MANUFACTURING METHOD OF MOTOR

• Main Author: FUJIU MASARU
• Format: Patent
• Language: English; Japanese
• Published: 21.10.2021
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

To improve the quality of the motor.SOLUTION: The manufacturing method for the motor 3 includes the processes of placing a stator unit in a mold, and injecting a first resin material into the above stator unit to mold a first molded portion 1 covering a portion of each of the stator core 3b, coil 3c, and terminal 3d. Further, the process includes injecting a second resin material into the periphery of the terminal molding portion 1a covering a part of the terminal 3d in the first molding portion 1 to mold a second molding portion 2 to be laminated to the terminal molding portion 1a. After molding the first molding portion 1, the process includes molding the second molding portion 2 with the terminal molding portion 1a accommodated in the cavity of the lower mold. After molding the first molding part 1, the above lower mold is moved below the upper mold that molds the second molding part 2, and the second molding part 2 is injection molded there.SELECTED DRAWING: Figure 5 【課題】モータの品質の向上化を図る。【解決手段】モータ３の製造方法は、ステータユニットを金型内に配置する工程と、上記ステータユニットに第１の樹脂材料を射出してステータコア３ｂ、コイル３ｃおよびターミナル３ｄのそれぞれの一部を覆う第１の成形部１を成形する工程と、を有する。さらに、第１の成形部１のうちターミナル３ｄの一部を覆うターミナル成形部１ａの外周部に第２の樹脂材料を射出して、ターミナル成形部１ａに積層する第２の成形部２を成形する工程を有し、第１の成形部１を成形した後、下型のキャビティにターミナル成形部１ａを収容した状態で第２の成形部２を成形する上型の下方に上記下型を移動させ、そこで第２の成形部２を射出成形する。【選択図】図５