JPS6219931B

A method of forging a crank shaft at least including: a first step of forming a pair of fitting grooves in an outer periphery of a crank throw portion of a billet at an axially central portion of the billet, said grooves extending perpendicular to an axis of the crank throw portion as well as to a d...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ASAKA JUJI, NAKAMURA MITSUTERU, OOTA TOSHIO, MATSUMOTO HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	FORGE FURNACES FORGING HAMMERING 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
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