- 专利标题: Method for producing rare-earth magnets, and slurry application device
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申请号: US15570223申请日: 2016-04-18
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公开(公告)号: US10861645B2公开(公告)日: 2020-12-08
- 发明人: Yukihiro Kuribayashi , Shogo Kamiya , Harukazu Maegawa , Shintaro Tanaka
- 申请人: SHIN-ETSU CHEMICAL CO., LTD.
- 申请人地址: JP Tokyo
- 专利权人: SHIN-ETSU CHEMICAL CO., LTD.
- 当前专利权人: SHIN-ETSU CHEMICAL CO., LTD.
- 当前专利权人地址: JP Tokyo
- 代理机构: Birch, Stewart, Kolasch & Birch, LLP
- 优先权: JP2015-092038 20150428
- 国际申请: PCT/JP2016/062202 WO 20160418
- 国际公布: WO2016/175065 WO 20161103
- 主分类号: H01F41/02
- IPC分类号: H01F41/02 ; B22F3/24 ; C22C38/00 ; B05C3/10 ; C22C33/02 ; H01F1/057 ; B05D1/18 ; B05D3/02 ; B22F3/16 ; B22F9/04 ; C21D6/00 ; C22C38/02 ; C22C38/06 ; C22C38/16 ; H01F1/08
摘要:
A method for producing rare-earth magnets is provided in which, when a slurry 2 having a rare-earth-compound powder dispersed therein is applied to sintered magnet bodies 1 and dried to apply the powder thereto, the magnet bodies 1 are accommodated and conveyed in holding pockets 42 of a conveyance drum 4 which rotates in a state of being partially immersed in the slurry 2, and, as a result, the magnet bodies 1 are immersed in the slurry 2, withdrawn from the slurry 2, and dried to apply the powder to the sintered magnet bodies 1. According to this production method, the powder can be uniformly and efficiently applied, wastage of the rare-earth compound can be effectively suppressed, and a reduction in the surface area of equipment for performing an application step can also be achieved.
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