Paper Title:
Research on Fine Blanking Process with Stepped-Edge Punch
  Abstract

The fine blanking process with a stepped-edge punch was researched by finite element method (FEM) and experiment investigation. Finite element analysis showed that the hydrostatic stress of the blank around the edges changes a little during fine blanking process using a stepped-edge punch with negative clearance. The burnish zone of sheared surface increases with the increase of the relative negative clearance. The reasonable forming parameters were presented by a lot of experiment investigations. Parts of three kinds of materials, Q235 steel, copper and industrial aluminum, were formed using fine blanking process with a stepped-edge punch. Full burnish zone were obsearved for all the parts.

  Info
Periodical
Edited by
Kai Cheng, Yongxian Liu, Xipeng Xu and Hualong Xie
Pages
495-499
DOI
10.4028/www.scientific.net/AMM.16-19.495
Citation
S. J. Qin, L. Yang, J. G. Peng, "Research on Fine Blanking Process with Stepped-Edge Punch", Applied Mechanics and Materials, Vols. 16-19, pp. 495-499, 2009
Online since
October 2009
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