Adhesively-laminated core for stator, method of manufacturing same, and electric motor
An adhesively-laminated core for a stator capable of suppressing an iron loss of an electric motor and also having excellent productivity is provided. The adhesively-laminated core for a stator includes a plurality of electrical steel sheets which are stacked on one another and of which both surface...
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Zusammenfassung: | An adhesively-laminated core for a stator capable of suppressing an iron loss of an electric motor and also having excellent productivity is provided. The adhesively-laminated core for a stator includes a plurality of electrical steel sheets which are stacked on one another and of which both surfaces are coated with insulation coatings, and adhesion parts which are disposed between the electrical steel sheets adjacent to each other in a stacking direction and cause the electrical steel sheets to be adhered to each other. All sets of the electrical steel sheets adjacent to each other in the stacking direction are adhered via the adhesion parts. An adhesive forming the adhesion parts is a two-agent type acrylic-based adhesive (SGA) which includes an acrylic-based compound, an oxidizer, and a reducer and in which a portion of the acrylic-based compound and the oxidizer are assigned to a first agent and the remaining portion of the acrylic-based compound and the reducer are assigned to a second agent. The adhesion parts are partially provided between the electrical steel sheets adjacent to each other in the stacking direction. |
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