Abstract
Impellers are widely selected as the research object for its characters of curved surface and high-demanded surface quality. The investment casting of alloy ZL104 impeller with PLA 3D printed pattern is performed. In order to optimizing the process of impeller, CAE analysis software AnyCasting is carried on for the design of gating system. The cross-sharp side gating system is selected as the outstanding one for none defects and uniform filling process. Moreover, the gating system with four uniform distributing risers is established as the prime solution. All the conclusions is checked in the reality experiments that investment casting based on 3D printing, with association of CAE simulation can promote the production efficiency.
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