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Aluminium extrusion press

Also called: extrusion press, aluminium extrusion machine, hydraulic extrusion press, profile extrusion press

An aluminium extrusion press is a large horizontal hydraulic press that pushes a heated billet through a steel die to make long profiles. Its tonnage and container size decide how large a profile it can make. A full extrusion line also has a billet heater, die oven, puller, cooling table, stretcher, saw and ageing oven.

Quick facts

Type
Horizontal hydraulic press
Tonnage
About 600–3,000 tonnes common; larger for big sections
Billet size
About 4–10 inch diameter
Profile size
Roughly limited by the circle that fits inside the container
Line
Billet heater, die oven, puller, stretcher, saw, ageing oven
Output
Profiles in lengths of about 6 m

Main parts

  • Main hydraulic cylinder and ram
  • Container that holds the hot billet
  • Die and die holder
  • Billet heater and die oven
  • Puller, cooling table, stretcher and finish saw
  • Ageing oven for T5 or T6 temper

Good to know

  • Bigger presses make bigger profiles but need larger minimum orders
  • Die design and die life decide quality and cost
  • Hollow profiles need porthole dies and good press control
  • Most profiles in India are 6063 alloy

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Related

Questions

What press size makes a 100 mm wide profile?
Often a press of about 1,000–1,800 tonnes, depending on the shape and wall thickness; the extruder checks this against their container.
Can one press make any alloy?
Soft alloys like 6063 are easy; harder alloys such as 7075 need more force and slower speeds.
Why are extruded profiles stretched?
Stretching makes them straight and removes twist after cooling.

The figures on this page are typical values for guidance, written by Diemeco from standard engineering practice. They are not a specification: confirm grades and properties with the relevant standard or the supplier's mill test certificate, and tolerances with your workshop. Last checked 29 October 2026.