Wednesday, May 22, 2013

Aluminium Extrusion Manufacturers and the Processes Followed during Extrusion

By Christopher Devereux


The process of aluminium extrusion followed by aluminium extrusion manufacturers is a specialised process allowing for the forming of aluminium products that have a fixed, cross-sectional profile. With great flexibility, aluminium is a popular choice when it comes to manufacturing intricate and complex shapes. Products, such as decorative ironmongery, car components, exhibition display components, decorative trims and mullions are great examples of what aluminium extrusion suppliers are able to manufacture.

The steps within aluminium extrusion is specialised and complex, involving various processes. Each is vital to the manufacturing of high-quality aluminium products and is undertaken by those who are trained and experienced within the aluminium extrusions industry. These processes include the following:

1. Die Production - The very first step in the aluminium extrusion process involves the manufacturing of the die form. This is crucial to, in the end, ensure the correct shape and size of the extrusion. Once the die has been manufactured, it is installed into the barrel of the hydraulic extrusion machine.

2. The Aluminium billet - The aluminium used in the extrusion process - known as a billet - is first preheated to the correct temperature. After the billet of aluminium has been preheated, aluminium extrusion manufactures move on the the following steps which entails the placing of the billet of aluminium into the chamber of the machine.

3. The Pressing process - This is the final steps of the extrusion process. It is during this step that a hydraulic ram is used to press the preheated aluminium billet through the die form made during the first steps of the process. After the aluminium billet has been pressed through the die form, the press and die is emptied and cleaned.

Though some aluminium types are costly, this process and its specialised steps allows aluminium extrusion manufacturers to produce less waste, allowing not only for long and straight components that would have been hard to produce using other metals, but a cost-effective production process with high-quality results as well.




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