JPH04506887A - 高エネルギー希土類合金磁石の製造方法 - Google Patents

高エネルギー希土類合金磁石の製造方法

Info

Publication number: JPH04506887A
Authority: JP; Japan
Prior art keywords: rare earth; earth alloy; mixture; magnetic field; manufacturing
Prior art date: 1990-04-23
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

JP3508064A

Other languages

English (en)

Japanese (ja)

Inventor

リー，ジェイ・ケリー

レヅニック，スベトラナ

Original Assignee

イーストマン・コダック・カンパニー

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.)

1990-04-23

Filing date

1991-04-19

Publication date

1992-11-26

1991-04-19 Application filed by イーストマン・コダック・カンパニー filed Critical イーストマン・コダック・カンパニー

1992-11-26 Publication of JPH04506887A publication Critical patent/JPH04506887A/ja

Status Pending legal-status Critical Current

Links

239000000956 alloy Substances 0.000 title claims description 17
229910052761 rare earth metal Inorganic materials 0.000 title claims description 14
150000002910 rare earth metals Chemical class 0.000 title claims description 13
229910045601 alloy Inorganic materials 0.000 title claims description 12
238000004519 manufacturing process Methods 0.000 title claims description 9
230000005291 magnetic effect Effects 0.000 claims description 19
238000000034 method Methods 0.000 claims description 14
239000000696 magnetic material Substances 0.000 claims description 12
239000000203 mixture Substances 0.000 claims description 8
239000004033 plastic Substances 0.000 claims description 8
229920003023 plastic Polymers 0.000 claims description 8
238000001746 injection moulding Methods 0.000 claims description 7
239000000843 powder Substances 0.000 claims description 6
229910001172 neodymium magnet Inorganic materials 0.000 claims description 5
239000006247 magnetic powder Substances 0.000 claims description 3
229920001169 thermoplastic Polymers 0.000 claims description 3
239000004416 thermosoftening plastic Substances 0.000 claims description 3
239000011230 binding agent Substances 0.000 claims description 2
229920006345 thermoplastic polyamide Polymers 0.000 claims 1
238000002347 injection Methods 0.000 description 9
239000007924 injection Substances 0.000 description 9
230000005415 magnetization Effects 0.000 description 6
229910001004 magnetic alloy Inorganic materials 0.000 description 5
239000000463 material Substances 0.000 description 3
238000000465 moulding Methods 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 1
239000004677 Nylon Substances 0.000 description 1
229920000299 Nylon 12 Polymers 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000005294 ferromagnetic effect Effects 0.000 description 1
239000012467 final product Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229920001778 nylon Polymers 0.000 description 1
239000000088 plastic resin Substances 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920005596 polymer binder Polymers 0.000 description 1
239000002491 polymer binding agent Substances 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
229910001220 stainless steel Inorganic materials 0.000 description 1

Classifications

- 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
- H01F41/028—Radial 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
- H01F1/0578—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
- H01F13/00—Apparatus or processes for magnetising or demagnetising
- H01F13/003—Methods and devices for magnetising permanent magnets

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Chemical & Material Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Inorganic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Manufacturing Cores, Coils, And Magnets (AREA)
Hard Magnetic Materials (AREA)
Moulds For Moulding Plastics Or The Like (AREA)

JP3508064A 1990-04-23 1991-04-19 高エネルギー希土類合金磁石の製造方法 Pending JPH04506887A (ja)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US51337190A	1990-04-23	1990-04-23
US513,371		1990-04-23

Publications (1)

Publication Number	Publication Date
JPH04506887A true JPH04506887A (ja)	1992-11-26

Family

ID=24042986

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP3508064A Pending JPH04506887A (ja)	1990-04-23	1991-04-19	高エネルギー希土類合金磁石の製造方法

Country Status (3)

Country	Link
EP (1)	EP0478751A1 (de)
JP (1)	JPH04506887A (de)
WO (1)	WO1991016717A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6076110A (ja) *	1983-10-03	1985-04-30	Sumitomo Special Metals Co Ltd	磁気回路の組立着磁方法
JPS61276303A (ja) *	1985-05-31	1986-12-06	Seiko Epson Corp	希土類永久磁石の製造方法
JPS63216309A (ja) *	1987-03-05	1988-09-08	Seiko Epson Corp	円筒状希土類焼結磁石の製造方法
DE3883038T2 (de) *	1987-03-23	1994-01-05	Tokin Corp	Verfahren zur Herstellung eines anisotropen seltene Erden-Eisen-Bor-Verbundmagneten mit Hilfe von bandähnlichen Spänen aus einer seltene Erden-Eisen-Bor-Legierung.
JPH0212801A (ja) *	1988-06-30	1990-01-17	Hitachi Metals Ltd	ボンド磁石用コンパウンド及びその製造方法

1991
- 1991-04-19 EP EP19910908294 patent/EP0478751A1/de not_active Withdrawn
- 1991-04-19 JP JP3508064A patent/JPH04506887A/ja active Pending
- 1991-04-19 WO PCT/US1991/002679 patent/WO1991016717A1/en not_active Ceased

Also Published As

Publication number	Publication date
EP0478751A1 (de)	1992-04-08
WO1991016717A1 (en)	1991-10-31

Publication	Publication Date	Title
JPS6427208A (en)	1989-01-30	Cylindrical permanent magnet, motor using same and manufacture thereof
JPS6150368B2 (de)	1986-11-04
JPH04506887A (ja)	1992-11-26	高エネルギー希土類合金磁石の製造方法
GB1447264A (en)	1976-08-25	Polymer bonded magnets
JPH0611014B2 (ja)	1994-02-09	円筒状磁石の製造方法
JPS55154721A (en)	1980-12-02	Annular permanent magnet and manufacture thereof
JPS588571B2 (ja)	1983-02-16	射出成形における同時配向着磁法
JP2516176B2 (ja)	1996-07-10	樹脂結合型永久磁石の製造方法
JPS6252913A (ja)	1987-03-07	多極異方性円筒状磁石の製造方法及び装置
JPH02153507A (ja)	1990-06-13	樹脂結合型永久磁石の製造方法
JPS5661114A (en)	1981-05-26	Manufacture of ring-shaped magnet unit
JPH053124B2 (de)	1993-01-14
JPS5668255A (en)	1981-06-08	Rotor for miniature motor of watch
JPS6239526B2 (de)	1987-08-24
JPH0376764B2 (de)	1991-12-06
JPS6037112A (ja)	1985-02-26	異方性複合磁石の製造方法
JPH069471Y2 (ja)	1994-03-09	多極異方性円筒状プラスチックマグネット成形用金型
JPS61125009A (ja)	1986-06-12	多極異方性円筒磁石の製造方法及び装置
JP3270606B2 (ja)	2002-04-02	樹脂マグネットローラの製造方法およびその成形用金型
JPH0343707Y2 (de)	1991-09-12
JPS60115422A (ja)	1985-06-21	マグネットロ−ルの製造法
JPS62130813A (ja)	1987-06-13	多極異方性円筒状磁石の製造方法及び装置
JPS6344285B2 (de)	1988-09-05
JPH0754776B2 (ja)	1995-06-07	押出成形用金型
WO1991001562A1 (fr)	1991-02-07	Aimant anisotropique lie par une substance plastique