Die Casting Applications in Aircraft
When manufacturing parts for aircraft, die casting proves to be a highly beneficial and reliable process to create precise metal parts that do not need any tooling or polishing after creation. Parts are produced through machine mounted, shaped molds that clamp together as molten metal is delivered into the cavity to cool. Die casting is the current quickest method for manufacturing accurate metal parts. Components for aircraft that can be manufactured through die casting include motor housings, fuel system components, connectors, engine piston heads, and more.
Within the realm of aviation, die casting can be used to produce parts for airplanes, jets, and helicopters. Typically, aluminum is the most popular metal as it has a high strength to weight ratio and is relatively inexpensive. Aluminum also boasts various properties and capabilities such as strong corrosion resistance and good integrity while molded into complex shapes or thin dimensions.
The most common types of die casting is through the use of hot and cold chambers. With hot chamber die casting, the metal is melted within the casting machine, and with the use of a hydraulic piston, the molten metal is injected into the die. This is usually a quick process and is beneficial for metals that feature a low melting point such as tin, zinc, and lead alloys. Cold chamber die castings, on the other hand, are for metals that have a high melting point and require that the metal is melted separately before being poured into the casting machine. Metals that are used with a cold chamber include aluminum, copper, and magnesium.
Aluminum holds the most desired aircraft die casting properties and is widely popular, altogether accounting for eighty percent of all production. Due to the high numbers of aluminum die castings, cold chamber casting is the most utilized process. Aluminum also proves to be greatly preferred for parts over steel because of its properties. As a result, the market for die casting has seen an upward, continued growth trend over recent years.
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