Castings - 4:  Die Casting
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Die casting uses molds (or “dies”) made of steel, and is used to make castings of the non-ferrous lower temperature metals, such as aluminum, zinc, or bronze. The mold is machined from two blocks of steel, and consequently, the castings have a much smoother surface finish and smaller radii and draft than parts made from sand castings

In die casting, the molten metal is injected by a piston into the mold where it cools and solidifies. Afterwards, the mold is pulled apart by hydraulic cylinders and the casting removed. The entire process is automated and produces parts rapidly

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label: casting, castings, sand casting, die casting, investment casting, bosses, lugs