MANUFACTURING METHOD OF ROTARY ELECTRIC MACHINE, AND MANUFACTURING DEVICE FOR STATOR USED FOR ROTARY ELECTRIC MACHINE

PROBLEM TO BE SOLVED: To provide a manufacturing method of a rotary electric machine capable of easily manufacturing a stator of an overlapped-winding structure by continuously manufacturing a plurality of coils from one lead wire and eliminating the need of a complicated connection process.SOLUTION...

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1. Verfasser: TACHIKI HIROKI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a manufacturing method of a rotary electric machine capable of easily manufacturing a stator of an overlapped-winding structure by continuously manufacturing a plurality of coils from one lead wire and eliminating the need of a complicated connection process.SOLUTION: A manufacturing method of a rotary electric machine includes: a coil body forming step 600 for forming a coil body that is formed by coupling a plurality of annular coils by the same conductor wire; a coil set step 700 for defining the coil body as a radial coil body which is a coil body in a radial shape, using a coil body holding tool and fitting the radial coil body to the coil body holding tool; a twist step 800 for forming a mesh coil assembly by twisting one side of the radial coil body just at a hooking interval gap between one or more blades; a stator core set step 900 for setting a stator core to a distal end of the coil body holding tool; and an insert step 1000 for inserting the mesh coil assembly into the stator core.SELECTED DRAWING: Figure 4 【課題】1本の導体線で連続的に複数のコイルの製造が可能であり、かつ、煩雑な結線工程が不要であることで、重ね巻構造のステータを容易に製造可能な回転電機の製造方法を提供する。【解決手段】本発明に係る回転電機の製造方法においては、環状のコイルが同一の導体線により複数連結されて形成されたコイル体を形成するコイル体形成工程600と、放射状のコイル体である放射状コイル体とし、コイル体保持ツールを用いて、放射状コイル体をコイル体保持ツールに取り付けるコイルセット工程700と、放射コイル体の一側を1つ以上のブレード間の引掛隙間間隔だけ捩じることで網目状コイルアセンブリを形成するツイスト工程800と、ステータコアをコイル体保持ツールの先端部にセットするステータコアセット工程900と、網目状コイルアセンブリをステータコアに挿入するインサート工程1000とを含む。【選択図】 図4