铝合金汽车轮毂铸件凝固过程缺陷CAE分析  

CAE analysis on defects of aluminum alloy hub for automobile in solidification process of casting

作　　者：曾红[1] 靳云飞[1] 张德强[1] 

机构地区：[1]辽宁工业大学机械工程与自动化学院,锦州121001

出　　处：《机械设计与制造》2011年第8期193-194,共2页Machinery Design & Manufacture

基　　金：辽宁省教育厅重点实验室项目(LS2010080)

摘　　要：用对比定量的方法研究了浇注温度、模具预热温度对模具温度场的影响,探讨了冷却方式、浇注速度及模具结构对铸件缺陷的影响.运用某铸造模拟软件对其模具及铸件进行了压铸过程温度场分析和轮毂低压铸造充型及凝固过程做了模拟分析,介绍了铸件缺陷-缩松,缩孔的成因,利用CAE技术分析了铝合金汽车轮毂在凝固过程中浇注速度、冷却方式对缩松,缩孔的影响。The impact of the pouring temperature and mold preheat temperature on mold temperature field are researched with contrast and quantitative methods,in which the impact of the cooling method,casting speed and the mold structure on the castings defect are discussed.With the utilizing of simulation software,temperature fields of mold and castings in casting process,low pressure die-casting filling of the hub as well as solidification process are simulated and analyzed.Then the causes of casting defections including shrinkage porosity and shrinkage cavity are introduced.Finally the impact of casting rate and cooling methods on shrinkage porosity and shrinkage cavity are analyzed in the solidification process of aluminum alloy hub for car by adopting CAE technology.

关 键 词：缩松 缩孔 铝合金轮毂 

分 类 号：TH16[机械工程—机械制造及自动化] U463.343[机械工程—车辆工程]