DE68912157D1 - Verfahren zur Herstellung von harzgebundenen Magneten. - Google Patents

Verfahren zur Herstellung von harzgebundenen Magneten.

Info

Publication number
DE68912157D1
DE68912157D1 DE89103336T DE68912157T DE68912157D1 DE 68912157 D1 DE68912157 D1 DE 68912157D1 DE 89103336 T DE89103336 T DE 89103336T DE 68912157 T DE68912157 T DE 68912157T DE 68912157 D1 DE68912157 D1 DE 68912157D1
Authority
DE
Germany
Prior art keywords
resin
production
bonded magnets
magnets
bonded
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.)
Expired - Lifetime
Application number
DE89103336T
Other languages
English (en)
Other versions
DE68912157T2 (de
Inventor
Fumitoshi Yamashita
Masami Wada
Masaharu Miyagawa
Hiroshi Dohi
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP63046232A external-priority patent/JP2568615B2/ja
Priority claimed from JP63046202A external-priority patent/JP2558790B2/ja
Priority claimed from JP63046203A external-priority patent/JP2558791B2/ja
Priority claimed from JP6397688A external-priority patent/JP2615781B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68912157D1 publication Critical patent/DE68912157D1/de
Publication of DE68912157T2 publication Critical patent/DE68912157T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • 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
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/0094—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with organic materials as the main non-metallic constituent, e.g. resin
    • 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
    • H01F1/0578—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 bonded together
    • 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
    • H01F1/083—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 in a bonding agent
    • 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
    • H01F41/0266—Moulding; Pressing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/58—Processes of forming magnets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/033—Magnet

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
DE68912157T 1988-02-29 1989-02-25 Verfahren zur Herstellung von harzgebundenen Magneten. Expired - Lifetime DE68912157T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP63046232A JP2568615B2 (ja) 1988-02-29 1988-02-29 樹脂磁石構造体の製造方法
JP63046202A JP2558790B2 (ja) 1988-02-29 1988-02-29 樹脂磁石の製造方法
JP63046203A JP2558791B2 (ja) 1988-02-29 1988-02-29 樹脂磁石の製造方法
JP6397688A JP2615781B2 (ja) 1988-03-17 1988-03-17 樹脂磁石構造体の製造方法

Publications (2)

Publication Number Publication Date
DE68912157D1 true DE68912157D1 (de) 1994-02-24
DE68912157T2 DE68912157T2 (de) 1994-06-16

Family

ID=27461839

Family Applications (3)

Application Number Title Priority Date Filing Date
DE68922748T Expired - Lifetime DE68922748T2 (de) 1988-02-29 1989-02-25 Verfahren zur Herstellung eines kunststoffgebundenen Magnetgegenstandes.
DE68912157T Expired - Lifetime DE68912157T2 (de) 1988-02-29 1989-02-25 Verfahren zur Herstellung von harzgebundenen Magneten.
DE68922911T Expired - Lifetime DE68922911T2 (de) 1988-02-29 1989-02-25 Verfahren zur Herstellung von kunstharzgebundenen magnetischen Gegenstandes.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE68922748T Expired - Lifetime DE68922748T2 (de) 1988-02-29 1989-02-25 Verfahren zur Herstellung eines kunststoffgebundenen Magnetgegenstandes.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE68922911T Expired - Lifetime DE68922911T2 (de) 1988-02-29 1989-02-25 Verfahren zur Herstellung von kunstharzgebundenen magnetischen Gegenstandes.

Country Status (3)

Country Link
US (1) US4981635A (de)
EP (3) EP0331055B1 (de)
DE (3) DE68922748T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5223759A (en) * 1987-12-24 1993-06-29 Seiko Epson Corporation DC brushless motor with solid rotor having permanent magnet
JPH03201508A (ja) * 1989-12-28 1991-09-03 Sankyo Seiki Mfg Co Ltd 樹脂結合型磁石の製造方法
US5213703A (en) * 1990-02-09 1993-05-25 Matsushita Electric Industrial Co., Ltd. Anisotropic neodymium-iron-boron system plastic bonded magnet
JP2780422B2 (ja) * 1990-03-07 1998-07-30 松下電器産業株式会社 樹脂磁石構造体の製造方法
JP2819748B2 (ja) * 1990-03-23 1998-11-05 大同特殊鋼株式会社 薄肉長尺リング状磁石成形体の成形方法
US5300156A (en) * 1990-07-24 1994-04-05 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Bonded rare earth magnet and a process for manufacturing the same
US5240627A (en) * 1990-07-24 1993-08-31 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Bonded rare earth magnet and a process for manufacturing the same
IT1246925B (it) * 1991-04-04 1994-11-29 Ricerca Elettromeccanica Srl Metodo per la produzione di parti di motori elettrici e motori utilizzanti parti prodotte con detto metodo
US5319337A (en) * 1991-04-05 1994-06-07 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Composite molding of resin-bonded magnet for machine parts and process for producing the same
US5624503A (en) * 1992-12-24 1997-04-29 Matsushita Electric Industrial Co., Ltd. Process for producing Nd-Fe-B magnet
US5288447A (en) * 1993-02-22 1994-02-22 General Electric Company Method of making permanent magnet rotors
SE9402497D0 (sv) * 1994-07-18 1994-07-18 Hoeganaes Ab Iron powder components containing thermoplastic resin and methods of making same
MY132909A (en) * 1997-05-30 2007-10-31 Matsushita Electric Ind Co Ltd Production process for ring shaped resin bonded magnet member
DE19840914C2 (de) * 1998-09-08 2000-09-07 Baermann Max Gmbh Kunststoffgebundener Ringmagnet
US6188304B1 (en) * 2000-03-03 2001-02-13 Delphi Technologies, Inc. Ignition coil with microencapsulated magnets
US7850524B2 (en) * 2003-03-25 2010-12-14 Wms Gaming Inc. Progressive jackpot game with special bonus
JP5267800B2 (ja) * 2009-02-27 2013-08-21 ミネベア株式会社 自己修復性希土類−鉄系磁石
JP5976284B2 (ja) * 2010-07-23 2016-08-23 株式会社豊田中央研究所 圧粉磁心の製造方法および磁心用粉末の製造方法
DE102013213646A1 (de) * 2013-07-12 2015-01-15 Siemens Aktiengesellschaft Anisotroper seltenerdfreier matrixgebundener hochperformanter Permanentmagnet mit nanokristalliner Struktur und Verfahren zu dessen Herstellung
US20150171717A1 (en) * 2013-12-17 2015-06-18 GM Global Technology Operations LLC Net shaped aligned and sintered magnets by modified mim processing
MX2018012543A (es) * 2016-04-13 2019-06-10 Kuroda Precision Ind Ltd Metodo para fabricar un nucleo con iman integrado.
CN108305740B (zh) * 2018-01-28 2020-03-31 孔金英 一种高穿透粘结磁体及其制备方法
CN113410018B (zh) * 2021-06-25 2022-11-18 深圳市铂科新材料股份有限公司 一种磁性复合材料三维结构、其加工方法和用途

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US4678634A (en) * 1985-04-18 1987-07-07 Shin-Etsu Chemical Co., Ltd. Method for the preparation of an anisotropic sintered permanent magnet
JPS61272914A (ja) * 1985-05-28 1986-12-03 Seiko Epson Corp 熱硬化性樹脂結合磁石の製造方法
JPS6286809A (ja) * 1985-10-14 1987-04-21 Seiko Epson Corp 円筒状異方性磁石の製造方法
US4689163A (en) * 1986-02-24 1987-08-25 Matsushita Electric Industrial Co., Ltd. Resin-bonded magnet comprising a specific type of ferromagnetic powder dispersed in a specific type of resin binder
JP2530641B2 (ja) * 1986-03-20 1996-09-04 日立金属株式会社 磁気異方性ボンド磁石、それに用いる磁粉及びその製造方法
DE3626360C2 (de) * 1986-08-04 1995-06-22 Vogt Electronic Ag Herstellungsvefahren für zwei- und mehrpolige Dauermagnete mit hoher magnetischer Energiedichte
JPS6347301A (ja) * 1986-08-15 1988-02-29 Matsushita Electric Works Ltd 永久磁石粉末の製法

Also Published As

Publication number Publication date
DE68922911D1 (de) 1995-07-06
EP0540503A2 (de) 1993-05-05
EP0331055B1 (de) 1994-01-12
EP0540504A3 (en) 1993-06-09
DE68922748D1 (de) 1995-06-22
DE68922748T2 (de) 1996-02-01
EP0540503B1 (de) 1995-05-17
EP0540504B1 (de) 1995-05-31
DE68912157T2 (de) 1994-06-16
EP0540503A3 (en) 1993-06-09
DE68922911T2 (de) 1996-02-08
EP0331055A1 (de) 1989-09-06
US4981635A (en) 1991-01-01
EP0540504A2 (de) 1993-05-05

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP