MANUFACTURING METHOD FOR LAMINATED CORE, ADHESIVE APPLICATION APPARATUS, AND MANUFACTURING APPARATUS OF LAMINATED CORE

• Main Authors: UENO TAKEHIKO, KAMIYAMA SEIYA, YONEYAMA WATARU
• Format: Patent
• Language: English; Japanese
• Published: 04.06.2020
• Subjects: APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; ATOMISING APPARATUS; BASIC ELECTRIC ELEMENTS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; INDUCTANCES; MAGNETS; NOZZLES; PERFORMING OPERATIONS; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; SPRAYING APPARATUS; SPRAYING OR ATOMISING IN GENERAL; TRANSFORMERS; TRANSPORTING

To provide a method of manufacturing a laminated core enabling high-precision application of an adhesive with excellent productivity, and to provide an adhesive application apparatus and a laminated core manufacturing apparatus.SOLUTION: By performing noncontact application of an adhesive 3 from a back side of a punching direction to magnetic metal plates 1, 2, before or after punching to a predetermined shape by a jet-dispensing method (step S2) and, after laminating multiple sheets of the same, curing the adhesive 3 and integrating them (step S3), a laminated core, in which a plurality of magnetic metal plates of a predetermined shape are laminated via the adhesive, is manufactured.SELECTED DRAWING: Figure 2 【課題】高精度で接着剤を塗布することができ、かつ、生産性に優れた積層コアの製造方法、接着剤塗布装置及び積層コアの製造装置を提供する。【解決手段】所定形状に打ち抜く前又は打ち抜いた後の磁性金属板１，２に、ジェットディスペンス法により、打ち抜き方向の裏面側から接着剤３を非接触塗布し（ステップＳ２）、それを複数枚積層した後接着剤３を硬化させて一体化することにより（ステップＳ３）、所定形状の磁性金属板が接着剤を介して複数枚積層された積層コアを製造する。【選択図】図２