FORMING METHOD FOR DRUM WITH BOSS

PROBLEM TO BE SOLVED: To easily provide a forming method for a drum with a boss, being lightweight and having high rigidity. SOLUTION: A discoid metallic thick plate is subjected to a series of cold-press forming composed of burring, coining, drawing, and extrusion. The drum is formed by giving a un...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIZAKI MAGOE, OOKA MASAKAZU, HIYAMA KOUZAI
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 WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To easily provide a forming method for a drum with a boss, being lightweight and having high rigidity. SOLUTION: A discoid metallic thick plate is subjected to a series of cold-press forming composed of burring, coining, drawing, and extrusion. The drum is formed by giving a uniform working ratio to the outer periphery, the inner periphery, and the bottom part of the drum. COPYRIGHT: (C)2005,JPO&NCIPI