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首页> 外文期刊>ISIJ international >Rolling Technology and Theory for the Last 100 Years: The Contribution of Theory to Innovation in Strip Rolling Technology
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Rolling Technology and Theory for the Last 100 Years: The Contribution of Theory to Innovation in Strip Rolling Technology

机译：近一百年来的轧制技术和理论：带钢理论对带材轧制技术创新的贡献

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Rolling theory has made remarkable progress for the last 100 years. The history of rolling theory is described in this report, comparing rolling theory with innovation of strip rolling technology. In Japan, computer control system started to be introduced to iron and steel company in 1960s. Therefore, research of rolling theory became in dispensable. Before 1960, it was published mainly in the Western countries. It is said that two-dimensional rolling theory had been completed. First of all, in Japan flow stress was investigated to calculate rolling load precisely, and approximate three-dimensional analysis for deformation of rolled strip was researched to predict the distribution of rolling pressure in width direction, which made up crown and shape of rolled strip. After that, FEM (finite element analysis method) replaced the approximate three-dimensional analysis, by which three-dimensional deformation of rolled strip could be calculated precisely. The results of these researches supported the innovation of crown and flatness control technology and the invention of many rolling mills with high functional ability for crown and flatness control. Next, the continuous strip rolling theory was completed chiefly in Japan, by which the static and dynamic characteristics of tandem strip mills could be understood. It is said that the continuous rolling technology for cold and hot strip tandem mills would not be realized without the continuous strip rolling theory.
机译：滚动理论在过去100年中取得了显着进步。本报告介绍了轧制理论的历史，将轧制理论与带钢轧制技术的创新进行了比较。在日本，1960年代开始将计算机控制系统引入钢铁公司。因此，滚动理论的研究成为必不可少的。 1960年前，它主要在西方国家出版。据说二维滚动理论已经完成。首先，在日本对流动应力进行了研究，以精确地计算出轧制载荷，并对轧制带材的变形进行了近似的三维分析，以预测轧制压力在宽度方向上的分布，它由轧制带材的凸度和形状组成。之后，用有限元分析法代替了近似的三维分析，从而可以精确地计算出轧制带钢的三维变形。这些研究的结果支持了凸度和平直度控制技术的创新以及许多具有高凸度和平直度控制功能的轧机的发明。接下来，主要在日本完成了带钢连续轧制理论，由此可以了解串联带钢轧机的静态和动态特性。据说，如果没有连续带材轧制理论，就不会实现冷热带钢连轧机的连续轧制技术。

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