Paper Title:
Study on the Formability of Square Box Deep Drawing of Tailor Rolling Blanks
  Abstract

As a new lightweight structural sheet metal, tailor rolled blanks has a good prospect in the future development of the automobile industry, and its formability is the current research focus. We use ABAQUS software to analyze the impacts of blank holder force, thickness ratio, die radius, shape and size of sheet metal on the movement of the transition zone and thickness direction strain on the formability of square box of tailor rolled blanks in deep drawing. The results show that, generally, in the punch and side wall corner, where thinning is more serious is a dangerous rupture area, while the inner edge of flange part is prone to wrinkle. When the BHF is 140kN, the connection between the thin side and the transition zone where thinning is severe is also a dangerous area, and even more serious, likewise when the blank thickness ratio arrives at 1.4mm/0.8mm, or the blank size 260mm*260mm, thinning is very serious at the connection between the thin side and the transition zone which is a dangerous rupture area.

  Info
Periodical
Edited by
Long Chen, Yongkang Zhang, Aixing Feng, Zhenying Xu, Boquan Li and Han Shen
Pages
469-473
DOI
10.4028/www.scientific.net/KEM.464.469
Citation
Y. F. Jiang, L. Fang, Z. F. Li, Z. Z. Tang, "Study on the Formability of Square Box Deep Drawing of Tailor Rolling Blanks", Key Engineering Materials, Vol. 464, pp. 469-473, 2011
Online since
January 2011
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$32.00
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