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Metal extrusion is a manufacturing process that involves forcing a metal billet or preheated metal through a shaped die to produce a continuous profile or cross-sectional shape. Here's a simple explanation:

Billet Preparation:

A metal billet, usually heated to improve plasticity, is prepared for the extrusion process.

Die Design:

A die, which defines the shape of the final product, is designed according to the desired cross-sectional profile.

Extrusion Press:

The heated metal billet is loaded into an extrusion press.

Forcing Through Die:

The press applies significant force to the metal billet, forcing it through the shaped opening of the die.

Continuous Profile:

As the metal passes through the die, it takes on the cross-sectional shape of the die, resulting in a continuous length of the extruded profile.

Cooling:

The extruded metal is typically cooled and may undergo further heat treatment for improved properties.

Cutting:

The extruded metal profile is cut into desired lengths.

Applications:

Extrusion is used to produce various profiles, such as rods, bars, tubes, and complex shapes for applications in construction, automotive, aerospace, and other industries.

Advantages:

Efficient for producing continuous lengths of complex shapes.

Provides a high degree of precision and repeatability.

In simple terms, metal extrusion is a process where a metal billet is forced through a shaped die to produce a continuous profile or cross-sectional shape, widely used in the production of various metal components with intricate designs.

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