Numerical Simulation and Process Optimization of Magnesium Alloy Vehicle Dashboard Cross Car Beam (CCB) Based on MAGMA

At present, the qualified rate of large thin-walled magnesium alloy castings is low. In this study, effects mold structure and process parameters were investigated to improve production qualification castings. The filling die was simulated by numerical simulation technology optimize their structure. On basis an optimized structure, using a response surface model, group optimal combinations obtained: pouring temperature—660 °C; preheating temperature—200 injection speed—6.5 m/s. rationality verified die-casting experiments. results show that can effectively reduce internal shrinkage cavity casting defects automotive CCB castings, This research has important guiding significance for parts.