CN107851506B - 用于由预成形坯形成永磁体的模具和方法以及热变形*** - Google Patents
用于由预成形坯形成永磁体的模具和方法以及热变形*** Download PDFInfo
- Publication number
- CN107851506B CN107851506B CN201580080169.5A CN201580080169A CN107851506B CN 107851506 B CN107851506 B CN 107851506B CN 201580080169 A CN201580080169 A CN 201580080169A CN 107851506 B CN107851506 B CN 107851506B
- Authority
- CN
- China
- Prior art keywords
- mold
- preform
- portions
- permanent magnet
- thermal deformation
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 28
- 239000000843 powder Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 9
- 229910052761 rare earth metal Inorganic materials 0.000 description 9
- 150000002910 rare earth metals Chemical class 0.000 description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005245 sintering Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000010902 jet-milling Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 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
- H01F41/0266—Moulding; Pressing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Powder Metallurgy (AREA)
- Magnetic Treatment Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/079386 WO2016183824A1 (en) | 2015-05-20 | 2015-05-20 | Die and method for forming a permanent magnet from a preform and hot deformation system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107851506A CN107851506A (zh) | 2018-03-27 |
CN107851506B true CN107851506B (zh) | 2021-01-08 |
Family
ID=57319084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580080169.5A Active CN107851506B (zh) | 2015-05-20 | 2015-05-20 | 用于由预成形坯形成永磁体的模具和方法以及热变形*** |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6463852B2 (ja) |
CN (1) | CN107851506B (ja) |
WO (1) | WO2016183824A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113223846A (zh) * | 2021-04-26 | 2021-08-06 | 北京工业大学 | 一种一步加热制备各向异性钕铁硼磁体的方法 |
EP4356407A1 (en) * | 2021-06-16 | 2024-04-24 | Iowa State University Research Foundation, Inc. | Near net shape fabrication of anisotropic magnet using hot roll method |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000225412A (ja) * | 1999-02-05 | 2000-08-15 | Sumitomo Light Metal Ind Ltd | アルミニウム合金の塑性加工方法及びそれによる高強度高延性アルミニウム合金材 |
JP3942873B2 (ja) * | 2000-12-22 | 2007-07-11 | 株式会社小松製作所 | 押出し加工装置及び押出し加工方法 |
JP2003311320A (ja) * | 2002-04-25 | 2003-11-05 | Mitsui Mining & Smelting Co Ltd | 塑性加工装置及び塑性加工方法 |
WO2004013873A1 (ja) * | 2002-08-05 | 2004-02-12 | Santoku Corporation | 希土類−鉄−ボロン系磁石の製造方法 |
JP2006192451A (ja) * | 2005-01-12 | 2006-07-27 | Mitsubishi Heavy Ind Ltd | 押出加工用金型 |
JP4957415B2 (ja) * | 2006-09-06 | 2012-06-20 | 大同特殊鋼株式会社 | 永久磁石の製造方法および永久磁石 |
CN101250619B (zh) * | 2008-04-11 | 2010-06-02 | 西安建筑科技大学 | 一种FeCoV系合金细晶半硬磁材料的制备方法 |
CN101889098A (zh) * | 2008-10-27 | 2010-11-17 | 塔塔钢铁有限公司 | 通过等通道转角挤压(ecae)生产超细晶粒的无间隙原子(if)钢 |
CN102623166B (zh) * | 2012-04-17 | 2013-11-20 | 江苏大学 | 一种高性能铸态钕铁硼磁体的制备方法 |
-
2015
- 2015-05-20 WO PCT/CN2015/079386 patent/WO2016183824A1/en active Application Filing
- 2015-05-20 CN CN201580080169.5A patent/CN107851506B/zh active Active
- 2015-05-20 JP JP2017560272A patent/JP6463852B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP6463852B2 (ja) | 2019-02-06 |
CN107851506A (zh) | 2018-03-27 |
JP2018522400A (ja) | 2018-08-09 |
WO2016183824A1 (en) | 2016-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2913831B1 (en) | Rare-earth-magnet production method | |
CN106964777B (zh) | 生产热变形磁体的方法和设备 | |
CN104505207A (zh) | 大长径比辐向热压永磁环及其制备方法 | |
CN107851506B (zh) | 用于由预成形坯形成永磁体的模具和方法以及热变形*** | |
US20160055969A1 (en) | Manufacturing method of rare-earth magnet | |
WO2014080852A1 (ja) | 希土類磁石の製造方法 | |
CN104624895A (zh) | 前向挤出锻造装置和前向挤出锻造方法 | |
CN108115139B (zh) | 生产热变形磁体的方法和设备 | |
JP6890424B2 (ja) | 熱変形磁石の製造方法及び機器 | |
CN108231311B (zh) | 制备钕铁硼磁体的装置、钕铁硼磁体及其制备方法 | |
US9847169B2 (en) | Method of production rare-earth magnet | |
JP6985119B2 (ja) | 熱変形磁性体の製造方法及び機器 | |
CN110111990B (zh) | 一种热变形永磁体及其制备方法 | |
JP2020092167A (ja) | 円弧状永久磁石およびその製造方法 | |
JP6354684B2 (ja) | 塑性加工方法 | |
WO2015097517A1 (en) | Forward extrusion forging apparatus and forward extrusion forging method | |
CN108242334B (zh) | 稀土磁铁的制造方法 | |
JP6424754B2 (ja) | 成形体の製造方法 | |
CN116487172A (zh) | 一种适用于钕铁硼永磁片的复合式挤压成形装置及方法 | |
JP2583113B2 (ja) | 希土類磁石の製造方法 | |
JP2013138111A (ja) | 希土類磁石の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |