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Direct Aluminium ExtrusionIn direct extrusion the preheated billet is put in a heated part of the press called the container. Here, the billet is pushed through he die by ram pressure. The direction of the metal flow is in the same direction as the ram travel. During this process, the billet slides relative to the walls of the container, resulting in a necessary increase in ram pressure to overcome the friction between the billet surface and container liner.Not all the aluminium billet is extruded. A percentage of the compressed billet, called the discard or butt is left at the end of the extrusion cycle. This is ejected from the press during its dead cycle operation, and ‘recycled’ at a later time. The extruded profile is then transferred on to the press’s handling system for further process.For more information on Direct Aluminium Extrusion please contact us.
For more information on Direct Aluminium Extrusion talk to Capital Aluminium Extrusions Ltd (Capalex)
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