Welding is literally building a new world. The world would not be the way it is today if it was not for welding. As you look around, almost everything you see may have been welded. Welding has changed our world in numerous ways over the last hundred years, and continues to do so with the new advances and groundbreaking ways to weld.
Welding is an art, science, and high paying career all in one. Welding is the most effective way to join two pieces of metal, it is the only way to join them so they act as one. Numerous things in our daily lives has been welded from coffeepots to skyscrapers. Welding can be done almost anywhere outdoors, indoors, underwater, and even space (“Welding Basics”). It is practically unlimited. Machinery manufacturers do the most welding and are pretty much located all over the world. Therefore it is very easy to move locations (Science of Modern Welding”). Welding is pretty much rebuilding the world, from extending subways, building bridges, and helping to improve the environment by building pollution control devices. Over fifty percent of the gross national products are related to welding. It is ranked very high in industrial processes. The men that run the welders are employed in metal industries that include steel mills, iron and steel foundries, smelting and refining plants. The types of welding that are taught in technical and industrial schools can be used building a ship to a nuclear power plant (“Welding Basics”).
GMAW or Gas Metal Arc Welding is more commonly called Mig or wire feed welding. It’s also the most commonly used type of welding for industries or home use. GMAW is very suitable for stainless steel, mild steel and aluminum. A wire electrode a...
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...nt story. Stick welding is a lot easier if the pieces that are being welded are clear of rust, oil, water, and paint. There is a lot of different things to make a stick welder work properly. First of all every welder needs to be grounded to let the current pass through. As for Arc Welding, electricity passes from the welder through the rod and arcs at the point of contact creating a temperature of 7,000 degrees. As for the rods, there are many different sizes and styles. The rod begins to melt and the coating around the rod creates a shield to help prevent any oxygen to get in the weld. Stick welders have a slag that needs to be chipped off. Styles 7018, 7024, and 6013 have mild penetration and nice clean welds. Whereas, styles 6010 and 6011 have deep penetration and works well on dirtier material but do not provide a very clean weld (“Welcome to welding”).
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