Engineering Manufacturing

What is extrusion?

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What is extrusion?

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Extrusion is a manufacturing process where a material is pushed through a die of the desired cross-section. This process creates objects with a fixed cross-sectional profile.

Here are some key aspects of extrusion:

  • Material Types: Extrusion can be used with a wide range of materials, including metals, polymers, ceramics, concrete, and food products.
  • Process: The material is typically heated and then forced through a die using a ram or screw.
  • Products: Common products made by extrusion include pipes, tubes, rods, profiles, and sheets.
  • Types of Extrusion:
    • Cold Extrusion: Performed at room temperature to increase the strength of the metal.
    • Hot Extrusion: Performed at high temperatures to keep the material from fracturing and makes it easier to push through the die.

For further reading, consider these resources:

Wrote answer · 3/14/2025
Karma · 140

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