Press forming method

The invention discloses a punch forming method. A press molding method includes a molding step in which a target molded body (20) is formed by pressing an intermediate molded body (30) having an intermediate ridge portion (32) having a large edge radius, an upper mold (48) having an upper mold step...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	MATSUTANI KENJI
Format:	Patent
Sprache:	chi ; 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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