核电大锻件锻造工艺改进方面的研究  

Research on Forging Process Improvement of Large Forgings for Nuclear Power

作　　者：何利东[1] 刘华[1] HE Li-dong;LIU Hua(Sichuan Engineering Technical College,Deyang 618000,China)

机构地区：[1]四川工程职业技术学院,四川德阳618000

出　　处：《机械工程与自动化》2023年第5期141-143,共3页Mechanical Engineering & Automation

摘　　要：参照实际工厂锻造600 MW大型核电锻件的典型工艺流程,采用DEFORM软件针对其中的平砧镦粗的改进工艺锥形板镦粗进行了详细的数字模拟分析,研究了新工艺变形工件内部的应力应变分布特征,并得出该工件锥形板镦粗的最佳锥形工艺角度,研究结果对实际核电大锻件的生产具有一定的参考价值。According to the typical technological process of forging 600MW large nuclear power forgings in actual factories,this paper makes a detailed numerical simulation study on the conical plate upsetting of the improved process of flat anvil upsetting by using DEFORM software,the distribution of stress and strain in the deformed workpiece was studied,and the optimum cone angle of the cone plate upsetting was obtained.The research results have important reference value for the actual production of nuclear power heavy forgings.

关 键 词：大锻件 锥形板镦粗 锻造工艺 

分 类 号：TG316[金属学及工艺—金属压力加工] TP391.7[自动化与计算机技术—计算机应用技术]