Paper Title:
Influence of Segmented Blank Holder for Rectangular Box Drawing
  Abstract

Blanker holder force (BHF) is one of the important parameters in sheet metal forming process, which is loaded by blanker holder in order to avoid wrinkling. With the development of technology, segmented blanker holder is applied to complicated product forming in order to improve the parts quality. On the basis of analyzing the character of rectangle box forming, the blank holder was divided eight portions, including 2 long straight segments, 2 short straight segments and 4 corners, which each part can separately move. Then the forming simulation of the low carbon steel rectangular box with segmented constant BHF was conducted using orthogonal experiment and considering test conditions. After the results were analyzed according to the thinnest level of the parts, the influence of the segmented blank holder on rectangular box forming was obtained. It indicates that the segmented blank holder has the ability of the local control to sheet metal forming, and can effectively adjust material flow and the strain distribution.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
2495-2498
DOI
10.4028/www.scientific.net/AMR.189-193.2495
Citation
X. N. Li, L.X. Liu, J.P. Wang, C.Y. Jiang, Z.Q. Wang, "Influence of Segmented Blank Holder for Rectangular Box Drawing", Advanced Materials Research, Vols. 189-193, pp. 2495-2498, 2011
Online since
February 2011
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Price
$32.00
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