CN102842418B - 一种烧结钕-铁-硼磁铁的制作方法及其装置 - Google Patents
一种烧结钕-铁-硼磁铁的制作方法及其装置 Download PDFInfo
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- CN102842418B CN102842418B CN201210336861.8A CN201210336861A CN102842418B CN 102842418 B CN102842418 B CN 102842418B CN 201210336861 A CN201210336861 A CN 201210336861A CN 102842418 B CN102842418 B CN 102842418B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 85
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000005245 sintering Methods 0.000 claims abstract description 26
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000011261 inert gas Substances 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 26
- 235000013312 flour Nutrition 0.000 claims description 15
- 238000010298 pulverizing process Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 8
- 235000012054 meals Nutrition 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 7
- 230000005291 magnetic effect Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000011112 process operation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 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
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 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
- 238000004140 cleaning Methods 0.000 description 1
- 235000013495 cobalt Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 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
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Abstract
Description
Claims (2)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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CN201210336861.8A CN102842418B (zh) | 2012-09-12 | 2012-09-12 | 一种烧结钕-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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CN201210336861.8A CN102842418B (zh) | 2012-09-12 | 2012-09-12 | 一种烧结钕-铁-硼磁铁的制作方法及其装置 |
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CN102842418A CN102842418A (zh) | 2012-12-26 |
CN102842418B true CN102842418B (zh) | 2015-03-04 |
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CN201210336861.8A Active CN102842418B (zh) | 2012-09-12 | 2012-09-12 | 一种烧结钕-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 |
CN103397248B (zh) * | 2013-08-12 | 2015-12-02 | 江西金力永磁科技有限公司 | 一种稀土永磁体生产工艺及设备 |
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 |
CN108597846B (zh) * | 2018-06-06 | 2020-03-31 | 京磁材料科技股份有限公司 | 靶式气流磨和制备节约型烧结钕铁硼毛坯的方法 |
CN109036830B (zh) * | 2018-09-18 | 2020-04-28 | 浙江中科磁业股份有限公司 | 磁性粗粉加工系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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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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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 |
KR101790811B1 (ko) * | 2010-03-31 | 2017-10-26 | 히타치 긴조쿠 가부시키가이샤 | 슬러리의 재생방법 및 희토류계 소결자석의 제조방법 및 슬러리의 재생장치 |
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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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 new industrial zone, Changting Economic Development Zone, Longyan City, Fujian Province Patentee before: FUJIAN CHANGTING GOLDEN DRAGON RARE-EARTH Co.,Ltd. |