CN1162235C - 粉体压制装置及稀土合金磁性粉末成型体的制作方法 - Google Patents
粉体压制装置及稀土合金磁性粉末成型体的制作方法 Download PDFInfo
- Publication number
- CN1162235C CN1162235C CNB011099410A CN01109941A CN1162235C CN 1162235 C CN1162235 C CN 1162235C CN B011099410 A CNB011099410 A CN B011099410A CN 01109941 A CN01109941 A CN 01109941A CN 1162235 C CN1162235 C CN 1162235C
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- China
- Prior art keywords
- aforementioned
- press face
- powder
- rare earth
- formed body
- 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
Links
- 239000000843 powder Substances 0.000 title claims abstract description 90
- 238000003825 pressing Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000006247 magnetic powder Substances 0.000 title abstract description 7
- 101150107341 RERE gene Proteins 0.000 title 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 57
- 239000000956 alloy Substances 0.000 claims abstract description 56
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 56
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 52
- 230000005291 magnetic effect Effects 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims description 39
- 229910052751 metal Inorganic materials 0.000 claims description 9
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- 229910052796 boron Inorganic materials 0.000 claims description 6
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- 239000002245 particle Substances 0.000 abstract description 36
- 230000008569 process Effects 0.000 description 21
- 239000000314 lubricant Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000001257 hydrogen Substances 0.000 description 9
- 229910052739 hydrogen Inorganic materials 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 8
- NUKZAGXMHTUAFE-UHFFFAOYSA-N methyl hexanoate Chemical compound CCCCCC(=O)OC NUKZAGXMHTUAFE-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
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- 238000010298 pulverizing process Methods 0.000 description 7
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- 239000002994 raw material Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- UQDUPQYQJKYHQI-UHFFFAOYSA-N methyl laurate Chemical compound CCCCCCCCCCCC(=O)OC UQDUPQYQJKYHQI-UHFFFAOYSA-N 0.000 description 4
- JGHZJRVDZXSNKQ-UHFFFAOYSA-N methyl octanoate Chemical compound CCCCCCCC(=O)OC JGHZJRVDZXSNKQ-UHFFFAOYSA-N 0.000 description 4
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- 238000009760 electrical discharge machining Methods 0.000 description 2
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- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 2
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- 229910001172 neodymium magnet Inorganic materials 0.000 description 2
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- 229910052723 transition metal Inorganic materials 0.000 description 2
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- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical class C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Images
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
-
- 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
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/06—Platens or press rams
- B30B15/065—Press rams
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Abstract
Description
Claims (13)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000088825 | 2000-03-28 | ||
JP088825/2000 | 2000-03-28 | ||
JP2000088825 | 2000-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1317384A CN1317384A (zh) | 2001-10-17 |
CN1162235C true CN1162235C (zh) | 2004-08-18 |
Family
ID=18604647
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011099410A Expired - Lifetime CN1162235C (zh) | 2000-03-28 | 2001-03-26 | 粉体压制装置及稀土合金磁性粉末成型体的制作方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6599468B2 (zh) |
CN (1) | CN1162235C (zh) |
DE (1) | DE10114939B4 (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6713921B2 (en) * | 2001-05-08 | 2004-03-30 | Delphi Technologies, Inc. | Permanent magnet structure for brushless motor and power assist actuator using the same |
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 |
US20060207689A1 (en) * | 2003-10-31 | 2006-09-21 | Makoto Iwasaki | Method for producing sintered rare earth element magnet |
JP4573349B2 (ja) * | 2004-10-21 | 2010-11-04 | 日立粉末冶金株式会社 | 動圧軸受の製造方法 |
JP5095924B2 (ja) * | 2005-05-16 | 2012-12-12 | 芙蓉工業株式会社 | 錠剤の打錠杵又は臼 |
KR101137395B1 (ko) * | 2007-12-25 | 2012-04-20 | 가부시키가이샤 알박 | 영구자석의 제조 방법 |
WO2012033202A1 (ja) * | 2010-09-10 | 2012-03-15 | Tdk株式会社 | 弓形磁石及び磁場成形用金型 |
CN103418787A (zh) * | 2012-04-23 | 2013-12-04 | 会田工程技术有限公司 | 混合粉末的高密度成形方法及高密度成形装置 |
CN103071792B (zh) * | 2013-01-25 | 2016-08-03 | 无锡钻探工具厂有限公司 | 一种硬质合金曲型板材成型模具 |
US9870862B2 (en) | 2013-04-23 | 2018-01-16 | GM Global Technology Operations LLC | Method of making non-rectangular magnets |
JP5942922B2 (ja) * | 2013-05-08 | 2016-06-29 | 信越化学工業株式会社 | 希土類焼結磁石の製造方法 |
CN103521735A (zh) * | 2013-10-16 | 2014-01-22 | 重庆大江美利信压铸有限责任公司 | 一种铝压铸件镶件结构 |
CN104107909B (zh) * | 2014-07-21 | 2016-05-25 | 中磁科技股份有限公司 | 空心圆柱稀土磁钢压坯的成型方法 |
CN105081315A (zh) * | 2015-08-25 | 2015-11-25 | 廊坊京磁精密材料有限公司 | 一种烧结钕铁硼的压制成型模具 |
CN106653269B (zh) * | 2016-12-20 | 2018-10-23 | 山西大缙华磁性材料有限公司 | 制作高一致性烧结钕铁硼永磁体的工艺方法及其工装 |
CN108270327B (zh) * | 2017-01-04 | 2021-02-26 | 中国科学院宁波材料技术与工程研究所 | 一种球壳形永磁体及其制备方法 |
CN109545490A (zh) * | 2018-12-18 | 2019-03-29 | 宁波铄腾新材料有限公司 | 一种提高烧结稀土永磁体尺寸一致性的设备与方法 |
CN114310191B (zh) * | 2022-01-13 | 2022-10-21 | 江西江钨硬质合金有限公司 | 一种球齿硬质合金模具制备方法 |
CN115301946A (zh) * | 2022-08-18 | 2022-11-08 | 杨俊林 | 一种改善钕铁硼烧结毛坯磁体腰鼓型的方法及其模具压头 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH066728B2 (ja) | 1986-07-24 | 1994-01-26 | 住友特殊金属株式会社 | 永久磁石材料用原料粉末の製造方法 |
JPH02240201A (ja) | 1989-03-10 | 1990-09-25 | Toto Ltd | 圧粉体の成形金型及び圧粉体の製造方法 |
EP0488334B1 (en) * | 1990-11-30 | 1996-05-15 | Intermetallics Co., Ltd. | Method and apparatus for producing a permanent magnet by forming a green and sintered compact |
EP0556751B1 (en) * | 1992-02-15 | 1998-06-10 | Santoku Metal Industry Co., Ltd. | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet |
DE4228519B4 (de) * | 1992-08-27 | 2006-04-27 | Vacuumschmelze Gmbh | Verfahren zur Herstellung von kunststoffgebundenen anisotropen Dauermagnetformteilen |
JPH06218587A (ja) | 1993-01-25 | 1994-08-09 | Hitachi Tool Eng Ltd | 粉末成形用被覆金型 |
JP3101799B2 (ja) * | 1995-07-21 | 2000-10-23 | 信越化学工業株式会社 | 異方性焼結永久磁石の製造方法 |
JP3798059B2 (ja) * | 1995-09-28 | 2006-07-19 | 日本碍子株式会社 | セラミック製プレス型及びその製造方法 |
US6482349B1 (en) | 1998-11-02 | 2002-11-19 | Sumitomo Special Metals Co., Ltd. | Powder pressing apparatus and powder pressing method |
JP3193912B2 (ja) | 1998-11-02 | 2001-07-30 | 住友特殊金属株式会社 | 粉体プレス装置および粉体プレス方法 |
DE69931133T2 (de) | 1998-12-28 | 2006-11-23 | Neomax Co., Ltd., Osaka | Verfahren und Vorrichtung zum Einführen von Seltenerd-Legierungspuder |
JP3485485B2 (ja) * | 1998-12-28 | 2004-01-13 | 住友特殊金属株式会社 | 粉体プレス装置、パンチ及び粉体プレス方法 |
JP3337449B2 (ja) | 1998-12-28 | 2002-10-21 | 住友特殊金属株式会社 | 希土類合金粉末供給装置および希土類合金粉末供給方法 |
JP2000254907A (ja) * | 1999-03-05 | 2000-09-19 | Tdk Corp | 円弧状フェライト磁石の乾式成型用金型 |
US6332932B1 (en) * | 1999-04-20 | 2001-12-25 | Sumitomo Special Metals Co., Ltd. | Punch, powder pressing apparatus and powder pressing method |
-
2001
- 2001-03-26 CN CNB011099410A patent/CN1162235C/zh not_active Expired - Lifetime
- 2001-03-27 DE DE10114939A patent/DE10114939B4/de not_active Expired - Lifetime
- 2001-03-28 US US09/818,930 patent/US6599468B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE10114939B4 (de) | 2009-08-06 |
US6599468B2 (en) | 2003-07-29 |
CN1317384A (zh) | 2001-10-17 |
US20020018730A1 (en) | 2002-02-14 |
DE10114939A1 (de) | 2001-10-04 |
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