薄壁球壳铸造工艺设计及数值模拟  

Casting Process Design and Numerical Simulation on Thin-Walled Spherical Shell

作　　者：李燕霞 张晓辉 李鹏 LI Yan-xia;ZHANG Xiao-hui;LI Peng(Hebei Hanguang Industry Co.,Ltd.,Hebei Key Laboratory of Dual Media Power Technology,Handan 056028,Hebei,China)

机构地区：[1]河北汉光重工有限责任公司,河北省双介质动力技术重点实验室,河北邯郸056017

出　　处：《铸造》2024年第7期1031-1034,共4页Foundry

摘　　要：介绍了球壳结构、技术要求及原工艺,对侧壁缩松缩孔缺陷产生的原因进行了分析。针对问题进行分型和浇注系统优化,并对排气系统进行校核后调整,利用ProCAST软件对工艺优化方案和铸件质量进行了分析,确定了合理的浇冒系统和排气系统。生产验证后,铸件一次交验合格率由54.5%提升至89%。The structure,technical requirements and original process of the spherical shell were introduced,and the causes of shrinkage defects on the side wall were analyzed.Aiming at the problem,the parting and gating system were optimized,and the venting system was adjusted after checking.The process optimization scheme and casting quality were predicted and analyzed by ProCAST software,and reasonable gating and feeding system were determined.After production verification,the first-pass rate of castings was increased from 54.5%to 89%.

关 键 词：球壳 气密 数值模拟 铸造工艺设计 

分 类 号：TG146.2[一般工业技术—材料科学与工程] TG242[金属学及工艺—金属材料]