What Is an Aluminium Welding Machine?

Posted on Apr 19, 2021

Aluminium welding machine

An aluminium welding machine is mainly used to weld aluminium workpieces, which are common welding materials. By applying heat to the targeted parts, the aluminium welding machine is able to join the gaps between the workpieces.

Did you ever wonder how technology advances so fast? Did you ever wonder how we come up with all of these brilliant ideas which have translated into something useful? It is clear that humans have so much potential. One instance would be our ability to build tools. Back in the old days, people used to sharpen stones to serve as hunting weapons. As time went by, we invented ploughs to help us do the agricultural work. Useful tools like cars, planes, bridges and all sorts of little components which make up industrial equipment are invented to help us achieve certain goals. There is no denying that the tools have played an important role in establishing our civilization. One of these tools that have allowed us to build a more elaborate infrastructure is the aluminium welding machine


What is aluminium?

Aluminium and steel are two types of metals that are mostly used in industries. However, they have quite different attributes. For example, unlike steels which require 2500 degrees Fahrenheit to melt, aluminium requires only 1221 degrees Fahrenheit to melt it down. On the surface of the aluminium, there is also an oxide layer that serves as a protection for the metals. One interesting fact about aluminium is its ability to increase its strength as the temperature decreases. Such features have allowed aluminium to be used in the applications such as cryogenics and liquid-gas transportation.


The challenge for welding aluminium

There must be challenges regarding the welding of the aluminium, otherwise, people would not bother to invent special equipment such as the aluminium welding machine to aid in the process of welding. The thermal conductivity and the porosity of the aluminium are very different from other types of metals, which make the welding of the aluminium pretty hard. Several chemicals are utilized to aid in the process of welding. For example, people can use gas like helium to deal with the porosity of aluminium. 

:: Read more: Safety Tips for Fuel Tank Welding


Aluminium welding techniques

The aluminium welding machine is a type of welding machine which is specialized in welding aluminium. There are several techniques that a welding machine can perform. Here are some of the example: 


● Stick welding

Stick welding is a type of welding technique that uses an electric current to flow from a gap between the metal and the welding stick. The stick welding technique can work well with most of the alloys or joints. 


● MIG welding

MIG welding is a type of welding technique that utilizes a wire welding electrode on a spool. The electrical current between the base metal and the wire will in turn create an arc. The MIG welding technique is suitable for welding both thin and thick metals. In general, when choosing welding machines, there are several factors to be considered, such as the quality of the weld, the thickness of the metals, the type of the metals, and the source of power. An aluminium welding machine is designed to address the type of metals factor. The aluminium welding machine has the ability to deal with both the chemical and the physical properties of aluminium. 


Other ways to weld aluminium 

Owing to the tricky properties of aluminium, several techniques have been invented to deal with difficulties when welding aluminium. Here are some examples: 


● Resistance welding

Resistance welding, or sometimes referred to as spot welding, is one of the techniques which can be used to weld aluminium. However, the electrical and thermal conductivity of aluminium will still cause some difficulties for the process of welding. 


● Laser beam welding

Laser beam welding is another type of welding technique that is suitable for welding aluminium. However, it is important to keep in mind that the reflectivity of the light from the metal can cause potential problems for the welding process. 


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