CN1303110A - 稀土合金粉末的压型体制造方法、成形装置及稀土磁铁 - Google Patents
稀土合金粉末的压型体制造方法、成形装置及稀土磁铁 Download PDFInfo
- Publication number
- CN1303110A CN1303110A CN00129884A CN00129884A CN1303110A CN 1303110 A CN1303110 A CN 1303110A CN 00129884 A CN00129884 A CN 00129884A CN 00129884 A CN00129884 A CN 00129884A CN 1303110 A CN1303110 A CN 1303110A
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- Prior art keywords
- rare earth
- powder
- punch
- compact
- earth alloy
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Links
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
- H01F1/053—Alloys characterised by their composition containing rare earth metals
- H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
- H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
- H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
- H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
- H01F1/0576—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together pressed, e.g. hot working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/008—Applying a magnetic field to the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
- H01F41/0273—Imparting anisotropy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP302679/1999 | 1999-10-25 | ||
JP30267999 | 1999-10-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1303110A true CN1303110A (zh) | 2001-07-11 |
CN1171249C CN1171249C (zh) | 2004-10-13 |
Family
ID=17911890
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001298844A Expired - Lifetime CN1171249C (zh) | 1999-10-25 | 2000-10-24 | 稀土合金粉末的压型体制造方法、成形装置及稀土磁铁 |
Country Status (3)
Country | Link |
---|---|
US (3) | US6432158B1 (zh) |
CN (1) | CN1171249C (zh) |
DE (1) | DE10052682A1 (zh) |
Cited By (4)
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CN103567439A (zh) * | 2013-08-09 | 2014-02-12 | 浙江东阳东磁有限公司 | 大高径比辐射环的取向压制装置及压制方法 |
CN105845422A (zh) * | 2015-02-03 | 2016-08-10 | 胜美达集团株式会社 | 一种磁性元件的制造方法 |
CN110364348A (zh) * | 2018-04-09 | 2019-10-22 | 丰田自动车株式会社 | 稀土磁体的制造方法和用于其的制造装置 |
CN110662617A (zh) * | 2017-05-30 | 2020-01-07 | 国立研究开发法人产业技术综合研究所 | 钐-铁-氮磁铁粉末及其制造方法 |
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JP3172521B1 (ja) * | 2000-06-29 | 2001-06-04 | 住友特殊金属株式会社 | 希土類磁石の製造方法および粉体プレス装置 |
US6605162B2 (en) * | 2000-08-11 | 2003-08-12 | Nissan Motor Co., Ltd. | Anisotropic magnet and process of producing the same |
US6856231B2 (en) * | 2000-09-08 | 2005-02-15 | Nec Tokin Corporaton | Magnetically biasing bond magnet for improving DC superposition characteristics of magnetic coil |
EP1209703B1 (en) * | 2000-11-28 | 2009-08-19 | NEC TOKIN Corporation | Magnetic core comprising a bond magnet including magnetic powder whose particle's surface is coated with oxidation-resistant metal |
DE60101951T2 (de) * | 2000-11-29 | 2004-12-23 | Nec Tokin Corp., Sendai | Magnetkern mit einem vormagnetisierenden Verbindungsmagneten und Induktorteil, das diesen verwendet |
US6753751B2 (en) * | 2000-11-30 | 2004-06-22 | Nec Tokin Corporation | Magnetic core including magnet for magnetic bias and inductor component using the same |
US7007111B2 (en) * | 2001-06-11 | 2006-02-28 | Lsi Logic Corporation | DMA port sharing bandwidth balancing logic |
WO2003012806A1 (en) * | 2001-07-30 | 2003-02-13 | Sumitomo Special Metals Co., Ltd. | Method of magnetizing rare-earth magnet and rare-earth magnet |
JP4250878B2 (ja) * | 2001-08-08 | 2009-04-08 | パナソニック株式会社 | バーニヤ型ブラシレスモータ |
DE10142773C1 (de) * | 2001-08-31 | 2003-03-06 | Fette Wilhelm Gmbh | Hydraulische Presse zum Pressen von Metallpulver |
DE10142623C2 (de) * | 2001-08-31 | 2003-11-06 | Fette Wilhelm Gmbh | Verfahren und Vorrichtung zur Minimierung der Streuung der maximalen Presskräfte in einer Pulverpresse |
JP4134616B2 (ja) * | 2001-10-02 | 2008-08-20 | 日立金属株式会社 | プレス装置および磁石の製造方法 |
US7018487B2 (en) * | 2001-11-22 | 2006-03-28 | Nissan Motor Co., Ltd. | Magnet containing low rare earth element and method for manufacturing the same |
US7371290B2 (en) | 2001-12-26 | 2008-05-13 | Neomax Co., Ltd. | Production method for permanent magnet and press device |
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DE10246719A1 (de) * | 2002-10-07 | 2004-04-15 | Vacuumschmelze Gmbh & Co. Kg | Verfahren und Vorrichtung zum Herstellen eines mehrpolig orientierten gesinterten Seltenerd-Ringmagnets |
EP1734637A4 (en) * | 2004-04-06 | 2010-11-03 | Hitachi Metals Ltd | ROTOR AND PROCESS FOR ITS MANUFACTURE |
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US7931856B2 (en) * | 2007-09-04 | 2011-04-26 | Burgess-Norton Mfg. Co., Inc. | Method of manufacturing crankshaft bushing |
US8572830B2 (en) * | 2011-03-14 | 2013-11-05 | Apple Inc. | Method and apparatus for producing magnetic attachment system |
CN103042211B (zh) * | 2012-07-27 | 2015-02-11 | 王秋安 | 一种辐射取向烧结钕铁硼磁环的模具及其制作工艺 |
KR101552018B1 (ko) * | 2012-11-07 | 2015-09-09 | 오씨아이 주식회사 | 진공단열재 심재의 성형 장치 및 이를 통해 제조된 진공단열재 |
US9312057B2 (en) * | 2013-01-30 | 2016-04-12 | Arnold Magnetic Technologies Ag | Contoured-field magnets |
DE102013205101A1 (de) * | 2013-03-22 | 2014-09-25 | Siemens Aktiengesellschaft | Presswerkzeug zum Herstellen eines Magneten, insbesondere eines Permanentmagneten |
EP3790029A1 (en) | 2013-06-17 | 2021-03-10 | Urban Mining Technology Company, LLC | Magnet recycling to create nd-fe-b magnets with improved or restored magnetic performance |
JP6330438B2 (ja) | 2014-04-09 | 2018-05-30 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
US9336932B1 (en) | 2014-08-15 | 2016-05-10 | Urban Mining Company | Grain boundary engineering |
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JP6689571B2 (ja) * | 2015-03-05 | 2020-04-28 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
CN111916282A (zh) * | 2019-05-10 | 2020-11-10 | 西门子歌美飒可再生能源公司 | 使用变化的磁化强度制造磁通聚焦磁体 |
RU194063U1 (ru) * | 2019-10-07 | 2019-11-26 | Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский технологический университет "МИСиС" | Устройство для прессования кольцевых четырехполюсных постоянных магнитов |
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JP3651098B2 (ja) | 1996-02-20 | 2005-05-25 | 大同特殊鋼株式会社 | 長尺ラジアル異方性リング磁石の製造方法 |
JP2816668B2 (ja) * | 1996-07-04 | 1998-10-27 | 愛知製鋼株式会社 | 磁気異方性樹脂結合型磁石の製造方法 |
JP3132393B2 (ja) * | 1996-08-09 | 2001-02-05 | 日立金属株式会社 | R−Fe−B系ラジアル異方性焼結リング磁石の製造方法 |
JPH10152702A (ja) | 1996-11-21 | 1998-06-09 | Sumitomo Metal Ind Ltd | 磁石合金粉末のプレス成形方法と成形装置 |
JPH1154352A (ja) | 1997-07-30 | 1999-02-26 | Sumitomo Metal Ind Ltd | R−t−b系ラジアル異方性リング状焼結磁石の製造方法 |
-
2000
- 2000-10-19 US US09/691,266 patent/US6432158B1/en not_active Expired - Lifetime
- 2000-10-24 CN CNB001298844A patent/CN1171249C/zh not_active Expired - Lifetime
- 2000-10-24 DE DE10052682A patent/DE10052682A1/de not_active Ceased
-
2002
- 2002-06-11 US US10/166,250 patent/US6756010B2/en not_active Expired - Lifetime
-
2004
- 2004-05-12 US US10/843,348 patent/US20040206423A1/en not_active Abandoned
Cited By (7)
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CN103567439A (zh) * | 2013-08-09 | 2014-02-12 | 浙江东阳东磁有限公司 | 大高径比辐射环的取向压制装置及压制方法 |
CN105845422A (zh) * | 2015-02-03 | 2016-08-10 | 胜美达集团株式会社 | 一种磁性元件的制造方法 |
CN105845422B (zh) * | 2015-02-03 | 2019-07-09 | 胜美达集团株式会社 | 一种磁性元件的制造方法 |
CN110662617A (zh) * | 2017-05-30 | 2020-01-07 | 国立研究开发法人产业技术综合研究所 | 钐-铁-氮磁铁粉末及其制造方法 |
CN110662617B (zh) * | 2017-05-30 | 2021-10-26 | 国立研究开发法人产业技术综合研究所 | 钐-铁-氮磁铁粉末及其制造方法 |
CN110364348A (zh) * | 2018-04-09 | 2019-10-22 | 丰田自动车株式会社 | 稀土磁体的制造方法和用于其的制造装置 |
CN110364348B (zh) * | 2018-04-09 | 2021-07-16 | 丰田自动车株式会社 | 稀土磁体的制造方法和用于其的制造装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1171249C (zh) | 2004-10-13 |
US20040206423A1 (en) | 2004-10-21 |
US6756010B2 (en) | 2004-06-29 |
US20020153061A1 (en) | 2002-10-24 |
DE10052682A1 (de) | 2001-06-21 |
US6432158B1 (en) | 2002-08-13 |
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