JP2010004716A - 永久磁石形回転電機の回転子構造 - Google Patents
永久磁石形回転電機の回転子構造 Download PDFInfo
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Abstract
【解決手段】ネオジム焼結磁石で作られた円筒型永久磁石を回転軸の外周に嵌め合わせ、その嵌め合わせ面に接着剤を塗布して構造接着した構成になる永久磁石形回転電機の回転子において、前記接着剤には高弾性率の高分子系接着剤とゴム弾性を持った低弾性率の高分子系接着剤をブレンドした海島構造の接着剤を採用し、具体的にはエポキシ系成分にシリコーンゴム系成分を分散させて海島構造を形成したエポキシ・シリコーンゴム混合系接着剤で、そのガラス転移温度をモータ使用温度範囲のほぼ中間温度ないしそれ以下の温度に合わせて調製したものを使用する。
【選択図】 図1
Description
前記接着剤として、高弾性率の高分子系接着剤とゴム弾性を持った低弾性率の高分子系接着剤とを分散混合して構成した海島構造の接着剤を使用し(請求項1)、具体的には次記態様の接着剤を用いるものとする。
(1)前記した海島構造の接着剤は、エポキシ系成分にシリコーンゴム系成分を分散させて海島構造を形成したエポキシ・シリコーンゴム混合系接着剤である(請求項2)。
(2)前記のエポキシ・シリコーンゴム混合系接着剤は、そのガラス転移温度をモータ使用温度範囲のほぼ中間温度ないしそれ以下の温度に合わせて調製したものである(請求項3)。
2 円筒型永久磁石
4 エポキシ・シリコーンゴム混合系接着剤
Claims (3)
- 表面着磁した円筒形のネオジム焼結磁石を回転軸の外周に嵌め合わせ、その嵌め合わせ面に接着剤を塗布して構造接着した構成になる永久磁石形回転電機の回転子において、
前記接着剤として、高弾性率の高分子系接着剤と低弾性率の高分子系接着剤とを分散混合して構成した海島構造の接着剤を使用することを特徴とする永久磁石形回転電機の回転子構造。 - 請求項1に記載の回転子構造において、海島構造の接着剤がエポキシ成分にシリコーンゴム成分を分散して海島構造を形成したエポキシ・シリコーンゴム混合系接着剤であることを特徴とする永久磁石形回転電機の回転子構造。
- 請求項2に記載の回転子構造において、エポキシ・シリコーンゴム混合系接着剤のガラス転移温度を、モータ使用温度範囲のほぼ中間温度ないしそれ以下の温度に合わせて調製したことを特徴とする永久磁石形回転電機の回転子構造。
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| JP2010004716A true JP2010004716A (ja) | 2010-01-07 |
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| WO2015064911A1 (ko) * | 2013-10-29 | 2015-05-07 | 소문섭 | 나선형 구조를 갖는 네오디뮴자석을 이용한 전기발생장치 |
| CN111106722A (zh) * | 2018-10-26 | 2020-05-05 | 发那科株式会社 | 装入有定子的马达护套的制造方法 |
| WO2020129948A1 (ja) * | 2018-12-17 | 2020-06-25 | 日本製鉄株式会社 | 積層コア、その製造方法及び回転電機 |
| CN114513075A (zh) * | 2020-10-29 | 2022-05-17 | 通用汽车环球科技运作有限责任公司 | 具有粘合剂增强的转子的旋转电机 |
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| US12074476B2 (en) | 2018-12-17 | 2024-08-27 | Nippon Steel Corporation | Adhesively-laminated core for stator and electric motor |
| US12081068B2 (en) | 2018-12-17 | 2024-09-03 | Nippon Steel Corporation | Laminated core with some electrical steel sheets adhered with adhesive and some electrical steel sheets fixed to each other |
| US12104096B2 (en) | 2018-12-17 | 2024-10-01 | Nippon Steel Corporation | Laminated core, laminated core manufacturing method, and electric motor |
| US12154711B2 (en) | 2018-12-17 | 2024-11-26 | Nippon Steel Corporation | Adhesively-laminated core for stator and electric motor |
| US12261482B2 (en) | 2018-12-17 | 2025-03-25 | Nippon Steel Corporation | Laminated core and electric motor |
| US12266971B2 (en) | 2018-12-17 | 2025-04-01 | Nippon Steel Corporation | Adhesively-laminated core for stator, method of manufacturing the same, and electric motor |
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| CN104485787B (zh) * | 2014-12-15 | 2017-06-27 | 哈尔滨电气动力装备有限公司 | 永磁电动机转子磁钢固定工艺 |
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| CN111106722B (zh) * | 2018-10-26 | 2024-05-10 | 发那科株式会社 | 装入有定子的马达护套的制造方法 |
| CN111106722A (zh) * | 2018-10-26 | 2020-05-05 | 发那科株式会社 | 装入有定子的马达护套的制造方法 |
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| US12266971B2 (en) | 2018-12-17 | 2025-04-01 | Nippon Steel Corporation | Adhesively-laminated core for stator, method of manufacturing the same, and electric motor |
| JP7180690B2 (ja) | 2018-12-17 | 2022-11-30 | 日本製鉄株式会社 | 積層コア、その製造方法及び回転電機 |
| KR102531969B1 (ko) | 2018-12-17 | 2023-05-12 | 닛폰세이테츠 가부시키가이샤 | 적층 코어, 그 제조 방법 및 회전 전기 기기 |
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