FRONT AXLE BEAM AND METHOD FOR PRODUCING SAME

The production method disclosed includes a first step, a second step and a third step to be performed in this order. In the first step, a steel material is forged by dies, whereby a forged product including a rough web part (220) and four plate-shaped rough flange parts is produced. In the second st...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ISHIHARA, Koichiro, HWANG, Sam Soo, IMANISHI, Kenji, TAMURA, Kenji, YABUNO, Kunihiro, YOSHIDA, Kunihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AXLES FOR WHEELS OR CASTORS CASTORS FORGE FURNACES FORGING HAMMERING INCREASING WHEEL ADHESION MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING TRANSPORTING VEHICLE SUSPENSION ARRANGEMENTS VEHICLE WHEELS VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The production method disclosed includes a first step, a second step and a third step to be performed in this order. In the first step, a steel material is forged by dies, whereby a forged product including a rough web part (220) and four plate-shaped rough flange parts is produced. In the second step, at least one specified rough flange part, which is at least one of the four rough flange parts, is pressed by a first die, whereby a first bent portion bending outward in an up-down direction VD of the forged product is formed in the specified rough flange part. In the third step, the edge of the first bent portion is pressed by a second die (320) inward in the up-down direction VD, whereby the edge is deformed and a second bent portion (232b) is formed. In the third step, the edge of the specified flange part is deformed while the edge is kept from deforming in a front-rear direction HD.