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Understanding How A MIG Welder Works In today’s time, the most used type of welder is the MIG welder. A process known as the GMAW or the gas metal arc welding is what this type of welder uses. The electrode which is the wire is fed into the welding gun. It is also here that there is a use of the continuous flow of inert gases. It is this one that the weld is protected while it cools. It is the carbon dioxide gas that is commonly used for general welding. Creating a good weld can be done with this gas and it is also very cheap. Argon can also be mixed so that the arc will have less spatter which can give you a cleaner weld. It is the pure argon gas that you should use the moment that you will weld aluminum. Compared to all the other welding process, it is the GMAW that has many benefits. This is because the welding gun is much better as you can position without striking any arc. It is pulling the trigger that you have to do the moment ta you have the gun positioned at the exact spot.
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You will have seams that are smooth and clean because of the insert shielding gases. You will no longer be chipping 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 a MIG welder that also use DC in order to strike the arc. It is when you will use AC that you will not be having a steady arc. The moment that you will be using a MIG welder, then it is possible to adjust the voltage, amperage, and speed. It is also possible to adjust the tensioner on the welding wire as it also has a valve to control the flow of gas. Without using any gas, it is also possible to use a MIG welder. When you do this, then you are doing a process known as the FCAW or flux cored arc welding. 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. It is by using the flux core wire that is more hotter which is why it is also great for thick metals. Similar to the ordinary welder, there are slags that you need to be removing in a FCAW. Thinner and light sheet metals can also be weld by an FCAW.