METHOD FOR MANUFACTURING PIERCER PLUG

A piercer plug having good base-material deformation resistance is provided. A method of manufacturing a piercer plug (10) includes the steps of: preparing a plug body (1) including a tip portion (11) and a cylindrical portion (12) having a hole (121) usable to attach a bar and located rearward of t...

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Bibliographische Detailangaben
Hauptverfasser:	HIDAKA, Yasuyoshi, HIGASHIDA, Yasuto, YAMANARI, Yuichi, SHIRASAWA, Naoya
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING 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 CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MACHINE TOOLS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL SOLDERING OR UNSOLDERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A piercer plug having good base-material deformation resistance is provided. A method of manufacturing a piercer plug (10) includes the steps of: preparing a plug body (1) including a tip portion (11) and a cylindrical portion (12) having a hole (121) usable to attach a bar and located rearward of the tip portion (11); forming a build-up layer (2) on the surface of the tip portion (11); and heating the plug body (1) such that the temperature of the tip portion (11) with the build-up layer (2) formed thereon is not lower than the austenite transformation temperature and the temperature of the cylindrical portion (12) is lower than the austenite transformation temperature.