| 摘要 |
PURPOSE: A rolling control method for a rolling mill is provided to improve threading properties by reducing the difference in the roll-separating force of a walk side and a drive side. CONSTITUTION: A rolling control method for a rolling mill is as follows. A control unit receives the input of the roll-separating force of a walk side and a drive side in respect to a strip passing through a rolling roll. The control unit calculates a difference characteristic value of the roll-separating force based on the sum and the difference of the roll-separating force of the walk side and the drive side. The control unit controls a roll-separating force applying unit by reflecting the difference characteristic value of the roll-separating force. [Reference numerals] (AA) Start; (BB) End; (S100) Receive the input of the roll-separating force(F_WS) of a walk side and the roll-separating force (F_DS) a drive side; (S110) Calculates the sum (F_TOT) and the difference (F_DIFF) of the roll-separating force; (S120) Calculate a difference characteristic value of the roll-separating force (a) and a coefficient of correlation (R); (S130) Coefficient of correlation >= a standard value; (S140) Apply a roll-separating force by reflecting the difference characteristic value (a) of the roll-separating force |
