Press forming method and apparatus

A press forming method includes the following steps: (a) approaching an upper die (2) to a lower die (3) to form a space having a shape corresponding to at least one of concave and convex, the upper die having at least one of convex and concave, the lower die having at least one of concave and conve...

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Bibliographische Detailangaben
1. Verfasser:	SAITOU, KAZUMI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	FORGE FURNACES FORGING HAMMERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PRESSING METAL PUNCHING METAL RIVETING TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A press forming method includes the following steps: (a) approaching an upper die (2) to a lower die (3) to form a space having a shape corresponding to at least one of concave and convex, the upper die having at least one of convex and concave, the lower die having at least one of concave and convex corresponding to at least one of convex and concave of the upper die; (b) forcing a workpiece (W) disposed between the upper and lower dies, into the space so as to form at least one of preliminary concave and convex in the workpiece; (c) striking the upper die against the lower die so as to form at least one of concave and convex in the workpiece.