| 摘要 |
PROBLEM TO BE SOLVED: To charge a preceding material and a succeeding material which are different in cross-sectional dimension to the same cooling bed in the order of rolling after sawing them into a prescribed length on two sawing lines. SOLUTION: At the time of automatically charging the preceding material and the succeeding material which are sawed into the prescribed length on the two sawing lines to the same cooling bed 1CB, by imparting the function for discriminating the change in the cross-sectional dimensions in accordance with the process of rolling to a tracking function with which a controller 20 is provided, a checking function for deciding whether the sawed rolled stock to be tracked is the preceding material or the succeeding material is added. When this rolled stock (cross section B) is entered into either of the sawing lines A, B, in the case it is judged that the preceding material does not remain on the down-stream side of this material on the line B of this material side and the preceding material (cross section A) is present on the line A on the opposite side before the cooling bed, the charge from the line B of this material side to the same cooling bed is automatically stopped.
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