Stamping analyses and die design of laser welded automotive body

Computer simulations and test trials are carried out to get the optimal conditions of the design for the stamping of the laser tailor welded automotive body panels. Through test trials with new manufactured die for Tailor Welded Blanks (TWB), the effects of the initial position of blank, blank holdi...

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Bibliographic Details
Published in:Metals and materials (Seoul, Korea) Korea), 1998-01, Vol.4 (4), p.871-877
Main Authors: Kim, Heon Young, Shin, Yong Seung, Kim, Koan Hoi, Cho, Won Seok
Format: Article
Language:English
Subjects:
Automotive bodies
Dies
Laser beam welding
Stamping
Tailored blanks
Weld lines
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Summary:Computer simulations and test trials are carried out to get the optimal conditions of the design for the stamping of the laser tailor welded automotive body panels. Through test trials with new manufactured die for Tailor Welded Blanks (TWB), the effects of the initial position of blank, blank holding force, drawbead shape, and corner radius are investigated. The results of computer simulations show good correspondence with those of test trials. The results are directly applied to the modification of the die or changing of the forming conditions, to obtain well controlled sound product free from fracture, wrinkling or excessive weld line movement.
ISSN:1225-9438
1598-9623
2005-4149
DOI:10.1007/BF03026415