The different from Aluminium Casting Processes

There are many types of Aluminium Casting Processes in the industry. Below are some types of casting processes used in the industry.

1. Sand Casting: Sand casting is a popular casting technique. It entails making a mold out of a sand and binder material mixture. The molten metal is then poured into the mold, and when it gets solidify the acquired required shape as per the mold is taken. Sand casting is suitable for producing large, complex, and heavy parts with relatively low tooling costs.
2. Permanent Mold Casting: Permanent mold casting, also known as gravity die casting, uses reusable molds made of steel or other materials. It is used for producing parts with complex shapes and fine details, such as aerospace components, automotive parts, and electrical enclosures.
3. Die Casting: Die casting is a method of high-pressure casting that makes use of reusable steel molds. High pressure is used to inject molten aluminum into the die cavity. Die casting provides excellent dimensional accuracy, high production rates, and good surface finishes.
4. Investment Casting: Investment casting, commonly referred to as lost-wax casting, is making a wax model of the required part. The wax is melted off, leaving a void, and the pattern is then covered in a ceramic shell. Molten aluminum is then poured into the cavity, and the ceramic shell is broken away after solidification. Investment casting offers high accuracy, intricate detail reproduction, and excellent surface finish. It is commonly used for producing small to medium-sized parts with complex shapes, such as jewelry, dental implants, and turbine blades.
5. Squeeze Casting: A combination of casting and forging techniques is called squeeze casting. It involves injecting molten aluminum into a preheated die cavity under high pressure, followed by applying a controlled squeeze force while the metal solidifies. Squeeze casting produces parts with improved mechanical properties, reduced porosity, and enhanced dimensional accuracy.
6. Centrifugal Casting: Using centrifugal force, centrifugal casting distributes molten aluminum uniformly inside a rotating mold. This process is particularly useful for producing cylindrical or tubular parts, such as pipes, cylinders, and rings. Centrifugal casting offers good material density and improved mechanical properties due to the centrifugal force aiding in the removal of impurities. 

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