Extrusion is the process whereby objects of cross-sectional profile are created. The process involves a series of complex procedures. Aluminium extrusion is therefore, the process of taking aluminium alloys and shaping them into objects with a cross-sectional profile. Being one of the most abundant elements, it makes up about 8% percent of the earth crust. It has numerous properties such as being ductile and malleable, soft and lightweight. It can also be non-magnetic and has a shiny silvery appearance. Its lightweight nature allows it to be cast, drawn, and extruded.
The extrusion process involves a series of steps, therefore, very complex. Designing the shape of a die is the very first step that is undertaken. Upon the creation of a desired shape, an alloy of aluminium having a cylindrical shape is subjected under high temperatures of about 800F to 930F. Once this process is complete, it may then be taken onto a loader. To prevent it from sticking onto the machine, a lubricant is applied.
The next step involves the application of tremendous pressure onto a dummy block. This pressure is responsible for forcing the element into the die. When this element comes into contact with oxygen it tends to form oxides. In order to prevent this, nitrogen either in gaseous or liquid form is passed through sections of a die.
At this stage, the extruded aluminium has the die shape and is passed through a run-table after which it is placed on a cooling table where it is cooled using cooling fans. Once this has been accomplished, it can also be brought to a stretcher for hardening and straightening after which it might be brought under sawing machine where fine cuts are made to produce the length desired.
The final step involves the application of heat. Using heat treatments, the extrusions are brought into age ovens where hardening takes place. Depending on the colors or texture needed, adjustments can be performed here so as to get the desired finish. The process is widely used because this way various shapes and sizes of aluminium can be obtained.
The extrusion industry has continued to see a lot of growth as well as development. It has seen the introduction of new techniques to make the process a lot easier and more efficient. This element has a variety of applications. It might be used in the manufacture of various household items such as cooking utensils, watches among others. It can also be used in making of streetlight poles, walking poles, food, and beverage containers, cases, foils among many other widely used items.
As mentioned above, it is lightweight. In addition to this it can be corrosion resistant and also non-flammable. It is these great features that make it the most appropriate material to be used in various industries such as the aerospace, construction, and transport industries. Its ability to conduct both thermal and electrical energies makes it the perfect material to make superconducting lines.
The metal is durable in addition to having an attractive appearance; this is why it is also widely used in making of communication gadgets such as smartphones among others.
The extrusion process involves a series of steps, therefore, very complex. Designing the shape of a die is the very first step that is undertaken. Upon the creation of a desired shape, an alloy of aluminium having a cylindrical shape is subjected under high temperatures of about 800F to 930F. Once this process is complete, it may then be taken onto a loader. To prevent it from sticking onto the machine, a lubricant is applied.
The next step involves the application of tremendous pressure onto a dummy block. This pressure is responsible for forcing the element into the die. When this element comes into contact with oxygen it tends to form oxides. In order to prevent this, nitrogen either in gaseous or liquid form is passed through sections of a die.
At this stage, the extruded aluminium has the die shape and is passed through a run-table after which it is placed on a cooling table where it is cooled using cooling fans. Once this has been accomplished, it can also be brought to a stretcher for hardening and straightening after which it might be brought under sawing machine where fine cuts are made to produce the length desired.
The final step involves the application of heat. Using heat treatments, the extrusions are brought into age ovens where hardening takes place. Depending on the colors or texture needed, adjustments can be performed here so as to get the desired finish. The process is widely used because this way various shapes and sizes of aluminium can be obtained.
The extrusion industry has continued to see a lot of growth as well as development. It has seen the introduction of new techniques to make the process a lot easier and more efficient. This element has a variety of applications. It might be used in the manufacture of various household items such as cooking utensils, watches among others. It can also be used in making of streetlight poles, walking poles, food, and beverage containers, cases, foils among many other widely used items.
As mentioned above, it is lightweight. In addition to this it can be corrosion resistant and also non-flammable. It is these great features that make it the most appropriate material to be used in various industries such as the aerospace, construction, and transport industries. Its ability to conduct both thermal and electrical energies makes it the perfect material to make superconducting lines.
The metal is durable in addition to having an attractive appearance; this is why it is also widely used in making of communication gadgets such as smartphones among others.
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aluminium extrusion
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