基于ProCAST的阀体零件熔模铸造工艺优化  

Optimization of Casting process of Valve Body by ProCAST

作　　者：高浩斐 屈银虎[1] 钟涛 王震 陈苗苗 王钰凡 张红 Gao Haofei;Qu Yinhu;Zhong Tao;Wang Zhen;Chen Miaomiao;Wang Yufan;Zhang Hong(School of Materials Science and Engineering,Xi’an Polytechnic University;Shaanxi Construction Engineering No.9 Construction Group Co.,Ltd.;Xi’an Aiwei Aviation Material Technology Co.,Ltd.)

机构地区：[1]西安工程大学材料科学与工程学院,西安710048 [2]陕西建工第九建设集团有限公司 [3]西安艾威航空材料科技有限公司

出　　处：《特种铸造及有色合金》2021年第5期657-660,共4页Special Casting & Nonferrous Alloys

摘　　要：阀体零件在铸造过程中极易产生缩松、缩孔等缺陷。基于ProCAST软件对阀体零件铸造的充型和凝固过程进行了模拟,预测铸造过程中阀体可能产生的缩松、缩孔等缺陷的位置。根据模拟的结果,改进了浇注系统,调整浇注温度,优化了工艺方案,减少了缺陷的发生几率,进而改善了铸件的品质。结果表明,采用顶注式浇注系统,充型时间为13.4 s,浇注温度为1550℃时,充型过程平稳,铸件缩松、缩孔缺陷得到了有效控制。Valve body isprone to shrinkage porosity,shrinkage and other defectsin the casting process.After three-dimensional modeling and meshing of the valve body parts,the filling and solidification process were simulated based on ProCAST software to predict the possible positions of shrinkage porosity,shrinkage cavity and other defects in the casting process.According to the simulation results,the gating system,pouring temperature,and process scheme was optimized to reduce the occurrence of defects,improving the casting quality.The results indicate that when the top gating system is used with filling time of 13.4 s and the pouring temperature controlled at 1550℃,the filling process is stable,and the shrinkage defects are effectively controlled.

关 键 词：35CrNiMo 阀体 熔模铸造 数值模拟 缩孔 浇注系统 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论] TG249.5[自动化与计算机技术—计算机科学与技术]