Die Casting
Die casting is a
manufacturing process that can produce geometrically complex metal parts
through the use of reusable molds, called dies. The die casting process
involves the use of a furnace, metal, die casting machine, and die. The metal, typically
a non-ferrous alloy such as aluminum or zinc, is melted in the furnace and then
injected into the dies in the die casting machine. There are two main types of
die casting machines - hot chamber machines (used for alloys with low melting
temperatures, such as zinc) and cold chamber machines (used for alloys with
high melting temperatures, such as aluminum). The differences between these
machines will be detailed in the sections on equipment and tooling. However, in
both machines, after the molten metal is injected into the dies, it rapidly
cools and solidifies into the final part, called the casting. The steps in this
process are described in greater detail in the next section.
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