| 摘要 |
<p>PROBLEM TO BE SOLVED: To hold the stable rolling state and also to improve the quality of products by rapidly correcting the variation in width due to low tension state of a rolled stock between stands. SOLUTION: When the tension of the rolled stock between the stands on the upstream side as seen from between the stands at which an edger is arranged is detected by a tension detecting means 9, the low tension state is detected by a low tension detecting means 28 and also the variationΔB of the width to the reference value of tension is calculated. On the other hand, a time when the position of the material in the low tension state reaches the edger is calculated by a correction timing signal generating means 30 and the correction timing signal is outputted at the arrival time. Then, the correctionΔSBIN of roll gap for correcting the calculated variation of the width is calculated by an edger gap correcting means 29 and the roll gap of the edger is corrected to the correction timing signal.</p> |
