Method for producing forged crankshaft

A production method includes a preforming process, a forming process and a finish forging process. In the preforming process, an intermediate preform is formed from a billet. In the forming process, while each of a plurality of rough journals of the intermediate preform is held and pressed verticall...

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Bibliographische Detailangaben

Hauptverfasser:	Hwang, Samsoo, Okubo, Junichi, Tamura, Kenji, Yoshida, Kunihiro, Hori, Masao, Nakano, Ryusuke
Format:	Patent
Sprache:	eng
Schlagworte:	MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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