JP2001210508A - アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法 - Google Patents

アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法

Info

Publication number
JP2001210508A
JP2001210508A JP2000196345A JP2000196345A JP2001210508A JP 2001210508 A JP2001210508 A JP 2001210508A JP 2000196345 A JP2000196345 A JP 2000196345A JP 2000196345 A JP2000196345 A JP 2000196345A JP 2001210508 A JP2001210508 A JP 2001210508A
Authority
JP
Japan
Prior art keywords
magnet
arc segment
rare earth
radial
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000196345A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001210508A5 (enExample
Inventor
Hisato Tokoro
久人 所
Kimio Uchida
公穂 内田
Kazuo Oda
和男 小田
Tsukasa Mikamoto
司 三家本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Proterial Ltd
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to JP2000196345A priority Critical patent/JP2001210508A/ja
Publication of JP2001210508A publication Critical patent/JP2001210508A/ja
Publication of JP2001210508A5 publication Critical patent/JP2001210508A5/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01F1/06—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 in the form of particles, e.g. powder
    • H01F1/08—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 in the form of particles, e.g. powder pressed, sintered, or bound together
    • 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
    • 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
    • H01F1/0577—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 sintered

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Powder Metallurgy (AREA)
JP2000196345A 1999-07-05 2000-06-29 アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法 Pending JP2001210508A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000196345A JP2001210508A (ja) 1999-07-05 2000-06-29 アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP19035199 1999-07-05
JP32959099 1999-11-19
JP11-190351 1999-11-19
JP11-329590 1999-11-19
JP2000196345A JP2001210508A (ja) 1999-07-05 2000-06-29 アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法

Publications (2)

Publication Number Publication Date
JP2001210508A true JP2001210508A (ja) 2001-08-03
JP2001210508A5 JP2001210508A5 (enExample) 2007-03-01

Family

ID=26506028

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000196345A Pending JP2001210508A (ja) 1999-07-05 2000-06-29 アークセグメント磁石、リング磁石及び希土類焼結磁石の製造方法

Country Status (5)

Country Link
US (2) US6312494B1 (enExample)
JP (1) JP2001210508A (enExample)
KR (1) KR100651147B1 (enExample)
CN (1) CN1238866C (enExample)
DE (1) DE10032515B4 (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7199690B2 (en) 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
JP2009200186A (ja) * 2008-02-20 2009-09-03 Tdk Corp 焼結磁石の製造方法
WO2015030231A1 (ja) * 2013-09-02 2015-03-05 日立金属株式会社 Ｒ－ｔ－ｂ系焼結磁石の製造方法
JP2016509365A (ja) * 2012-12-24 2016-03-24 北京中科三環高技術股▲ふん▼有限公司 ＮｄＦｅＢ系焼結磁石及びその製造方法
JP2019208013A (ja) * 2018-05-29 2019-12-05 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石およびその製造方法

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6635120B2 (en) * 2000-09-14 2003-10-21 Hitachi Metals, Ltd. Method for producing sintered rare earth magnet and sintered ring magnet
DE60335331D1 (de) * 2002-10-08 2011-01-27 Hitachi Metals Ltd R-Fe-B gesinterter Permanentmagnet und Verfahren zu dessen Herstellung
CN100431062C (zh) * 2002-10-08 2008-11-05 日立金属株会社 烧结型R-Fe-B系永磁体及其制造方法
US20050062572A1 (en) * 2003-09-22 2005-03-24 General Electric Company Permanent magnet alloy for medical imaging system and method of making
US20070221296A1 (en) * 2004-06-25 2007-09-27 Tdk Corporation Rare Earth Sintered Magnet, Raw Material Alloy Powder For Rare Earth Sintered Magnet, And Process For Producing Rare Earth Sintered Magnet
KR101261099B1 (ko) * 2010-04-20 2013-05-06 선문대학교 산학협력단 희토류 소결자석 제조방법
CN104184236B (zh) * 2014-09-05 2016-09-14 宁波市北仑海伯精密机械制造有限公司 用于电机的永磁体及其该永磁体的设计方法
CN105033204B (zh) * 2015-06-30 2017-08-08 厦门钨业股份有限公司 一种用于烧结磁体的急冷合金片
JP6743549B2 (ja) * 2016-07-25 2020-08-19 Tdk株式会社 Ｒ−ｔ−ｂ系焼結磁石
CN111916283A (zh) * 2020-07-26 2020-11-10 烟台首钢磁性材料股份有限公司 一种圆环状烧结钕铁硼磁体的制备方法及其成型模具
CN111739729A (zh) * 2020-08-08 2020-10-02 江西开源自动化设备有限公司 一种烧结钕铁硼的制造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324030A (ja) * 1986-06-26 1988-02-01 Res Dev Corp Of Japan 異方性希土類磁石材料およびその製造方法
JPS63111603A (ja) * 1986-10-30 1988-05-16 Santoku Kinzoku Kogyo Kk ボンド磁石
US4881986A (en) * 1986-11-26 1989-11-21 Tokin Corporation Method for producing a rare earth metal-iron-boron anisotropic sintered magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
EP0284033B1 (en) * 1987-03-23 1993-08-11 Tokin Corporation A method for producing a rare earth metal-iron-boron anisotropic bonded magnet from rapidly-quenched rare earth metal-iron-boron alloy ribbon-like flakes
US4888506A (en) * 1987-07-09 1989-12-19 Hitachi Metals, Ltd. Voice coil-type linear motor
US5648039A (en) * 1992-04-24 1997-07-15 Tdk Corporation Process for the production of anisotropic ferrite magnets
JP2731337B2 (ja) * 1993-03-19 1998-03-25 日立金属株式会社 希土類焼結磁石の製造方法
US5489343A (en) 1993-01-29 1996-02-06 Hitachi Metals, Ltd. Method for producing R-Fe-B-based, sintered magnet
JP2859517B2 (ja) 1993-08-12 1999-02-17 日立金属株式会社 希土類磁石の製造方法
JP3209380B2 (ja) * 1993-07-21 2001-09-17 日立金属株式会社 希土類焼結磁石およびその製造方法
JPH08130142A (ja) 1994-11-01 1996-05-21 Hitachi Metals Ltd 希土類磁石の製造方法
JP2897871B2 (ja) * 1995-08-11 1999-05-31 ティーディーケイ株式会社 磁石粉末、焼結磁石、ボンディッド磁石および磁気記録媒体
US6159308A (en) * 1997-12-12 2000-12-12 Hitachi Metals, Ltd. Rare earth permanent magnet and production method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7199690B2 (en) 2003-03-27 2007-04-03 Tdk Corporation R-T-B system rare earth permanent magnet
JP2009200186A (ja) * 2008-02-20 2009-09-03 Tdk Corp 焼結磁石の製造方法
JP2016509365A (ja) * 2012-12-24 2016-03-24 北京中科三環高技術股▲ふん▼有限公司 ＮｄＦｅＢ系焼結磁石及びその製造方法
WO2015030231A1 (ja) * 2013-09-02 2015-03-05 日立金属株式会社 Ｒ－ｔ－ｂ系焼結磁石の製造方法
US10658108B2 (en) 2013-09-02 2020-05-19 Hitachi Metals, Ltd. Method for producing R-T-B based sintered magnet
JP2019208013A (ja) * 2018-05-29 2019-12-05 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石およびその製造方法
JP7247670B2 (ja) 2018-05-29 2023-03-29 Tdk株式会社 Ｒ－ｔ－ｂ系永久磁石およびその製造方法

Also Published As

Publication number Publication date
US6312494B1 (en) 2001-11-06
CN1283857A (zh) 2001-02-14
USRE40348E1 (en) 2008-06-03
KR20010015183A (ko) 2001-02-26
KR100651147B1 (ko) 2006-11-28
CN1238866C (zh) 2006-01-25
DE10032515A1 (de) 2001-01-18
DE10032515B4 (de) 2012-09-27

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