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JWJ > Volume 31(1); 2013 > Article
Journal of KWJS 2013 February;31(1) :33-37.
Published online June 4, 2013.
Technologies for Robotized Welding of Big Aluminium Structures with Tolerances for High Speed Trains
Sang Chul Lee
igm Robotic Systems Korea Co., Ltd.
Correspondence:   Published online June 4, 2013
Robotized MIG welding of large aluminium components for high speed trains is state-of-the-art. The implementation of online laser cameras enables seam tracking and adoptive modification of welding parameters. A constant fill is achieved regardless of the gap tolerances. Friction Stir Welding has been introduced to the market as a reliable and fast joining technology. The advantages of high welding speeds and the elimination of arc light, fumes and liquefaction in the welding spot lead to economical realisation of heavy-duty gantry systems. FSW robots offer a high flexibility with regard to welding of curved parts, and can be equipped with laser cameras for exact joint tracking.
Keywords: Aluminum alloys | Metal inert gas welding | Friction stir welding
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