Jig for metal plastic working

A jig for metal plastic working for use in 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,...

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Bibliographische Detailangaben
Hauptverfasser:	Shiroishi, Ryozo, Matsumoto, Naoya, Shimamura, Masahiro, Kumagai, Takuho, Ogawa, Tomohiro
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
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Beschreibung
Zusammenfassung:	A jig for metal plastic working for use in 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 a projection thereof along a working direction.