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Gravity casting is among the oldest known processes for fabricating metals and metal alloys. [1] It involves the pouring of molten metal from a crucible into a mold under only the force of gravity, without the use of pressurized gases, vacuums, or centrifugal force .
An engine block with aluminum and magnesium die castings. Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool steel dies which have been machined into shape and work similarly to an injection mold during the process.
Permanent mold casting. Permanent mold casting is a metal casting process that employs reusable molds ("permanent molds"), usually made from metal. The most common process uses gravity to fill the mold, however gas pressure or a vacuum are also used. A variation on the typical gravity casting process, called slush casting, produces
Gravity die casting, cast condition 200 200 <1 110 4000 series. 4000 series are alloyed with silicon. Variations of aluminium–silicon alloys intended for ...
Zamak 2 is also known as Kirksite when gravity cast for use as a die. [2] [18] It was originally designed for low volume sheet metal dies. [19] [20] It later gained popularity for making short run injection molding dies. [19] It is also less commonly used for non-sparking tools and mandrels for metal spinning.
The die casting process forces molten metal under high pressure into mold cavities (which are machined into dies). Most die castings are made from nonferrous metals, specifically zinc, copper, and aluminium-based alloys, but ferrous metal die castings are possible. The die casting method is especially suited for applications where many small to ...