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International Journal of Forming Processes
1292-7775
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 ARTICLE VOL 4/3-4 - 2001  - pp.319-333  - doi:10.3166/ijfp.4.319-333
TITLE
Experimental and Numerical Analysis of Blanking for Thin Sheet Metal Parts

ABSTRACT

The present paper proposes an experimental and numerical study of the blanking process for sheet metal parts with thickness 0.2 mm. Firstly, an experimental blanking apparatus is described. The measurement of the load-penetration curve for the punch is achieved. Theses curves are analysed by comparison with the cut edge geometry. The displacement field through the thickness is examined in situ using a CCD camera. The three main phases of blanking are clearly observed, the elastic phase, the shear phase and the fracture phase. The Secondly, the strategy adopted for the simulation is presented. The numerical simulation of the blanking process is realised using the FEM code POLYFORM developed in our laboratory.

AUTEUR(S)
Vincent LEMIALE, Philippe PICART, Sébastien MEUNIER

Reçu le 16 juillet 2001.   

KEYWORDS
Blanking, Experiments, Damage, Fracture.

LANGUE DE L'ARTICLE
Anglais

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