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JWJ > Volume 31(4); 2013 > Article
Journal of KWJS 2013 August;31(4) :1-6.
Published online August 31, 2013.
doi:https://doi.org/10.5781/KWJS.2013.31.4.1
Laser Stitch Welding Technology for the Fabrication of Automotive Parts
Sung-Min Joo1, Hee-Seon Bang2, Jun-Ui Han3, Kyoung-Hak Kim3, Byoung-Ho Ahn4
1Research Institute of Industrial Science & Technology, Plant R&D Division, Ulsan 683-420, Korea
2Department. of Naval Architecture & Ocean Engineering, Chosun University, Kwangju 501-759, Korea
3Graduate School of Naval Architecture & Ocean Engineering, Chosun University, Kwangju 501-759, Korea
4Gwang Il Machine, Kwangju 506-301, Korea
Correspondence: Hee-Seon Bang  Email: banghs@chosun.ac.kr
  Published online August 31, 2013
ABSTRACT
Nowadays, the weight lightening of automotive is required as conserving the environment has become a major worldwide issue. To solve this issue, various researches for the use of light materials(Alalloy, Mgalloy)and ultra high strength steel as substitutes of the current structural material have been carried out. Application of laser stitch welding to the assembly of automotive produces improvement in strength, lightening of body, higher fuel efficiency, lower production cost as well as reduction in assemble line due to its fast welding speed, superior accessible and weld quality. This process overcomes the shortcomings of the current resistance spot welding such as high electricity consumption, electrode replacement, and economical, technical limitation in design and production method of automotives.
Keywords: Laser stitch welding | Weight lightening | Weld quality | Automotives
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