大型护环双冲头复合冲挤热成形工艺研究  

Compound Punching-extrusion Process for Large Retaining Rings with Double Punches

作　　者：禹兴胜 田继红[2] 郭会光[2] 

机构地区：[1]中信重工机械股份有限公司重型铸锻厂,河南洛阳471039 [2]太原科技大学材料科学与工程学院,山西太原030024

出　　处：《机械工程与自动化》2012年第4期107-108,共2页Mechanical Engineering & Automation

摘　　要：大型护环热成形困难,以300MW护环包套冲扩热成形工艺的成功研制为基础,从理论与实践上提出了双冲头复合冲挤热成形新工艺,用于600MW护环成形,节约了火次,节省了模具费用,并从数值模拟的角度证明了工艺的可行性,在理论和实践上具有重要意义。It is difficult to form the large retaining rings. In this paper, based on the successful research on punching-extrusion process, the double-punch compound punching-extrusion process is derived. The new process can reduce the heating times and save the mould costs. The feasibility of new process is certificated by numerical simulation. It is of important significance on the theory and experience.

关 键 词：大型护环 复合成形 数值模拟 

分 类 号：TG376[金属学及工艺—金属压力加工]