IMPROVED METHOD FOR MANUFACTURING A SHAPING TOOL

The present invention relates to a process for the manufacturing of a forming tool which comprises: providing a base steel for the forming tool; and a clad steel of defined chemical composition; depositing by laser cladding the clad steel onto at least part of the surface of the base steel for the f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ARTOLA, Garikoitz, LEUNDA ARRIZABALAGA, Josu, MURO, Maider, SORIANO REYES, Carlos
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS CASTING CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS POWDER METALLURGY SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	The present invention relates to a process for the manufacturing of a forming tool which comprises: providing a base steel for the forming tool; and a clad steel of defined chemical composition; depositing by laser cladding the clad steel onto at least part of the surface of the base steel for the forming tool, obtaining a coating with presence of retained austenite; finish machining in soft condition of the resulting piece; and cryogenic treatment to transform the retained austenite into martensite and increase the hardness of the generated coating. The invention also relates to the forming tool with improved hardness and wear resistance, obtained by the process of the invention.