Different Materials Used in Die Casting
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Aluminum Diecasting
The material is one of the aspects that differentiate casting processes. Products manufactured from aluminum diecasting have specific properties that make them preferable in a myriad of applications. The low density and lightweight nature of the metal not only makes it easy to cast but also cater to industries where weight is of great importance such as in computing and networking infrastructure. Die castings of aluminum have superior durability, which adds to their excellent electrical conductivity. The finishing on aluminum diecasting is perfect, which is a huge factor when manufacturing products for decorative purposes.Pressure Diecasting
Vacuum pressure casting is an economical solution in the manufacture of detailed metal components and is very effective in removing bubbles from products. Air and gas can get trapped inside metal parts when being forced into a die, causing porosity, which can lead to rejection of the products. In the process, the mold is placed above the molten metal bath while the cylinder chamber forms a vacuum that forces she liquefied metal into the cavity. However, the creation of a vacuum depends on the particular die casting method in use.Gravity Diecasting
The method is primarily utilized on non-ferrous alloy components such as zinc, aluminum and copper. Instead of relying on pressure to force the molten metal into the die cavities, this technique takes advantage of gravity. The liquefied metal is allowed to enter the die from the lower part, consequently creating a “down sprue”, which reduces turbulence and prevents porosity. Products manufactured using gravity diecasting have excellent dimensional accuracy, in addition to very smooth surfaces. Compared to sand casting, the process makes it possible to get very thin walls on metal parts.Structural applications require die casting processes that are more sophisticated. The process is a major contributor to the automotive industry and provides numerous aluminum components from doors to brackets. Aluminum is utilized in structural diecasting when there is a need to replace heavy parts with lightweight materials such as in the suspension system. In applications that require thick-walled surfaces, structural die casting of aluminum is the perfect solution. The process also results in products of a superior performance, not to mention the precise designs allow automation without problems.
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