JP5095111B2 - 流体軸受装置 - Google Patents
流体軸受装置 Download PDFInfo
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- JP5095111B2 JP5095111B2 JP2006077293A JP2006077293A JP5095111B2 JP 5095111 B2 JP5095111 B2 JP 5095111B2 JP 2006077293 A JP2006077293 A JP 2006077293A JP 2006077293 A JP2006077293 A JP 2006077293A JP 5095111 B2 JP5095111 B2 JP 5095111B2
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- housing
- peripheral surface
- bearing
- bearing sleeve
- inner peripheral
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2 軸部材
7 ハウジング
8 軸受スリーブ
9 シール部
11 環状溝
12 可動型
13 固定型
14 環状部材
A 外側部材
B 中間部材
C 内側部材
R1、R2 ラジアル軸受部
T1、T2 スラスト軸受部
S シール空間
Claims (2)
- 軸部材と、金属製の軸受スリーブと、内周面に軸受スリーブの外周面が圧入接着により固定され、樹脂で射出成形されたハウジングと、軸部材の外周面と軸受スリーブの内周面との間に形成され、潤滑流体で満たされたラジアル軸受隙間とを備え、ラジアル軸受隙間に形成された潤滑膜で軸部材を回転自在に支持する流体軸受装置において、
ハウジングの内周面のうち、ラジアル軸受隙間の軸方向領域を避けた軸方向位置に、成形面からなる円周方向の凹部を設け、前記凹部が熱硬化性接着剤が充満された接着剤溜りとなることを特徴とする流体軸受装置。 - 軸部材と、金属製の軸受スリーブと、内周面に軸受スリーブの外周面が圧入接着により固定されたハウジングと、軸部材の外周面と軸受スリーブの内周面との間に形成され、潤滑流体で満たされたラジアル軸受隙間とを備え、ラジアル軸受隙間に形成された潤滑膜で軸部材を回転自在に支持する流体軸受装置の製造方法であって、
ハウジングを樹脂で射出成形するにあたり、金型のシャフト部の外周に凹部形成部材を配置するステップと、キャビティに溶融樹脂を射出し、ハウジング及び凹部形成部材を一体に成形するステップと、凹部形成部材をハウジングの内周面から除去することにより、ハウジングの内周面のうち、ラジアル軸受隙間の軸方向領域を避けた軸方向位置に、成形面からなる円周方向の凹部を形成するステップとを有し、
前記凹部に熱硬化性接着剤を充満させた状態で、ハウジングの内周に軸受スリーブを挿入し、これらを昇温することにより、前記熱硬化性接着剤を硬化させる流体軸受装置の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006077293A JP5095111B2 (ja) | 2006-03-20 | 2006-03-20 | 流体軸受装置 |
US12/293,514 US8403565B2 (en) | 2006-03-20 | 2007-03-13 | Fluid dynamic bearing device |
KR1020087024909A KR20080102304A (ko) | 2006-03-20 | 2007-03-13 | 유체 베어링 장치 |
PCT/JP2007/054903 WO2007108361A1 (ja) | 2006-03-20 | 2007-03-13 | 流体軸受装置 |
CN200780009490XA CN101405512B (zh) | 2006-03-20 | 2007-03-13 | 流体轴承装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006077293A JP5095111B2 (ja) | 2006-03-20 | 2006-03-20 | 流体軸受装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007255449A JP2007255449A (ja) | 2007-10-04 |
JP5095111B2 true JP5095111B2 (ja) | 2012-12-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006077293A Active JP5095111B2 (ja) | 2006-03-20 | 2006-03-20 | 流体軸受装置 |
Country Status (2)
Country | Link |
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JP (1) | JP5095111B2 (ja) |
CN (1) | CN101405512B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8445967B2 (en) | 2009-02-24 | 2013-05-21 | International Business Machines Corporation | Semiconductor switching device employing a quantum dot structure |
US8624318B2 (en) | 2009-03-18 | 2014-01-07 | International Business Machines Corporation | Semiconductor switching circuit employing quantum dot structures |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011077883A1 (ja) * | 2009-12-24 | 2011-06-30 | Ntn株式会社 | 流体動圧軸受装置 |
WO2011145426A1 (ja) * | 2010-05-21 | 2011-11-24 | Ntn株式会社 | 軸受部材及びこれを用いた流体動圧軸受装置 |
JP6502036B2 (ja) * | 2014-08-05 | 2019-04-17 | Ntn株式会社 | 流体動圧軸受装置及びこれを備えるモータ |
CN111433472B (zh) * | 2017-12-08 | 2021-12-28 | Ntn株式会社 | 流体动压轴承装置 |
JP2023047578A (ja) * | 2021-09-27 | 2023-04-06 | Ntn株式会社 | 動圧軸受及びこれを備えた流体動圧軸受装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11273236A (ja) * | 1998-03-19 | 1999-10-08 | Matsushita Electric Ind Co Ltd | 磁気ディスク駆動用スピンドルモータ |
JP2001140866A (ja) * | 1999-11-17 | 2001-05-22 | Seiko Instruments Inc | 流体動圧軸受及びスピンドルモータ |
US7265467B2 (en) * | 2003-11-07 | 2007-09-04 | Nidec Corporation | Fluid dynamic pressure bearing and spindle motor |
JP4556621B2 (ja) * | 2003-11-07 | 2010-10-06 | 日本電産株式会社 | 流体動圧軸受及びスピンドルモータ |
JP2005163903A (ja) * | 2003-12-02 | 2005-06-23 | Ntn Corp | 動圧軸受装置 |
JP4476670B2 (ja) * | 2004-03-30 | 2010-06-09 | Ntn株式会社 | 流体軸受装置 |
-
2006
- 2006-03-20 JP JP2006077293A patent/JP5095111B2/ja active Active
-
2007
- 2007-03-13 CN CN200780009490XA patent/CN101405512B/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8445967B2 (en) | 2009-02-24 | 2013-05-21 | International Business Machines Corporation | Semiconductor switching device employing a quantum dot structure |
US8624318B2 (en) | 2009-03-18 | 2014-01-07 | International Business Machines Corporation | Semiconductor switching circuit employing quantum dot structures |
Also Published As
Publication number | Publication date |
---|---|
CN101405512A (zh) | 2009-04-08 |
JP2007255449A (ja) | 2007-10-04 |
CN101405512B (zh) | 2010-09-29 |
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