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1.前言在上个世纪末,轧辊制造工艺还不很完善,材质为简单的普通铸铁。辊身在冷型中铸造,而辊颈在砂模中铸造,见图1.在冷型中的部分由于具有较高的冷却速度可以得到富碳化物的辊身表面;在砂型中的部分由
1. Foreword At the end of the last century, the roll manufacturing process is not yet perfect, the material is simple ordinary cast iron. The roll body is cast in a cold form and the roll neck is cast in a sand mold as shown in Figure 1. The part in the cold form can have a carbide-rich roll body surface due to the higher cooling rate; the part in the sand form consists of