Laminated core and method for producing a laminated core

A method for producing a laminated core is provided in which a plurality of lamination sheets is partially or completely separated from a strip made of a soft magnetic alloy by laser sublimation cutting, the lamination sheets each having a main surface and a thickness d. The main surface of a first...

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Bibliographische Detailangaben
Hauptverfasser:	Bäcker, Frederic, Diehl, Jens
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DYNAMO-ELECTRIC MACHINES ELECTRICITY FERROUS OR NON-FERROUS ALLOYS GENERATION INDUCTANCES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MACHINE TOOLS MAGNETS METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SOLDERING OR UNSOLDERING TRANSFORMERS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method for producing a laminated core is provided in which a plurality of lamination sheets is partially or completely separated from a strip made of a soft magnetic alloy by laser sublimation cutting, the lamination sheets each having a main surface and a thickness d. The main surface of a first of the lamination sheets is stacked on the main surface of a second of the lamination sheets in a direction of stacking and the main surfaces of the first and the second lamination sheets are substance-to-substance joined at a plurality of points by laser welding, a plurality of filler-free joints being formed between the between the first and the second lamination sheets and being entirely surrounded by the main surfaces of the first and the second lamination sheets.