材料期刊网

本文介绍了攀钢2#大方坯铸机45#钢动态轻压下模型参数设计基本思路以及相关模型参数的选定。45#钢生产实践表明，轻压下实施后，铸坯中心疏松评级小于等于0.5级比例由之前的88.48%提高到100%，铸坯中心无缩孔比例由79.72%提高到98.74%，铸坯横断面碳偏析指数由0.88～1.11改善为0.92～1.06，45#钢内部质量显著改善。

This article introduced the basic design ideas of steel 45# about dynamic soft reduction model parameters for No.2 Bloom-caster of Pansteel as well as the selection of the related model parameters. Steel 45# production practice shows that after the implementation of dynamic soft reduction, central porosity ratio≤0.5 increased from 88.48% to 100%, central bloom without shrinkage ratio increased from 79.72% to 98.74%, central segregation index of carbon improved from 0.88~1.11 to 0.92~1.06, the internal quality of steel 45# improved significantly.