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    • 12. 发明申请
    • METHOD FOR PRODUCING FLANGED STRUCTURAL PRODUCTS DIRECTLY FROM SLABS
    • 从SLABS直接生产法兰结构产品的方法
    • WO1996023608A1
    • 1996-08-08
    • PCT/US1995013740
    • 1995-10-23
    • BETHLEHEM STEEL CORPORATION
    • BETHLEHEM STEEL CORPORATIONWILDE, William, J.
    • B21B01/08
    • B21B1/088B21B1/092B21B1/095B21B1/14B22D11/009B22D11/05B22D11/1206
    • Flanged structural products are rolled directly from rectangular slabs (12) using only a universal mill having web rolls of fixed width corresponding to a selected finished web depth of the finished product. Original slab width is dependent upon the area ratio of the web and flanges in the intended finished product. As the slab thickness is reduced between web rolls, flange rolls simultaneously apply pressure to the longitudinal edge surfaces of the slab, moving material toward the slab's center. The edge surfaces of the slab become upset in each pass so that the slab thickness at the edges exceeds the original slab thickness. As rolling proceeds, the web rolls are brought closer together as are the flange rolls. At every set point of these rolls, the cross section of the now deformed slab maintains a fixed ratio of areas between the web and the flanges, the same area ratio as in the finished product. The web and flange rolls are moved in precalculated increments until the slab takes on a finished wide flange shape (10), ready for use in the construction industry.
    • 法兰结构产品仅使用具有对应于成品的所选成品网深度的具有固定宽度的卷筒辊的通用轧机直接从矩形板(12)轧制。 原始板坯宽度取决于预期成品中的幅材和凸缘的面积比。 当腹板之间的板坯厚度减小时,法兰辊同时向板坯的纵向边缘表面施加压力,将材料移向板坯的中心。 板坯的边缘表面在每次通过中变得不舒服,使得边缘处的板坯厚度超过原始板坯厚度。 随着轧制的进行,卷筒纸与凸缘辊一样靠近在一起。 在这些辊的每个设定点处,现在变形的板坯的横截面保持了幅材和法兰之间的区域的固定比率,与成品中相同的面积比。 纸幅和凸缘辊以预先计算的增量移动,直到板坯处于完整的宽法兰形状(10),准备用于建筑行业。