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By: Kelly Buchanan
Here at bo-mar, we offer a variety of welding techniques–MIG welding, TIG welding, and spot welding. What does that mean exactly? Sure, you could always Google this information, but allow us to save you time.
MIG (Metal Inert Gas) welding is the welding process in which an electric arc forms between a consumable wire electrode and the workpiece metal(s), which heats the workpiece metal(s), causing them to melt and join together. MIG welding requires three things: electricity to produce heat, an electrode to fill the joint, and shielding gas to protect the weld from the air. This is the most common form of welding because of its versatility, speed, and ease (relatively speaking.)
TIG (Tungsten Inert Gas) welding an arc welding process that uses a non-consumable tungsten electrode to produce the weld. TIG welding is generally more advanced than MIG welding because it requires the welder to use both hands–one for the welding torch and the other for the filler metal. While TIG welding is a slower process than other forms of welding, it is mostly used for critical weld joints, welding metals other than common steel (such as titanium), and for small, precise welds.
Spot Welding is a process in which contacting metal surfaces are joined by the heat obtained from resistance to electric current. Workpieces are held together under pressure exerted by electrodes.