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Application of FEM on the study of formation law about rectangle case drawing based on curve face blank-hold

E Daxi

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Abstract

Apply the finite element method(FEM)to simulate the drawing process of rectangle case based on pyramidal face blank-holder which in the region of curve edge of blank flange,and contrast its equivalent strain、major strain、depth of drawing etc.with which use the flat face blank-holder.At last,analysis the force of blank on two different blank-holders,and verified that the blank is difficult to be cracked when the flange based on pyramidal face blank holder in the region of curve edge of blank flange.

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What this paper is about

Apply the finite element method(FEM)to simulate the drawing process of rectangle case based on pyramidal face blank-holder which in the region of curve edge of blank flange,and contrast its equivalent strain、major strain、depth of drawing etc.with which use the flat face blank-holder.At last,analysis the force of blank on two different blank-holders,and verified that the blank is difficult to be cracked when the flange based on pyramidal face blank holder in the region of curve edge of blank flange.

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Available abstract

Apply the finite element method(FEM)to simulate the drawing process of rectangle case based on pyramidal face blank-holder which in the region of curve edge of blank flange,and contrast its equivalent strain、major strain、depth of drawing etc.with which use the flat face blank-holder.At last,analysis the force of blank on two different blank-holders,and verified that the blank is difficult to be cracked when the flange based on pyramidal face blank holder in the region of curve edge of blank flange.

Key concepts: Blank, Flange, Rectangle, Enhanced Data Rates for GSM Evolution, Finite element method, Face (sociological concept), Die (integrated circuit), Geometry

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