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1. Features and applications of the MIG/MAG process
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Description
The semi-automatic process is an electric arc welding technique
. Called MIG/MAG (Metal Inert Gas/Metal Active Gas) or GMAW (Gas Metal Arc Welding) in English-speaking countries, its principle is based on the use of a fusible electrode. The electric arc generating the heat required for welding is established between the workpiece (anode) and the filler metal wire (cathode) fed by the torch. The wire unwinds continuously in the arc, and settles in a liquid state on the workpiece. MIG uses an inert shielding gas (argon, helium or a mixture of the two). This protective gas may contain so-called active gases (mainly CO 2 , O 2 , H ...[B 7 730]
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Features and applications of the MIG/MAG process
Bibliography
Websites
Afnor (Association française de normalisation) website http://www.afnor.org
INRS (Institut national de recherche et de sécurité) website http://www.inrs.fr
Standards and norms
- Source de courant pour soudage manuel à l'arc à service limité - NF EN 50060/A1 - 03-95
- Arc welding equipment – Part 1: welding power sources - NF EN 60974-1 - 11-12
- Arc welding equipment – Part 6: limited-service equipment - NF EN 60974-6 - 05-11
- Welding consumables – General product standard for filler metals and fluxes for fusion welding of metallic materials - NF EN 13479 - 09-05
- Welding...
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