PRESS FORMING METHOD EXCELLENT IN SHAPE FREEZING PROPERTY

PROBLEM TO BE SOLVED: To provide a press forming method by which the wall warp in vertical wall parts of a press-formed part is prevented.SOLUTION: In a method for press-forming a metallic member product 7 having a hat-shaped cross-sectional shape which has a ceiling part 11, the vertical wall parts...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	AKAMATSU SATOSHI, ISOGAI EIJI
Format:	Patent
Sprache:	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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a press forming method by which the wall warp in vertical wall parts of a press-formed part is prevented.SOLUTION: In a method for press-forming a metallic member product 7 having a hat-shaped cross-sectional shape which has a ceiling part 11, the vertical wall parts 12 and a flange part 13 on both sides or one side, when expressing the flange length of the product by L [mm] and the flange length of a punch by L1 [mm], press forming is performed by using a metal mold 9 which comprises the punch 3 which is 0≤L1/L