METHOD FOR MANUFACTURING LAMINATED CORE AND TOOL FOR MANUFACTURING SAME
Provided are a method for manufacturing a laminated core wherein the workability of winding and assembly can be enhanced without degrading the magnetic performance of a laminated core, and a tool for manufacturing same. A core sheet (50), which consists of a tooth (11b) and a back yoke (11a) formed...
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Format | Patent |
Language | English French Japanese |
Published |
22.07.2010
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Abstract | Provided are a method for manufacturing a laminated core wherein the workability of winding and assembly can be enhanced without degrading the magnetic performance of a laminated core, and a tool for manufacturing same. A core sheet (50), which consists of a tooth (11b) and a back yoke (11a) formed by projecting the tooth (11b) from the arcuate central portion to the center side and fitting a fitting protrusion (12a), which is one of the wings of a butterfly-shaped scrap (12), to the opposite side by push-back, is punched out from a steel plate. A plurality of the core sheets (50) are laminated, the front and back surfaces of adjoining scraps (12) are fixed to each other by caulking a fixing recess (12d) and a fixing protrusion (12e), the laminated layers of the laminated core (11) are fixed to each other, and then the laminated scrap (12) is removed from the laminated back yoke (11a).
L'invention concerne un procédé de fabrication d'un noyau feuilleté dont la mise en oeuvre des étapes de bobinage et d'assemblage peut être facilitée sans entraîner de dégradation des caractéristiques magnétiques du noyau feuilleté, ainsi qu'un outil de fabrication associé. Le procédé comprend les étapes consistant à : découper à la matrice d'une plaque d'acier une tôle (50) de noyau, comprenant une dent (11b) et une culasse arrière (11a) formée par projection de la dent (11b) d'une partie centrale en arc vers le centre et par montage d'une protubérance de montage (12a), formant l'une des ailes d'une pièce de rebut en papillon (12), du côté opposé par repoussement ; empiler une pluralité de tôles (50) de noyau ; fixer ensemble les surfaces avant et arrière de pièces de rebut (12) adjacentes par matage d'un renfoncement de fixation (12d) et d'une protubérance de fixation (12e) ; fixer ensemble les couches empilées du noyau feuilleté (11) ; et séparer la pièce de rebut (12) feuilletée de la culasse arrière (11a) feuilletée. |
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AbstractList | Provided are a method for manufacturing a laminated core wherein the workability of winding and assembly can be enhanced without degrading the magnetic performance of a laminated core, and a tool for manufacturing same. A core sheet (50), which consists of a tooth (11b) and a back yoke (11a) formed by projecting the tooth (11b) from the arcuate central portion to the center side and fitting a fitting protrusion (12a), which is one of the wings of a butterfly-shaped scrap (12), to the opposite side by push-back, is punched out from a steel plate. A plurality of the core sheets (50) are laminated, the front and back surfaces of adjoining scraps (12) are fixed to each other by caulking a fixing recess (12d) and a fixing protrusion (12e), the laminated layers of the laminated core (11) are fixed to each other, and then the laminated scrap (12) is removed from the laminated back yoke (11a).
L'invention concerne un procédé de fabrication d'un noyau feuilleté dont la mise en oeuvre des étapes de bobinage et d'assemblage peut être facilitée sans entraîner de dégradation des caractéristiques magnétiques du noyau feuilleté, ainsi qu'un outil de fabrication associé. Le procédé comprend les étapes consistant à : découper à la matrice d'une plaque d'acier une tôle (50) de noyau, comprenant une dent (11b) et une culasse arrière (11a) formée par projection de la dent (11b) d'une partie centrale en arc vers le centre et par montage d'une protubérance de montage (12a), formant l'une des ailes d'une pièce de rebut en papillon (12), du côté opposé par repoussement ; empiler une pluralité de tôles (50) de noyau ; fixer ensemble les surfaces avant et arrière de pièces de rebut (12) adjacentes par matage d'un renfoncement de fixation (12d) et d'une protubérance de fixation (12e) ; fixer ensemble les couches empilées du noyau feuilleté (11) ; et séparer la pièce de rebut (12) feuilletée de la culasse arrière (11a) feuilletée. |
Author | AKITA, HIROYUKI SHIJO, DAISUKE |
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DocumentTitleAlternate | PROCÉDÉ DE FABRICATION D'UN NOYAU FEUILLETÉ ET OUTIL DE FABRICATION ASSOCIÉ |
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RelatedCompanies | MITSUBISHI ELECTRIC CORPORATION AKITA, HIROYUKI SHIJO, DAISUKE |
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Snippet | Provided are a method for manufacturing a laminated core wherein the workability of winding and assembly can be enhanced without degrading the magnetic... |
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SubjectTerms | BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS |
Title | METHOD FOR MANUFACTURING LAMINATED CORE AND TOOL FOR MANUFACTURING SAME |
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