Basic Information About A MIG Welder In today’s time, the most used type of welder is the MIG welder. It is this type of welding that uses the process known as the GMAW or the gas metal arc welding. It is by feeding a wire which acts as the electrode to the welding gun that makes the welder works. It is also here that there is a use of the continuous flow of inert gases. While the weld cool it is the gases that protect it. A gas known as carbon dioxide is what is used for general welding. It is this gas that is used usually because it is cheap and it also gives you a good weld. You will have a cleaner weld the moment that you will mix argon gas and it also will create less spatter. It is when you are welding aluminum that it is a must that you will be using pure argon gas. Compared to all the other welding process, it is the GMAW that has many benefits. It is by using the welding gun that you can position the electrode properly without accidentally hitting any arc. The moment that you have positioned the gun at the exact spot, then you can now pull the trigger.
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You will have seams that are smooth and clean because of the insert shielding gases. It is this one that you will not be needing to chip off any slag. The moment that you will be working with sheet and thin metals, then a MIG welder is also good for that. The reason for this is that you can weld in lower amperage. It is also the MIG welder that uses DC to strike the welding arc. You will not be having a steady arc the moment that you will use AC. The moment that you will be using a MIG welder, then it is possible to adjust the voltage, amperage, and speed. There is also a valve control for the flow of the gas which means that the tensioner on the welding wire can also be adjusted. Without using any gas, it is also possible to use a MIG welder. A flux cored arc welding or FCAW is what this process is called. A hollow core that is filled with flux is what is being used in this one. It is also the FCAW that can be done outside since there is no shielding gas that will be blown away. Since the flux core wire is much hotter, you can use it when working with thicker metals. Similar to the ordinary welder, there are slags that you need to be removing in a FCAW. It is also this process that can also be used to weld thinner and light sheet metals.