The cause of strip width shrink (SWS) during hot continuous rolling is analyzed. A method to calculate SWS ratio is provided, some approaches for SWS reduction are discussed.

分析了窄带钢热连轧过程宽度拉缩的原因，给出了计算宽度拉缩率的方法，探讨了减少宽度拉缩的技术途径。

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The HR Coil, which is the basic raw material, is passed through CPL to remove the oxides or scales from strip surface to enable further reduction of thickness to desired level in Cold Rolling Mills.

HR 线圈， 是基本的原料，被道次过 CPL 把氧化物或者锈皮从分带表面移开使厚度的较进一步的还原反应能够在冷轧制造工厂需要水平。

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A new sizing process schedule was applied to modify the sizing process and width reduction accuracy was improved obviously, the cutting loss at strip head and tail end was decreased also.

提出了新的减宽压下规程，对减宽技术进行了改进，减宽精度明显提高，带钢头尾部的切损减少。

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