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Improvement of Tailored Blank Stamping by using a Control and Localisation of the Blank-Holder
paris98/f98t639

Authors

D.Ninforge - Cockerill Sambre
J.Dawance - Cockerill Sambre Tailored Blanks

Abstract

Tailored welded blanks are increasingly being used in the motor vehicle sector, the purpose of these blanks being to reduce weight and production costs by means of a reduction in the number of parts to be assembled. The stamping of welded blanks gives new freedom in the optimization of the final geometry while raising a series of difficulties. Over the past few years, the Research and Development Centre of the Cockerill Sambre Group has developed a patented tool allowing very great stamping flexibility: the regulated blank-holder with localised force control. This blank holder offers thus a response to all specific tailored blanks problems.

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