Static Casting
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No-bake
No-bake molding is a sand molding process where synthetic liquid resin is mixed with the sand, and the mixture hardens and cools at room temperature*. In addition to the sand and resin, the molding mixture contains bentonite, water, inert sludge, anthracite, and a small amount of various other minerals.
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Investment
Investment casting is a manufacturing process in which a liquid material is poured into a ceramic mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is the casting, which is broken away from the ceramic mold to complete the process.
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Shell Molding
Shell mold casting is a metal casting process similar to sand casting in that molten metal is poured into an expendable sand-based mold. However, in shell mold casting, the mold is a thin-walled shell created by applying a sand-resin mixture around a pattern.
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Green Sand
Green sand is composed of silica sand mixed with water, bentonite, and other additives, such as coal dust, for iron applications. Compressing this moist mixture transforms it into a hard block that can securely contain molten metal. During automatic mold-making, machines squeeze the sand against a pattern plate.