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Die Casting vs Extrusion vs Metal Forging

In modern industry, die casting, extrusion and Metal forging are all very common manufacturing processes. Different products and components, require different processes to be used , To meet the requirements and function of the product, each process has its own unique methods, advantages and disadvantages, how does each method work specifically? Which process is the best choice for manufacturing parts? Let’s dive in today. Keep reading.

Die Casting vs Extrusion vs Metal Forging

Die Casting

Die casting is a kind of casting, most commonly have aluminum alloy die casting, zinc alloy die casting, magnesium alloy die casting, it refers to the alloy Ingot heated to molten state, been Injected by external force with high speed and high pressure into Pre-shaped die casting die. after shaping, cooling, get the casting parts, This process is very commonly used in industry, automobile, medical and so on. there has three main elements factors, they are die-casting machine, die-casting material and die-casting mold.

Advantage of Die CastingDisadvantage of Die Casting
Can manufacture metal parts with complex shapes and thin walls and deep cavitiesCasting Parts often have shrinkage porosity therefore, the die castings parts can not be heat treatment
High dimensional accuracy of die castingDie casting machine and die casting mold are expensive and not suitable for small batch production
High material utilizationThe variety of die-casting alloys is limited, currently mainly used for die-casting zinc alloy, aluminum alloy, magnesium alloy and copper alloy.
High production efficiency, suitable for mass productionMore die casting processes and larger site requirements
Advantages and Disadvantages of die casting

Extrusion

Extrusion is also used in a wide range of applications, such as doors and windows, decorative items, construction products, electronics industry, aviation and aerospace industry, etc. Extrusion is divided into two types: hot extrusion and cold extrusion.

Hot extrusion is a plastic processing method in which Bullet Pillar is heated until it softens and is pushed by an external push rod into a prefabricated die, forcing the aluminum billet to produce directional plastic deformation and extrude from the die hole of the extrusion die to obtain parts or semi-finished products with the required cross-sectional shape and size and certain mechanical properties.

Cold extrusion is to put the metal blank in the cold extrusion die cavity, at room temperature, through the press on the fixed convex die pressure to the blank, so that the metal blank plastic deformation and parts of the processing method.

Die Casting vs Extrusion vs Metal Forging
Extrusion

Metal Forging

It is a processing method that uses forging machinery to apply pressure to metal billets to produce plastic deformation to obtain forgings with certain mechanical properties, certain shapes and sizes, one of the two major components of forging (forging and stamping).

Advantage of Metal ForgingDisadvantage of Metal Forging
The mechanical properties of forgings are generally better than those of castings with same materialIn the forging production, the traumatic accidents that are prone to occur
Machinery, high load, severe working conditions of the important parts, more use forgings
Metal Forging

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