厚板圧延における新平面形状制御法の開発 : 差厚幅出し圧延法(<特集>圧延歩留り向上の技術と理論)

概要

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Recently, the techniques to improve material yield in plate rolling have been rapidly progressed. Among them the progress of the plan view pattern control rolling, represented by MAS (Mizushima Automatic Plan View Pattern Control System) rolling and others, is remarkable. The authors have developed another plan view pattern control rolling, which can be easily applied to existing mills. The new method is characterized by the inclination of the upper roll during broadside rolling, which is effective to modify the convex side crop shape. On the other hand, in order to modify the convex end crop shape edger rolling has been used, but it generates the convex side crop shape. Then it is effective to use edger rolling together with our new rolling to modify both the convex end crop shape and the convex side crop shape. This plan view pattern control system is easily applicable and can improve material yield by 1∿1.5%. Satisfactory results are being obtained by its application to the plate mill at Chiba Works of Kawasaki Steel Corporation.
社団法人日本鉄鋼協会の論文
1981-11-01