简单介绍了长钢连轧厂用五架连轧机组淘汰横列式轧机的技术改造，取得了明显的效果。

The technique reformation of using five continuous rolling mills and elimination of open-train roughing mill in Changzhi Iron and Steel Co. are briefly introduced. The reformed result is good.

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分析了在横列式轧机轧制大规格热轧带肋钢筋时头部葫芦状尺寸超差的产生原因，通过改进轴承座结构，有效地解决了这一问题。

The causes of the head size over tolerance of large size hot rolled ribbed bars are analyzed. By improving the structure bearing bracket, this problem was resolved well.

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