How Aluminium Extrusions Are Constructed?

06.07.15 / aluminum extrusion manufacturers / Author: / Comments Off
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Extrudex Aluminum, A Leader In Aluminum Extrusions,A wide variety of industries make up for a broad customer base. The strategically located production sites serve their respective regional industry needs. Major industries served include industrial, commercial and residential construction, the transportation market, electrical, machinery and equipment and the distribution sector.

The fact that aluminium is very malleable and ductile makes it an important material in construction today. It can be crafted into various shapes and sizes very easily which is why it is widely used in the engineering of aircraft and construction of its domestic parts and materials. The process through which aluminium can be crafted into different shapes is called aluminum extrusions. It is the practice used to make objects of fixed cross-sectional profiles. In this method, the aluminium is forced through a section known as a die that has the shape of a desired cross-section. This process is able to produce aluminium sections that have complex cross-sections and can be used for various purposes. Some extruded aluminiums come with hollow cavities that cannot be produced by using simple flat die. These are manufactured by a special sort of die that is able to create structures with complex cross-sections. The extrusion process can not only be carried out on aluminium metals but also on other metals, ceramics and even food.All kinds of aluminum extrusion manufacturers for you!

To create aluminium extrusions, the aluminium is heated and forced through a die with the aid of a hydraulic ram under high pressure. These extrusions have a lot of advantages that make them ideal to be used for various purposes. Despite being ductile and flexible, aluminium extrusions are very light in weight. The fact that aluminium only weighs 1/3 of that of copper makes it an ideal choice in construction of vehicles.

Some other advantages of using aluminium include:

Resistant to corrosion allows it to be used in buildings and construction that experiences frequent corrosion.
Good electric conductor makes it suitable to use in building power transmission cables.
Great strength makes it ideal for applications where light weight and strength is required.
Cost effective
The process that aluminium extrusions go through can either be hot or cold. In the hot process, the aluminium has to be between 350 to 500 degrees Celsius. The cold process can be done at room temperature. The best quality aluminium extrusions are manufactured at accurate temperature. As when the metal is heated, it becomes softer and easily malleable, and the finishing provides the metal with more durability and strength. Also, manufacturers are able to make extrusions according to the preference of the customers and the applications that they would be used for.

Some products where aluminium extrusions are applied include production of frames, heat sinks and profiles for tracks along with several other applications.

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What is Aluminum Extrusion?

26.05.15 / aluminum extrusion manufacturers / Author: / Comments Off
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Considering its weight and cost, aluminum is an excellent thermal conductor. This makes aluminum well-suited for applications that require key exchanges. As an added benefit, extrusion is a well-suited metal forming process to help reduce shapes that will optimize the thermal conduction properties of aluminum.

Aluminum extrusion is a technique used to transform aluminum alloy into objects with a definitive cross-sectional profile for a wide range of uses. From aluminum extrusion manufacturers the extrusion process makes the most of aluminum鈥檚 unique combination of physical characteristics. Its malleability allows it to be easily machined and cast, and yet aluminum is one third the density and stiffness of steel so the resulting products offer strength and stability, particularly when alloyed with other metals.

The process of aluminum extrusion consists of the following steps:

After designing and creating the shape of the die, a cylindrical billet of aluminum alloy is heated to 800掳F-925掳F.

The aluminum billet is then transferred to a loader, where a lubricant is added to prevent it from sticking to the extrusion machine, the ram or the handle.

Substantial pressure is applied to a dummy block using a ram, which pushes the aluminum billet into the container, forcing it through the die.

To avoid the formation of oxides, nitrogen in liquid or gaseous form is introduced and allowed to flow through the sections of the die. This creates an inert atmosphere and increases the life of the die.

The extruded part passes onto a run-out table as an elongated piece that is now the same shape as the die opening. It is then pulled to the cooling table where fans cool the newly created aluminum extrusion.

When the cooling is completed, the extruded aluminum is moved to a stretcher, for straightening and work hardening.

The hardened extrusions are brought to the saw table and cut according to the required lengths.

The final step is to treat the extrusions with heat in age ovens, which hardens the aluminum by speeding the aging process.

Additional complexities may be applied during this process to further customize the extruded parts. For example, to create hollow sections, pins or piercing mandrels are placed inside the die. After the extrusion process, a variety of options are available to adjust the colour, texture and brightness of the aluminum鈥檚 finish. This may include aluminum anodizing or painting.

Today, aluminum extrusion is used for a wide range of purposes, including components of the International Space Station. These diverse applications are possible due to the advantageous attributes of aluminum, from its particular blend of strength and ductility to its conductivity, its non-magnetic properties and its ability to be recycled repeatedly without loss of integrity. All of these capabilities make aluminum extrusion a viable and adaptable solution for an growing number of manufacturing needs.

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