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- W4220789648 abstract "Metal injection molding (MIM) is a kind of metalworking in which fine powder metal is mixed with binder material to create a feedstock that is then shaped and solidified using injection molding. As the metal powder and binder of an injected part are weakly bound during the cooling stage, the part temperate must be cooled down appropriately before the mold can be opened. It may be difficult for conventional two-dimensional (2D) cooling channels to deal with the problem of nonuniform temperature distribution for multicavity molds. In this study, we integrate the technologies of mold flow analysis, metal additive manufacturing and CNC machining for the design and manufacturing of a multicavity mold for MIM injection parts using a combination of conformal cooling channels and a baffled hole system. Mold flow analysis was implemented for the design of a conformal cooling and baffled hole system. Metal additive manufacturing and CNC machining were combined for the manufacturing of a core and cavity that has 3D cooling channels embedded inside. A four-cavity mold was manufactured to produce an MIM part, and a shop floor testing of this mold was performed to verify the quality of the injected part. In this study, we successfully demonstrate how to improve the cooling rate of a thick MIM part with an appropriate design of the cooling system. Also, a description of the integrated mold design and manufacturing technology is provided." @default.
- W4220789648 created "2022-04-03" @default.
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- W4220789648 date "2022-03-14" @default.
- W4220789648 modified "2023-10-16" @default.
- W4220789648 title "Improving the cooling rate of metal injection molding by implementing conformal cooling channels and a baffled hole system" @default.
- W4220789648 doi "https://doi.org/10.1201/9781003278474-7" @default.
- W4220789648 hasPublicationYear "2022" @default.
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