| 摘要 |
PROBLEM TO BE SOLVED: To exactly and easily remedy the warpage in the width direction of a corrugated cardboard sheet independent of the experience and know-how of an operator in a system for remedying the warpage of the corrugated cardboard sheet. SOLUTION: From specified control elements affecting the water contents of liners 20 and 23 among the control elements of a corrugated cardboard sheet production apparatus 1, a specified control element is selected corresponding to the warpage condition of the corrugated cardboard sheet 25 and the influence of each specified element on the warpage of corrugated cardboard. With regard to the selected specified control element, the quantity of control is calculated on the basis of information on the warpage condition and information on the operation condition of the production apparatus 1, and the selected specified control element is controlled by the quantity of control. The information on the warpage condition is acquired by a warpage condition information acquisition means having water content detection means 40a and 40b for the liners 20 and 23 and a detection means 8 for detecting the warpage of the sheet 25 based on the detection information of the detection means 40a and 40b. COPYRIGHT: (C)2003,JPO
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