Numerical Simulation and Optimization of Squeeze Casting Process Parameters of Aluminum Alloy Wheel Hub
Author of the article:HONG Tao;WANG Dongfang;HUA Fengzhi
Author's Workplace：School of Mechanical and Power Engineering,Nanjing University of Technology,Nanjing 211816,China
Key Words：aluminum alloy wheels squeeze casting numerical simulation process parameter optimization
Abstract：
Taking aluminum alloy wheel hub as the research object,the filling and solidification process of squeeze casting was numerically simulated.In the process of extrusion,the metal liquid filling was not stable,which would lead to the phenomenon of air entrainment and eddy,and shrinkage cavity and porosity were easy to occur in the hub center and rim.On this basis,the casting system was improved and the process parameters were optimized,and the optimized parameters were simulated numerically.The results show that the filling process of liquid metal is relatively stable and the defects such as shrinkage cavity and porosity are eliminated.
