JP2013135103A5 - - Google Patents
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- JP2013135103A5 JP2013135103A5 JP2011284850A JP2011284850A JP2013135103A5 JP 2013135103 A5 JP2013135103 A5 JP 2013135103A5 JP 2011284850 A JP2011284850 A JP 2011284850A JP 2011284850 A JP2011284850 A JP 2011284850A JP 2013135103 A5 JP2013135103 A5 JP 2013135103A5
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- JP
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- Prior art keywords
- magnet
- poles
- cylindrical
- magnetic material
- manufacturing
- 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.)
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- 239000000696 magnetic material Substances 0.000 claims 8
- 238000004519 manufacturing process Methods 0.000 claims 7
- 238000000465 moulding Methods 0.000 claims 5
- 230000005415 magnetization Effects 0.000 claims 2
- 230000002093 peripheral Effects 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
Claims (8)
前記配向用磁石は、周方向に交互に配置されたN極およびS極を有する第一の永久磁石と、周方向に交互に配置されたN極およびS極を有し、前記軸方向に前記第一の永久磁石と隣接して配置された第二の永久磁石と、を有しており、
前記第一および第二の永久磁石は、前記軸方向において同極同士が向かい合うように配置されていることを特徴とする円筒状ボンド磁石の製造方法。 The magnetic material is magnetically oriented and melted by a step of filling a cylindrical molding space with a bonded magnet composition containing a magnetic material and a resin, and an orientation magnet disposed inside the molding space. A method of producing a cylindrical bonded magnet comprising a step of extruding a bonded magnet composition in the axial direction of the orientation magnet and forming the bonded magnet composition,
The orientation magnet has first permanent magnets having N poles and S poles alternately arranged in the circumferential direction, and N poles and S poles alternately arranged in the circumferential direction. A second permanent magnet disposed adjacent to the first permanent magnet,
Said 1st and 2nd permanent magnet is arrange | positioned so that the same pole may face in the said axial direction, The manufacturing method of the cylindrical bond magnet characterized by the above-mentioned.
前記配向用磁石は、周方向にN極とS極が交互に現れるように構成された第一の永久磁石と、その第一の永久磁石の軸方向に隣接して配置され、第一の永久磁石のN極およびS極に同極同士向かい合うN極およびS極が交互に現れるように構成された第二の永久磁石と、から構成されていることを特徴とする円筒状ボンド磁石の製造装置。 A cylindrical molding space filled with a bonded magnet composition containing a magnetic material and a resin, and an orientation magnet disposed inside the molding space for magnetically orienting the magnetic material are melted. A cylindrical bonded magnet manufacturing apparatus for extruding and molding the bonded magnet composition in the axial direction of the orientation magnet,
The orientation magnet is disposed adjacent to the first permanent magnet in the circumferential direction so that N poles and S poles appear alternately in the circumferential direction, and the first permanent magnet. An apparatus for producing a cylindrical bonded magnet, comprising: a second permanent magnet configured such that N and S poles facing each other on the N and S poles of the magnet alternately appear .
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011284850A JP6056141B2 (en) | 2011-12-27 | 2011-12-27 | Cylindrical bonded magnet manufacturing method and manufacturing apparatus thereof |
US13/727,449 US9597828B2 (en) | 2011-12-27 | 2012-12-26 | Method of manufacturing cylindrical bonded magnet and manufacturing equipment for cylindrical bonded magnet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011284850A JP6056141B2 (en) | 2011-12-27 | 2011-12-27 | Cylindrical bonded magnet manufacturing method and manufacturing apparatus thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013135103A JP2013135103A (en) | 2013-07-08 |
JP2013135103A5 true JP2013135103A5 (en) | 2015-02-19 |
JP6056141B2 JP6056141B2 (en) | 2017-01-11 |
Family
ID=48911601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011284850A Active JP6056141B2 (en) | 2011-12-27 | 2011-12-27 | Cylindrical bonded magnet manufacturing method and manufacturing apparatus thereof |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6056141B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6536289B2 (en) * | 2014-09-30 | 2019-07-03 | 日亜化学工業株式会社 | Bond magnet, bond magnet piece and method of manufacturing bond magnet |
CN112908664B (en) * | 2019-12-03 | 2022-12-20 | 北京中科三环高技术股份有限公司 | Method for preparing rare earth sintered magnet |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5169969U (en) * | 1975-09-23 | 1976-06-02 | ||
JPH0590053A (en) * | 1991-04-11 | 1993-04-09 | Kawasaki Steel Corp | Die for manufacturing multi-polar aeolotropic magnet |
JPH05101956A (en) * | 1991-06-27 | 1993-04-23 | Yokohama Sumitoku Denshi Kk | Manufacture of anisotropic magnet of cylindrical shape |
JPH09170004A (en) * | 1995-12-19 | 1997-06-30 | Nippon Koshuha Kogyo Kk | Method for molding radial anisotropic ring magnet and device therefor |
JP2001167963A (en) * | 1999-12-08 | 2001-06-22 | Bridgestone Corp | Method of manufacturing magnet and mold for molding magnet |
JP5651944B2 (en) * | 2009-11-30 | 2015-01-14 | 日亜化学工業株式会社 | Method for manufacturing cylindrical bonded magnet |
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2011
- 2011-12-27 JP JP2011284850A patent/JP6056141B2/en active Active
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