Used Mig Welders for Sale — 212

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    MIG Welding Machines

    A MIG Welding Unit

    Metal inert gas (MIG) welding, sometimes called metal active gas (MAG) welding or gas metal arc (GMAW) welding is a process by which metal workpieces are joined using the heat generated by an arc of electricity. MIG welders use a wire electrode to create the arc and a shielding gas to avoid contamination of the work-piece.

    How A MIG Welding Machine Works

    The first MIG Welder was designed in the 40s and used for welding aluminum and other non-ferrous metals. The process was later applied to welding steel but it wasn't until the late 50s and early 60s that it became commonly used welding machine in a wide range of industries. Today MIG welding is the most widely employed industrial welding process due to its rapidity, versatility and relative ease of use. It can also be adapted to robotic automation and is used in automotive, sheet metal tools, in addition to sheet metal machinery and numerous other applications. This widespread popularity means that used MIG welders for sale are soon snapped up. The essential equipment for carrying out MIG welding is a welding gun, power supply, MIG welding wire and a MIG welding gas for shielding the workpiece from contamination. When the operator presses the control switch the electric power, wire feed and flow of shielding gas are activated. An electric arc is formed between the wire electrode and the metal that is being worked on. Keeping a consistent distance between the tip of the electrode and the metal being welded, the operator steadily guides the welding gun at a travel angle along the length of the weld area. With a gas MIG welder the weld area is protected from airborne contaminants by the steady and constant application of gases such as carbon dioxide, helium or argon, or combinations thereof. Additionally, inverter MIG welders now offer high grade, multi process welding capabilities so that one machine can handle a number of welding processes.

    Control System of MIG Welding

    Advantages to be Gained by Purchasing a Used MIG Welder at Auction

    If you are looking for a MIG welder for sale, then you'll be pleased to know that cheap MIG welders are commonly available via used welding equipment auction sites. Here you can browse amidst a wide array of cheap MIG welders for sale to find some real bargains, from small diameter self-shielding gasless MIG welders up to machines capable of handling thick steel plate. You can find the kind of MIG welder that is best for your requirements, as the most important consideration when choosing a MIG welding machine is what you intend to weld with it.

    The Major Manufacturers of MIG Welders

    One of the European leaders in the field of MIG welder manufacturing is CEA, widely regarded as pretty close to the best you can get. They certainly produce the best cheap MIG welder. Another company with a tradition of excellence, who produce just about the best MIG welder, is BUTTERS UK. TECHNICALARC offer a quality range of professional compact and portable MIG welders. Other major manufacturers in the field include MILLER, OXFORD, ARCON, VICTOR, REHM, FRONIUS, ESAB, ARO and LINCOLN ELECTRIC.