CN102842419B - 烧结钕-铁-硼磁铁的制作方法及其装置 - Google Patents
烧结钕-铁-硼磁铁的制作方法及其装置 Download PDFInfo
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- CN102842419B CN102842419B CN201210339562.XA CN201210339562A CN102842419B CN 102842419 B CN102842419 B CN 102842419B CN 201210339562 A CN201210339562 A CN 201210339562A CN 102842419 B CN102842419 B CN 102842419B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 43
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 181
- 238000000034 method Methods 0.000 claims abstract description 35
- 238000005245 sintering Methods 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 27
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 239000011261 inert gas Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 43
- 235000013312 flour Nutrition 0.000 claims description 26
- 238000010298 pulverizing process Methods 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 5
- 229910052761 rare earth metal Inorganic materials 0.000 abstract description 5
- 150000002910 rare earth metals Chemical class 0.000 abstract description 5
- 235000012054 meals Nutrition 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 6
- 230000005291 magnetic effect Effects 0.000 description 6
- 238000011112 process operation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013495 cobalt Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201210339562.XA CN102842419B (zh) | 2012-09-12 | 2012-09-12 | 烧结钕-铁-硼磁铁的制作方法及其装置 |
US14/427,159 US20150239048A1 (en) | 2012-09-12 | 2013-09-10 | Manufacturing method of rare earth magnet alloy powder, rare earth magnet and a powder making device |
PCT/CN2013/083238 WO2014040525A1 (zh) | 2012-09-12 | 2013-09-10 | 稀土磁铁用合金粉末、稀土磁铁的制造方法及制粉装置 |
US15/937,795 US10717131B2 (en) | 2012-09-12 | 2018-03-27 | Method of manufacturing a rare earth magnet alloy powder, a rare earth magnet made therefrom and a powder making device |
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CN201210339562.XA CN102842419B (zh) | 2012-09-12 | 2012-09-12 | 烧结钕-铁-硼磁铁的制作方法及其装置 |
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CN102842419A CN102842419A (zh) | 2012-12-26 |
CN102842419B true CN102842419B (zh) | 2015-01-14 |
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CN201210339562.XA Active CN102842419B (zh) | 2012-09-12 | 2012-09-12 | 烧结钕-铁-硼磁铁的制作方法及其装置 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2014040525A1 (zh) * | 2012-09-12 | 2014-03-20 | 厦门钨业股份有限公司 | 稀土磁铁用合金粉末、稀土磁铁的制造方法及制粉装置 |
CN103151132B (zh) * | 2013-04-03 | 2016-05-11 | 辽宁恒德磁业有限公司 | 一种带有超细粉的钕铁硼磁性材料及其制备方法 |
CN103817335B (zh) * | 2013-09-12 | 2018-01-16 | 厦门钨业股份有限公司 | 稀土磁铁用合金粉末、稀土磁铁的制造方法及制粉装置 |
CN103680918B (zh) * | 2013-12-11 | 2016-08-17 | 烟台正海磁性材料股份有限公司 | 一种制备高矫顽力磁体的方法 |
CN103878377B (zh) * | 2014-03-31 | 2016-01-27 | 厦门钨业股份有限公司 | 稀土磁铁用合金粉末、以及稀土磁铁的制造方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101981634A (zh) * | 2008-03-31 | 2011-02-23 | 日立金属株式会社 | R-t-b系烧结磁体及其制造方法 |
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CN2558457Y (zh) * | 2002-07-16 | 2003-07-02 | 董中天 | 钕铁硼永磁材料制粉用气流磨粉机 |
JP4966269B2 (ja) * | 2008-08-04 | 2012-07-04 | インターメタリックス株式会社 | NdFeB系焼結磁石の製造方法 |
CN102592777B (zh) * | 2012-03-15 | 2013-09-18 | 宁德市星宇科技有限公司 | 一种低成本烧结钕铁硼磁体及其制备方法 |
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CN101981634A (zh) * | 2008-03-31 | 2011-02-23 | 日立金属株式会社 | R-t-b系烧结磁体及其制造方法 |
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Effective date of registration: 20190329 Address after: No. 1005 Anling Road, Huli District, Xiamen City, Fujian Province, 361000 Co-patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Patentee after: XIAMEN TUNGSTEN Co.,Ltd. Address before: No. 1005 Anling Road, Huli District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN TUNGSTEN Co.,Ltd. |
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Effective date of registration: 20220610 Address after: 366300 No. 31, Tingzhou Avenue South Road, Changting County, Longyan City, Fujian Province Patentee after: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. Address before: No. 1005 Anling Road, Huli District, Xiamen City, Fujian Province, 361000 Patentee before: XIAMEN TUNGSTEN Co.,Ltd. Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |
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Address after: 366300 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee after: Fujian Jinlong Rare Earth Co.,Ltd. Address before: 366300 No. 31, Tingzhou Avenue South Road, Changting County, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |