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Vacuum differential pressure casting is one of the most advanced casting process where there are still serious process defects existed in large complex thin-wall castings. Combination of computer simulation and approximation modeling is applied to improve process reliability of vacuum differential pressure casting in this paper. First, the computer simulation experiments are carried out according to the experiment plan generated by DOE. Then, sample data can be collected from computer simulation by tools in CAD/CAE software or image recognition. Finally, approximation modeling is established and process parameters are optimized, so that process reliability of vacuum differential pressure casting is improved.

Applications of Combination of Computer Simulation and Approximation Modeling in Improving Process Reliability of Vacuum Differential Pressure Casting