2006•Suxing gongcheng xuebaoRequires access

Study on calculation of black holder force in deep-drawing rectangle

Yuqing Shi, Lingfeng Li

Abstract

Blank holder force is one of the important parameters in deep drawing process of sheet metal,appropriate control of it can eliminate such defects as wrinkling and fracture.Blank-holder force of multi-point black holder are used in deep-drawing process to in crease the drawn depth and improve the quality of drawn piece.Calculation variable curve of blank holder force changing with die high for multi-point blank holding on rectangle products is introduced in this paper,the gist to realize control of variable blank holder force is providing.

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Key concepts: Blank, Rectangle, Deep drawing, Sheet metal, Point (geometry), Process (computing), Mechanical engineering, Materials science