A Step-by-Step Guide to the Process of aluminium extrusions Including an Explanation of the Different

Step 1: Prepare Extrusion DieThe first thing that needs to be completed is the machining of a die that has the shape of a circle

Step 1: Prepare Extrusion Die


The first thing that needs to be completed is the machining of a die that has the shape of a circle. On the other hand, you have the alternative choice of making use of one that is already at your disposal. It is important to bring the die up to a temperature of between 450 and 500 degrees Celsius before beginning the process of extrusion. This eliminates any possibility of an uneven flow of metal and extends the die's life to its maximum capacity, both of which are important considerations. You will then be able to move on to the next step, which is loading the die into the extrusion press, after the step of preheating has been completed.


Step 2: Preheat Aluminum Billet


- When you have a long log of the material, the next step is to cut a billet, which is a thick block of aluminum alloy in the shape of a cylinder

- This is done after you have obtained an elongated log of the material

- After that, preheat it in an oven to a temperature of between 204 and 260 degrees Fahrenheit (100 and 100 degrees Celsius)

- The billet is now malleable enough for the operation to be carried out as a result of the process that was just described

- On top of this, it ensures that it is not molten in any way

Step three involves transporting the Billet to the location of the Extrusion Press.

- After the billet has been preheated, it needs to be moved into the press using some kind of mechanical device

- Nevertheless, before loading it into the press, you need to make sure that a lubricant has been added to it first

- Only then can you proceed with loading the press

- In addition to this, the release agent needs to be applied to the ram that is used for extrusion

- After going through this process, the ram and the billet will no longer cling to one another

In the fourth step, the billet material is loaded into the container of the extrusion press.

At this stage in the process, the malleable billet has been loaded into the extrusion press. In this particular location, the hydraulic ram has the capability of applying a force equivalent to approximately 15,000 tons of pressure. The malleable billet is crammed into the container as a result of the pressure. After that, the aluminum materials expand, finally reaching every nook and cranny of the container's walls.

In Step 5, the material that has been extruded will be pressed up against the die.

The aluminum material that is currently being added to the wall of the container is being forced through an extrusion die, which results in the material being subjected to pressure. At this point, the material is subjected to continuous applications of pressure in order to achieve the desired shape. As a consequence of this, the only route it could possibly take would be through the openings in the die. Once it has passed through all of the openings in the die, it can be considered finished in its entirety.

Putting an end to the extrusions is the sixth step in the process.

After it has come to the surface, the extrusion is being held in position by a puller at this point. The puller makes certain that it is protected as it emerges from the press at the same time. As the alloy profile travels along the table, it is subjected to a fan or a water bath that maintains a temperature that is constant throughout the process. This method is referred to as "quenching," by the way.

Step 7 involves cutting the extrusions to the length specified by the table.

Cut the extrusion with a hot saw as soon as it reaches the maximum length that the table is able to accommodate for it once it has reached that point. Temperature is a factor that plays an extremely significant role throughout the entirety of the extrusion process. The extrusion, despite being quenched after being released from the press, has not yet completely cooled down to room temperature.

The aluminium profiles are brought down to room temperature as the eighth step in the process.

Following the conclusion of the shearing procedure, the extrusions are transferred from the runout table to a cooling plain so that they can complete the cooling process. The profiles are kept in that location until such time as they have returned to the temperature of room air. After they have cooled down to the temperature of room temperature, the process of stretching will start.

After moving the aluminium coil supplier to the stretcher, the next step is to stretch them so that they are aligned properly. This brings us to the end of step 9.

At this point, you will notice that the shapes have some twists in them, and you will need to correct these twists before moving on. In order to make this adjustment, you are going to need to use a stretcher. Keeping a firm mechanical grip on both of the ends of each profile, pull it until it is completely straight, making sure to keep your grip firm. Through going through this process, they are brought up to specification.

After transferring the extrusions to the finish saw, cut each one to the desired length. Step 10

Now that the aluminium extrusions are straight and have been work-hardened as a result of the extrusion process, you can move them from their current location to a saw table. At this point, you are in a position to cut them into the lengths that you want, which are typically anywhere between 8 and 21 feet in length. When you are finished sawing the materials, you can put them in an oven to age until they reach the appropriate temperature (T5 or T6). Once they have reached the appropriate temperature, you can remove them.

Step 11 entails carrying out any secondary operations that may be required, such as heat treatment, fabrication, and surface finishing.

After the extrusion process is complete, the profiles can then be heated and treated in order to improve the properties they possess. The process of fabrication should come after the heat treatment as the next step afterward if there is a need to correct their dimensions. Not only would the application of a surface finish help to improve their appearance, but it would also help to improve the properties that inhibit corrosion.

Aluminum can be extruded into a variety of shapes, so what kinds of shapes can it make?

various extruded aluminum shapes

The following is a list of the four primary categories of extruded shapes that are available:

1. Solid. Examples of shapes that are completely enclosed include beams, angles, and rods. These shapes do not have any openings or voids in their construction.

2. the absence of somethingThey are made up of tubes that are either square or rectangular in shape, and they have one or more openings or voids in their construction.

3. Containing some voidsThey have spaces that are only partially enclosed, like a channel in the shape of a C with a little space in between the two sides.

4. Custom-made  of aluminum in a variety of shapesThis kind of extrusion can frequently be found in the shapes that fall under this category. One of the other possibilities is that they could take the form of shapes that interlock with one another and feature a variety of color profiles. When creating these shapes, aluminium manufacturer is common practice to adhere to the guidelines that were established by the designers.

Are you interested in having parts made of extruded metal in a shape that you specify to be manufactured specifically for you? Give RapidDirect the opportunity to take care of the sourcing process on your behalf. There is no other place on the planet where you will find aluminum extrusion processes that are superior to those that we have available. Our highly specialized custom manufacturing services, which are of the highest possible quality, are made possible by the combined efforts of a knowledgeable engineering team and innovative manufacturing technology.

In addition to that, we are able to provide you with a selection of surface finishing options for the products that we have completed for you. Whatever course of action you decide to take, you can be sure that we will carry out our promise to deliver. In addition, we make it a point to test every stage of production on a consistent basis so that we can guarantee that you will always get the very best. Now is the time to upload the file of your design in order to receive an instant estimate of costs. 

Bøkeid Rune

3 Blog posts