船用柴油机主轴承座铸造的数值仿真与工艺优化  

Numerical Simulation and Process Optimization of Main Bearing Support Casting for Marine Diesel Engine

作　　者：朱卫华 马敏团[2] 杨小建[2] 王涛[2] ZHU Weihua;MA Mintuan;YANG Xiaojian;WANG Tao(Navy Military Affairs Commissary Office in Xianyang,Xianyang 713105,China;CSIC No.12 Research Institute,Xingping 713102,China)

机构地区：[1]海装驻咸阳地区军事代表室,陕西咸阳713105 [2]中国船舶重工集团公司第十二研究所,陕西兴平713102

出　　处：《热加工工艺》2019年第23期76-78,共3页Hot Working Technology

摘　　要：主轴承座是船用柴油机上的关键件,质量要求严格。本文采用ProCAST软件对铸造工艺进行了数值仿真,预测了缺陷的位置,分析了缺陷产生原因,并根据模拟结果优化了铸造工艺。使用改进工艺实现了铸件的顺序凝固,消除了缩松缺陷,保证了铸件质量。The main bearing support is the key part of the marine diesel engine,and the quality requirement is strict.The numerical simulation was made by ProCAST software.The location of the defects was forecasted.The cause of defects was analyzed and the casting process was optimized according to the simulation results.The sequential solidification of castings is realized by using the improved process,the defects such as shrinkage porosity are eliminated,and the quality of castings is guaranteed.

关 键 词：PROCAST软件 数值仿真 缺陷 工艺优化 

分 类 号：TG269[金属学及工艺—铸造]