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Numerical study of the effects of processing parameters in the high-speed blanking in the connectic field

: Husson, C.; Ahzi, S.; Daridon, L.; Poizat, C.

Boudeau, N. ; International Deep Drawing Research Group -IDDRG-:
24th International Deep-Drawing Research Group conference, IDDRG 2005. Proceedings : June 20 - 22, 2005, Besançon, France
Besancon, 2005
International Deep Drawing Research Group (IDDRG Conference) <24, 2005, Besancon>
Conference Paper
Fraunhofer IWM ()
blanking; thin sheet; experimental

To optimize the blanking process of thin copper sheets, it is necessary to study the influence of the radial clearance as well as the wear of the punch and the die. Finite Element simulations, using ABAQUS/Explicit, of the blanking process are conducted and the results are compared to the experimental investigations. The predicted cut edge of the blanked part and the punch-force displacement curves are discussed as function of the process parameters. The evolution of the shape errors according to the radial clearance, the punch and the die wear, and the contact punch/die/blank-holder are presented.