提高114CPE机组热轧无缝钢管成材率的工艺实践  

Practice of Process for Improving Yield of Seamless Pipe Hot-Rolled by 114CPE Mill

作　　者：卓钊[1] 杭乃勤[1] 程向龙[1] 段家田[2] 康志勇[2] 

机构地区：[1]武汉科技大学材料与冶金学院,武汉430081 [2]武钢汉阳轧钢厂,武汉430035

出　　处：《特殊钢》2009年第6期29-31,共3页Special Steel

摘　　要：针对Φ114mm CPE(斜轧穿孔延伸)机组生产石油用管成材率低的问题,对生产工艺流程进行了分析。得出中间热锯切和热切头尾是导致成材率低的两个重要原因。通过采用改进的钢管下冷床对齐方法以及缩口工艺,使Φ73.0 mm×5.5 mm和Φ88.9 mm×6.5 mm的石油用管综合成材率由78%提高至84.5%～85.0%。In light of the problem of low yield of pipe for petroleum produced by Ф114mm cross roll piercing elonga-tion （CPE） mill, an analysis on production process flow sheet has been carried out. It is obtained that hot-sawing on pipe in middle procedure and hot-cutting ends are two factors led to low yield. With adopting the improved alignment method as pipe moved to cooling bed and the pointing process, the comprehensive yield of Ф73.0 mm × 5.5 mm and Ф88.9 mm×6.5 mm pipes for petroleum inereades to 84.5% - 85.0% from original 78%.

关 键 词：CPE机组 顶管机 芯棒 缩口工艺 成材率 

分 类 号：TG335.11[金属学及工艺—金属压力加工]