Improvement of Tube-end Pointing Process of CPE Pipe Plant and Operation Effectiveness
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摘要: CPE轧管工艺是经过改良的顶管工艺,但其仍然存在成品管长度短、金属收得率低、生产能力低等缺点。为提高该轧管工艺的成材率,武钢集团汉阳钢厂通过具体分析CPE机组缩口工艺的特点,提出了CPE机组减少金属切头损失的工艺创新思路,改进缩口工艺,实施不切“杯底”的技术措施。此技术已在该厂Φ114mmCPE机组上应用并取得良好效果。Abstract: Although the CPE pipe-rolling process is in fact a well-modified push bench process,it has disadvantages as rather limited length range of finished tubes,low metal yield and small production capacity,etc. Based on analysis of characteristics of the CPE plant's tube-end pointing process,some proposals are put forward by the Hanyang Steel Works,Wuhan Iron and Steel (Group) Corporation to reduce the metal loss of the plant,including improvement of the tube-end pointing process and taking non-"cup bottom"-cutting tech-nique. The innovative technology has been applied to the Φ114 mm CPE plant of the company,resulting in satisfactory effectiveness.
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