No.1017 2019自動車関連技術特集号 レアアースの使用を抑えた重希土類フリーモータの開発 |
| カテゴリー | 資料 |
|---|---|
| 筆者 | 生産サポート本部 生産技術開発部 竹内太規 ステアリング事業本部 MCU 開発部 神田尚武 生産サポート本部 生産技術開発部 吉川 浩 舘 洸史 津村 駿 |
| 要旨 | We have developed a motor using an anisotropic bonded magnet, which is mainly composed of samarium (Sm), which is not classifi ed as a heavy rare earth element. In regards to the motor, we have achieved the target performances of “improving motor torque” and “reducing torque fl uctuation” by optimizing the magnet shape of the rotor and establishing an original mold design. As a result, we have succeeded in developing a motor with both the same size and the same performance as a conventional motor using sintered magnets which is mainly composed of neodymium (Nd). In addition, since this bonded magnet does not contain either neodymium or heavy rare earth elements (dysprosium (Dy), terbium (Tb) etc.), for which concerns exist regarding potential procurement risks, it also contributes to future procurement stability. This report provides an outline of the development and the results of motor performance evaluation. |
| キーワード | motor, IPM, heavy rare earth, sintered magnet, bonded magnet, samarium |
| 関連タグ |
Ranking
(2024年4月の集計)
(2023年5月から2024年4月の集計)
JTEKT ENGINEERING JOURNAL
メールマガジン
最新号の公開情報をメールでお知らせいたします。ぜひ、ご登録ください。