Aiming at the shrinkage defects often formed in production of thin-walled automobile investment castings

the solidification process of liquid metal was simulated by the ProCAST software.On the basis of the initial simulation

the process feeding channel was added to optimize the structure of the castings so as to obtain highquality castings

to shorten the development cycle of the products

to improve the internal quality of the castings and to reduce the trial-production cost of the products.