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Arc Welding Machines
Manual Metal Arc (MMA) welding, also known as Shielded Metal Arc Welding (SMAW), Flux Shielded Arc Welding or informally as stick welding is a manual arc welding process that uses a consumable electrode coated in flux to lay the weld. An electrode current in the form of either AC or DC from a welding power supply, is used to form an electric arc between the electrode and the metals to be joined.
TIG Welding Machine
Tungsten Inert Gas (TIG) welding, also known as Gas Tungsten Arc Welding (GTAW), is an arc welding process that uses a non-consumable tungsten electrode to produce the weld. The weld area is protected from atmospheric contamination by a shielding gas (usually an inert gas such as argon), and a filler is normally used. A constant-current welding power supply produces energy which is conducted across the arc through a column of highly ionized gas and metal vapors known as a plasma.
MIG Welding Machine
Metal Inert Gas (MIG) welding or Metal Active Gas (MAG) welding, also known as Gas Metal Arc Welding (GMAW) is a semi-automatic or automatic arc welding process in which a continuos and consumable wire electrode and a shielding gas are fed through a welding gun. A constant voltage, DC power source is most commonly used with MIG/MAG, but constant current systems, as well as AC, can be used.
Plasma Cutting is a process that is used to cut steel and other metals of different thickness (or sometimes other materials) using a plasma torch. In this process, an inert gas (in some units, compressed air ) is blown at high speed out of nozzle; at the same time an electrical arc is formed through that gas from the nozzle to the surface being cut, turning some of the gas to plasma. The plasma is sufficiently hot to melt the metal being cut and moves sufficiently fast to blow molten metal away from the cut.
Submerged arc welding (SAW) is a common arc welding process. Originally developed by the Linde - Union Carbide Company. It requires a continuously fed consumable solid or tubular (flux cored) electrode. The molten weld and the arc, zone are protected from atmospheric contamination by being “submerged” under a blanket of granular fusible flux consisting of lime, silica, manganese oxide, calcium fluoride, and other compounds.
When molten, the flux becomes conductive, and provides a current path between the electrode and the workpiece. This thick layer of flux completely covers the molten metal thus preventing spatter and sparks as well as suppressing the intense ultraviolet radiation and fumes that are a part of the shielded metal arc welding (SMAW) process.
Accessories & Spare Parts
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