JIG FOR METAL PLASTIC WORKING

The present invention provides a jig for metal plastic working for use in plastic working of a metal or alloy workpiece . The jig for metal plastic working enables plastic working to be carried out without forming linear flaws on a surface of a molded product. The jig for metal plastic working accor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIMAMURA, Masahiro, KUMAGAI, Takuho, OGAWA, Tomohiro, SHIROISHI, Ryozo, MATSUMOTO, Naoya
Format:	Patent
Sprache:	eng ; fre ; ger
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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Beschreibung
Zusammenfassung:	The present invention provides a jig for metal plastic working for use in plastic working of a metal or alloy workpiece . The jig for metal plastic working enables plastic working to be carried out without forming linear flaws on a surface of a molded product. The jig for metal plastic working according to the present invention is used for plastic working of a metal or alloy workpiece, in which a working surface is moved relative to the workpiece in contact with the workpiece. The working surface of the jig is smoothed so that an arithmetic mean surface roughness Ra is not more than 0.12 µm, and so that no protrusion is observed that has a width of not less than 200 µm and a height of not less than 10 µm, which are calculated on a basis of its projection along a working direction.