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□ Volume No. 2,  2007

 

 

 

 

 

 

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New edition 2009

 

Proceedings of the 16th International Conference on Manufacturing Systems – ICMaS

Published by Editura Academiei Române, ISSN 1842-3183

Volume No. 2,  2007

“Politehnica” University of Bucharest, Machine and Manufacturing Systems Department

Bucharest, Romania, 22 November, 2007

 

pp. 029-032

 

FACTORS AND CAUSES THAT INFLUENCE THE SPRINGBACK INTENSITY IN THE CASE OF DRAW PARTS MADE FROM METAL SHEETS

 

Gheorghe BRABIE, Neculai NANU

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Abstract: Drawing of the sheet metal parts is always accompanied by an undesired phenomenon known as springback.  Springback occurs after the part is set free of the constraints – forming forces, tools – and leads to a shape of the final part different from the nominal ones. The knowledge of the factors that influence this phenomenon is useful for the accurate design of the forming processes and forming tools. The present paper performs an analysis of the factors that influence the springback phenomenon in the case of conical and hemispherical drawn parts made from metal sheets.

 

Key words: springback, drawing processes and tools.

 

Authors:

PhD, Eng. Gheorghe BRABIE, Professor,

University of  Bacau, Industrial Engineering Departament,

E-mail: g-brabie@ub.ro

  

Electronic mail: orgcom@icmas.eu   /   General Information:  http://www.edition2009.icmas.eu/