand as a pivot mill stand whose speed is used a reference speed, among the mill stands when the work rolls are opened or closed, a speed instruction generating device (49) for determining speed instructions to a speed controller, and a work roll gap instruction outputting device (47) for instructing the opening and closing of the work rolls to a gap controller. Fig. 2

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