压铸弯管接头正交试验设计及数值模拟  

Orthogonal Design and Numerical Simulation of Die-casting Bended Tube Joint

作　　者：王广太[1] 郭广思[2] 袁晓霞[2] Wang Guangtai Guo Guangsi Yuan Xiaoxia(College of Energy and Water Resources, Shenyang Institute of Technology School of Materials Science and Engineering, Shenyang Ligong University)

机构地区：[1]沈阳工业学院能源与水利学院,辽宁抚顺113122 [2]沈阳理工大学材料科学与学院

出　　处：《特种铸造及有色合金》2016年第10期1060-1062,共3页Special Casting & Nonferrous Alloys

基　　金：国家自然科学基金资助项目(51377110)

摘　　要：针对弯管接头压铸件结构进行分析,利用正交试验,通过数值模拟优化压铸工艺参数。根据数值模拟能够得到铸件的温度场变化、充型流动状况、铸件缩孔、缩松所在位置及孔隙率。利用正交试验得到的优化压铸工艺参数:压射速度为1.8m/s,模具预热温度为200℃,铝合金浇注温度为660℃。Based on the analysis of aluminum die-casting bended tube joint structure,die casting processing parameters were optimized by orthogonal test and numerical simulation.According to numerical simulation analysis of the casting process,the temperature field,filling flow condition,shrinkage position and shrinkage porosity can be presented.By orthogonal testing,the optimized process parameters are presented as follows：injection speed of 1.8m/s,mold preheating temperature of 200 ℃,pouring temperature of 660 ℃.

关 键 词：铝合金 数值模拟 压铸 弯管接头 

分 类 号：TG249.2[金属学及工艺—铸造]