Paper Title:
Principle and Simulation Study on Multi Point-Single Point Incremental Combined Forming for Sheet Metal
  Abstract

Based on Multi-Point (MP) forming technology and Single-Point Incremental (SPI) forming technology, MP-SPI combined forming method for sheet metal is proposed, the principle and two different forming techniques are illustrated firstly. Then the paper is focused on numerical analysis for the novel forming technique with explicit Finite Element (FE) algorithm. During simulation of spherical work-piece, dimpling occurs as a main forming defect in MP-SPI combined forming process. Simulation results show that the dimpling defect can be suppressed effectively by using elastic cushion. An appropriate thickness of elastic cushion is necessary to prevent dimpling. And also the deformation of the work-piece is sensitive to the shape of elastic cushion. The combined forming test shows that the numerical simulation result is closed to the experimental result.

  Info
Periodical
Materials Science Forum (Volumes 626-627)
Edited by
Dongming Guo, Jun Wang, Zhenyuan Jia, Renke Kang, Hang Gao, and Xuyue Wang
Pages
273-278
DOI
10.4028/www.scientific.net/MSF.626-627.273
Citation
X.J. Li, M. Z. Li, C.G. Liu, Z. Y. Cai, "Principle and Simulation Study on Multi Point-Single Point Incremental Combined Forming for Sheet Metal", Materials Science Forum, Vols. 626-627, pp. 273-278, 2009
Online since
August 2009
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Price
$32.00
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