10 Facts About Arc welding


Arc welding is a welding process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals, when cool, result in a binding of the metals.

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Flux-cored arc welding is a variation of the GMAW technique.

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Many common welding procedures involve an open electric arc or flame, the risk of burns from heat and sparks is significant.

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The use of compressed gases and flames in many Arc welding processes pose an explosion and fire risk; some common precautions include limiting the amount of oxygen in the air and keeping combustible materials away from the workplace.

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Processes like flux-cored arc welding and shielded metal arc welding produce smoke containing particles of various types of oxides.

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The return clamp of the Arc welding machine is located near to the work area, to reduce the risk of stray current traveling a long way to create heating hazards or electric shock exposure, or to cause damage to sensitive electronic devices.

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Arc welding was first developed when Nikolai Benardos presented arc welding of metals using a carbon electrode at the International Exposition of Electricity, Paris in 1881, which was patented together with Stanislaw Olszewski in 1887.

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Arc welding was first applied to aircraft during the war as well, and some German airplane fuselages were constructed using this process.

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Gas tungsten arc welding, after decades of development, was finally perfected in 1941 and gas metal arc welding followed in 1948, allowing for fast welding of non-ferrous materials but requiring expensive shielding gases.

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In 1957, the flux-cored arc welding process debuted in which the self-shielded wire electrode could be used with automatic equipment, resulting in greatly increased welding speeds.

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