Research on Investment Casting Process of Impeller Based on Additive Manufacturing
The impeller investment casting process was studied by using FDM 3D printing additive technology and numerical simulation software.The bottom-casting,top-casting and side-casting casting systems were designed.The numerical simulation analysis of each casting scheme was carried out using AnyCasting software,and the best casting scheme was obtained.Qualified castings were produced by using additive manufacturing techniques and investment casting processes.The results show that the AnyCasting software can accurately predict the defects of investment casting,the investment casting process can be well combined with the additive manufacturing technology,and can obtain excellent castings.The research solves the problem of casting defects caused by the cumbersome manufacturing process of impeller molds.
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