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Die Casting (Brit. Pressure Die Casting)

A rapid, water cooled permanent mold casting process limited to nonferrous metals. There are three types: the plunger type operated hydraulically, mechanically or by compressed air with or without a gooseneck; the direct air injection which forces metal from a goose neck into the die, and the Cold Chamber Machine. All force the metal into the die with a pressure greater than that of gravity flow.