通过分析江苏天淮钢管PQF轧制机组的三辊穿孔特点,针对生产大口径薄壁管?508mm系列产品,进行相关工艺参数的设定,并根据生产实际情况解决径璧比偏大、毛管尾部斜茬比较大、连轧轧制负荷偏高等问题,新产品的技术在生产上得到了成功的应用。 By analyzing the characteristics of three-roll perforation of PQF rolling unit in Jiangsu Tianhuai Steel Pipes, the production of large-diameter thin-walled tube? 508mm series of products, the relevant process parameters set, and according to the actual production situation to solve the large diameter ratio, Stubble is relatively large, rolling and rolling load is too high, the new product technology has been successfully applied in production.