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石油危机以前,日本的钢铁工业以增加工厂和装备以及加快设备的运转来提高生产率。然而,以石油危机为转折点,钢铁工业现在试图从数量转向质量,旨在生产多种高级产品。同时,计划在各个车间的操作工序和设备之间实现更好的连续性,以求降低成本。 在热轧薄带领域中,钢铁工业需要一种具有更大灵活性的轧机,它能对付轧制品种、规格等方面有限制的条件。首先,希望得到一台能自由控制带材凸度及平整度的热轧机。为了满足这一要求,一种轧辊成对交
Before the oil crisis, Japan’s steel industry boosted productivity by adding factories and equipment and accelerating equipment operations. However, with the oil crisis turning point, the steel industry is now trying to shift from volume to quality with the aim of producing a wide range of premium products. At the same time, it is planned to achieve better continuity between operating procedures and equipment in each plant in order to reduce costs. In the field of hot strip, the steel industry needs a more flexible mill that can meet the limited requirements of rolling varieties, specifications and the like. First of all, I hope to get a free to control the strip crown and flatness of the hot rolling mill. In order to meet this requirement, a roll paired