| 摘要 |
<p>PURPOSE:To minimize the deflection caused in a work roll and to effectively execute the shape control by mutually shifting intermediate rolls and driving sleeve rolls in the axial direction according to the strip width of a material to be rolled and matching the straight barrel side end parts of each intermediate roll and driving sleeve roll to the side parts of the material to be rolled. CONSTITUTION:Firstly, the intermediate rolls 24, 26 are mutually shifted and the straight barrel side end parts of each intermediate roll 24, 26 are matched to the side parts of the material 23 to be rolled. Successively, the lower driving sleeve roll 38 is shifted in the same direction of the upper intermediate roll 26 and matched to each side part of the material 23 to be rolled. By such a way, as the load acting to the work rolls 21, 22 becomes the same width at the upper and the lower parts and is mutually cancelled at the upper and the lower parts, the deflections of the work rolls 21, 22 are minimized, and in this condition, in the case of acting the roll bending, the deformed effect of the axes of the work rolls 21, 22 are maximized and the shape control effect of the material 23 to be rolled is made large.</p> |
