Drawing die group for blank drawing

The utility model discloses a drawing die group for blank drawing. The drawing die group for blank drawing comprises a die, an edge pressing ring and a punch arranged in the edge pressing ring, wherein the die is provided with a die cavity located in the peripheral clamping face, the edge pressing r...

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Bibliographische Detailangaben
Hauptverfasser:	RODRIGUE NARAINEN, SCOTT ALWYN DAWSON, ALEXANDER MAMUTOV, JOHN JOSEPH FRANCIS BONNEN, ANDREW DIVETO, SERGEY FEDOROVICH GOLOVASHCHENKO
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	The utility model discloses a drawing die group for blank drawing. The drawing die group for blank drawing comprises a die, an edge pressing ring and a punch arranged in the edge pressing ring, wherein the die is provided with a die cavity located in the peripheral clamping face, the edge pressing ring selectively clamps a blank by means of the peripheral clamping face, the punch is provided with an antecedent contact portion and at least one delayed contact portion, the antecedent contact portion is connected with the blank, enables the first area of the blank to be drawn into the die cavity and clamps the first area by means of the die, and the delayed contact portion is connected with the blank to draw the second area of the blank when the first area is clamped by means of the die. The drawing die group for blank drawing can achieve deep drawing of a wide panel made of aluminum or high-strength steel under the situation that no crack occurs.