INCREMENTAL FORMING TOOL

An incremental forming tool of the present invention includes a holding portion attached to an incremental forming apparatus and a free curved surface part for pressing a metal plate.The free curved surface part is made of at least a hard metal base material and a surface of the free curved surface...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NANBU, Toshikazu, MIWA, Hirotaka, UCHIYAMA, Noriko, WATANABE, Hidenori
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PERFORMING OPERATIONS PUNCHING METAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	An incremental forming tool of the present invention includes a holding portion attached to an incremental forming apparatus and a free curved surface part for pressing a metal plate.The free curved surface part is made of at least a hard metal base material and a surface of the free curved surface part is covered with a hard film.The surface of the hard film has an Rpk of 0.15 µm or less, the Rpk is defined by JIS B 0671 and is calculated from a material ratio curve of a roughness curve, and has an Ra of 0.2 µm or less, the Ra is defined by JIS B 0601 and is calculated from a roughness curve. Therefore, a molded product having a smooth worked surface with no roughness can be produced without adding any extra equipment for preventing adhesion.