TIG,Welding,Information,and,th technology TIG Welding Information and the Process of TIG Welding
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The acronym TIG stands for Tungsten Inert Gas Arc Weldingand the acronym GTAW stands for Gas Tungsten Arc Welding this is the sameprocess but it is referred to by these two different names. In the situation you will be welding using an electric arcthat generates the heat. You then have a tungsten non-consumable electrode thatthen produces the weld you are attempting to make. One of the things that have to happen in this type ofwelding is that the particular metal that you are welding has to be shieldedfrom contamination in the atmosphere or you will get a poor weld. Because ofthis, the area is shielded using an inert gas like argon; this is used with afiller metal where necessary. This type of welding needs constant current to flow acrossthe arc using an ionized gas called plasma. Plasma also has metal vapourswithin it. You will usually use GTAW if you have to weld thin metals like stainlesssteel, aluminium, magnesium or copper allows. GTAW also gives the person who isoperating the welding process more control of the weld. What this means to the weld is that it is a stronger weldand has a higher quality than many other types of welding. Many experts saythat it is harder to learn, is complex and can be slower than other weldingtechniques. Some welders like using a different kind of torch to produceplasma arc welding which is very much like this one but a little different.This type of welding will give a more focused welding arc, but usually this isdone through automation. How It OperatesThe reason this welding process is the most complicated ordifficult to master is because the welder has to use a smaller arc length; theyhave to be able to have a very steady hand. If they aren't able to keep adistance between the electrode and the piece they are working on, the piece canbecome contaminated and there can be problems with the weld. This is also a two handed process because you have to beable to hold the torch in one hand and feed a filler metal into the space thatyou are welding. You can see that this is a very intricate process and one thatrequires high skill. There are a few types of welding that will not require thistype of weld and the individual will not have to use filler material thesetypes include: edge, corner and butt joints. These types of welds are called autogenous or fusion welds (Source: Wikipedia). A welder who is highly skilled in this process is able toalternate between using the torch and then using the filler material in apretty fast way. As they do this thefiller rod can be taken out as the electrode moves forward, and it doesn't haveto be taken out of the gas shied. This is a highly developed process for thosewho can do it well. GTAW can operate usingseveral different currents: positive direct current, negative direct current oralternating current. This will all depend on how they set up the power supplyin the beginning.
TIG,Welding,Information,and,th