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采用铅作为模拟材料，对热带粗轧机组平统立轧一平轧调党的变形规律进行了实验研究。简要分析了立轧时的“狗骨”行为和随后平轧时宽度变化行为与来料厚度、宽度、轧辊直径和压下星的关系，并建立了新的数学模型。
Lead was used as a simulation material to conduct an experimental study on the deformation law of a flat-rolled flat-rolled slab in a tropical roughing mill. The behavior of “dog bone” during the vertical rolling and the relationship between the width variation and the thickness, width, roll diameter and pressure of the star during the subsequent flat rolling are briefly analyzed. A new mathematical model is established.