铝合金变速箱箱体挤压铸造工艺设计与验证  

Squeezing Casting Process Design and Verification of Aluminum Alloy Gearbox Case

作　　者：赵曼 苏小平[1] 康正阳 杨闯 ZHAO Man;SU Xiao-ping;KANG Zheng-yang;YANG Chuang(School of Mechanical and Power Engineering,Nanjing Tech University,Nanjing 211816,Jiangsu,China)

机构地区：[1]南京工业大学机械与动力工程学院,江苏南京211816

出　　处：《铸造》2023年第9期1181-1188,共8页Foundry

摘　　要：采用有限差分法对铝合金变速箱箱体的挤压铸造过程进行了数值模拟。根据充型、凝固过程的数值模拟结果,判断铸件产生缺陷的原因;针对模拟的缺陷进行工艺方案改进,并通过实验数据验证了数值模拟结果的有效性;可为同类产品的工艺设计和生产提供指导。The finite element method was used to simulate the squeezing casting process of aluminum alloy gearbox case.According to the numerical simulation results of filling and solidification process,the causes of casting defects were determined,and the process plan was improved according to the simulated defects.The effectiveness of numerical simulation results was verified by the experimental data,which could provide meaningful guidance for the process designation and production of similar products.

关 键 词：变速箱箱体 数值模拟 挤压铸造 试验验证 

分 类 号：TG249.2[金属学及工艺—铸造]