CN1089962C - 具有动压流体轴承的主轴装置 - Google Patents
具有动压流体轴承的主轴装置 Download PDFInfo
- Publication number
- CN1089962C CN1089962C CN98119175A CN98119175A CN1089962C CN 1089962 C CN1089962 C CN 1089962C CN 98119175 A CN98119175 A CN 98119175A CN 98119175 A CN98119175 A CN 98119175A CN 1089962 C CN1089962 C CN 1089962C
- Authority
- CN
- China
- Prior art keywords
- main shaft
- shaft device
- sleeve
- carriage
- dynamic pressure
- 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.)
- Expired - Lifetime
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 126
- 230000001050 lubricating effect Effects 0.000 claims abstract description 76
- 239000003595 mist Substances 0.000 claims abstract description 35
- 230000002093 peripheral effect Effects 0.000 claims description 49
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 14
- 239000011553 magnetic fluid Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims description 6
- 230000007717 exclusion Effects 0.000 claims 12
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 27
- 230000003321 amplification Effects 0.000 description 12
- 238000003199 nucleic acid amplification method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101000606504 Drosophila melanogaster Tyrosine-protein kinase-like otk Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/74—Sealings of sliding-contact bearings
- F16C33/741—Sealings of sliding-contact bearings by means of a fluid
- F16C33/743—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap
- F16C33/746—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by a magnetic field
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone grooves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
- F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/107—Grooves for generating pressure
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/022—Positioning or locking of single discs
- G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
- G11B17/0282—Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1677—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2370/00—Apparatus relating to physics, e.g. instruments
- F16C2370/12—Hard disk drives or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Sealing Of Bearings (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP248037/97 | 1997-09-12 | ||
JP24803797 | 1997-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1211846A CN1211846A (zh) | 1999-03-24 |
CN1089962C true CN1089962C (zh) | 2002-08-28 |
Family
ID=17172266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98119175A Expired - Lifetime CN1089962C (zh) | 1997-09-12 | 1998-09-11 | 具有动压流体轴承的主轴装置 |
Country Status (3)
Country | Link |
---|---|
US (3) | US6219199B1 (zh) |
CN (1) | CN1089962C (zh) |
SG (1) | SG92616A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1921268B (zh) * | 2003-03-31 | 2010-12-01 | 松下电器产业株式会社 | 主轴电机 |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SG92616A1 (en) * | 1997-09-12 | 2002-11-19 | Matsushita Electric Ind Co Ltd | Spindle device having a dynamic-pressure-fluid bearing |
JP4215365B2 (ja) | 1999-02-16 | 2009-01-28 | 株式会社日立グローバルストレージテクノロジーズ | スピンドルモータとそれを用いた磁気ディスク装置 |
US6657348B2 (en) * | 2000-11-02 | 2003-12-02 | Capstone Turbine Corporation | Rotor shield for magnetic rotary machine |
CN1219159C (zh) * | 2001-04-13 | 2005-09-14 | 株式会社三协精机制作所 | 动压轴承装置 |
US6741007B2 (en) * | 2001-07-27 | 2004-05-25 | Beacon Power Corporation | Permanent magnet motor assembly having a device and method of reducing parasitic losses |
JP3925155B2 (ja) * | 2001-10-24 | 2007-06-06 | ソニー株式会社 | 軸受けユニットおよび軸受けユニットを有するモータ |
JP3984462B2 (ja) * | 2001-11-26 | 2007-10-03 | 日本電産株式会社 | 動圧軸受装置 |
US6746151B2 (en) | 2002-01-14 | 2004-06-08 | Seagate Technology Llc | Parallel capillary seal for a disk drive |
US6980393B2 (en) * | 2002-03-12 | 2005-12-27 | Minebea Co., Ltd. | Low power spindle motor with a fluid dynamic thrust bearing having a reduced outer diameter |
DE10238558A1 (de) * | 2002-03-12 | 2003-10-16 | Minebea Co Ltd | Hydrodynamisches Lager für einen Spindelmotor |
US6982513B2 (en) | 2002-09-27 | 2006-01-03 | Nidec Corporation | Recording disk drive motor, recording disk drive employing the motor, a method of manufacturing a stator used in the recording disk drive motor, and core plate that is used in the manufacture of the stator |
US7113365B1 (en) * | 2002-12-24 | 2006-09-26 | Western Digital Technologies, Inc. | Disk drive comprising a spindle motor having a windings shield for reduced disk voltage coupling |
JP2004266891A (ja) * | 2003-02-25 | 2004-09-24 | Matsushita Electric Ind Co Ltd | 動圧気体軸受モータ |
US6900568B2 (en) | 2003-04-16 | 2005-05-31 | Seagate Technology Llc | Fluid dynamic bearing motor configured with an integrated counterplate to contain bearing fluid |
WO2005121575A1 (ja) * | 2004-06-11 | 2005-12-22 | Seiko Instruments Inc. | 流体動圧軸受、モータおよび記録媒体駆動装置 |
JP4639833B2 (ja) * | 2004-06-23 | 2011-02-23 | 日本電産株式会社 | スピンドルモータ及びこのスピンドルモータを備えた記録ディスク駆動装置 |
JP4473716B2 (ja) * | 2004-12-01 | 2010-06-02 | ミネベア株式会社 | 流体動圧軸受装置及び該流体動圧軸受装置を備えたスピンドルモ−タ、記録ディスク駆動装置 |
JP2006280046A (ja) * | 2005-03-28 | 2006-10-12 | Nippon Densan Corp | スピンドルモータ及びこのスピンドルモータを備えた記録ディスク駆動装置 |
DE102006048895A1 (de) * | 2006-10-17 | 2008-05-29 | Minebea Co., Ltd. | Fluiddynamisches Lagersystem |
KR100904743B1 (ko) * | 2007-06-07 | 2009-06-26 | 삼성전기주식회사 | 선형 진동 발생장치 |
US20080310049A1 (en) * | 2007-06-12 | 2008-12-18 | Jr-Yi Shen | Fluid dyamic bearing with novel air-gap |
US8353630B2 (en) * | 2007-10-09 | 2013-01-15 | Hgst, Netherlands B.V. | Fluid dynamic bearing with a labyrinth seal |
JP4347395B2 (ja) * | 2008-03-13 | 2009-10-21 | ファナック株式会社 | ロータ側から駆動用流体を噴射することにより駆動するスピンドル |
US8157447B2 (en) * | 2008-04-13 | 2012-04-17 | Seagate Technology Llc | Groove configuration for a fluid dynamic bearing |
KR101046127B1 (ko) * | 2010-04-23 | 2011-07-01 | 삼성전기주식회사 | 모터 및 이를 탑재한 디스크 구동장치 |
JP2012193837A (ja) * | 2010-08-09 | 2012-10-11 | Nippon Densan Corp | スピンドルモータおよびディスク駆動装置 |
JP2012193840A (ja) * | 2010-08-09 | 2012-10-11 | Nippon Densan Corp | スピンドルモータおよびディスク駆動装置 |
KR20130011284A (ko) * | 2011-07-21 | 2013-01-30 | 삼성전기주식회사 | 모터 및 이를 구비하는 기록 디스크 구동장치 |
KR101275360B1 (ko) | 2011-08-02 | 2013-06-17 | 삼성전기주식회사 | 코어설치부를 갖는 모터 |
JP2013034373A (ja) * | 2011-08-02 | 2013-02-14 | Samsung Electro-Mechanics Co Ltd | スピンドルモータ及びそれを含むハードディスクドライブ |
KR101275304B1 (ko) | 2012-03-29 | 2013-06-17 | 삼성전기주식회사 | 스핀들 모터 |
JP2014173655A (ja) * | 2013-03-08 | 2014-09-22 | Samsung Electromechanics Japan Advanced Technology Co Ltd | ディスク駆動装置 |
CN114433585B (zh) * | 2021-12-31 | 2023-07-25 | 安徽银锐智能科技股份有限公司 | 盘刷组件及玻璃清洗机 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5770906A (en) * | 1995-06-13 | 1998-06-23 | Sae Magnetics (H.K.) Ltd. | Compact electric motor construction employing fluid bearings |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3145820B2 (ja) | 1992-12-02 | 2001-03-12 | 日本電産株式会社 | スピンドルモータ |
JP3234030B2 (ja) | 1993-02-15 | 2001-12-04 | 日本電産株式会社 | スピンドルモータ |
JPH06311695A (ja) | 1993-04-20 | 1994-11-04 | Nippon Densan Corp | スピンドルモータ |
JP3635541B2 (ja) | 1993-04-22 | 2005-04-06 | 日本電産株式会社 | スピンドルモータ |
JP3320832B2 (ja) | 1993-04-30 | 2002-09-03 | 日本電産株式会社 | スピンドルモータ |
JP3434009B2 (ja) | 1994-03-23 | 2003-08-04 | 日本電産株式会社 | スピンドルモータ |
JP3519457B2 (ja) | 1994-06-09 | 2004-04-12 | 日本電産株式会社 | スピンドルモータ |
JP2937833B2 (ja) | 1994-11-15 | 1999-08-23 | 株式会社三協精機製作所 | 軸受のシール装置 |
JP2937835B2 (ja) | 1994-11-29 | 1999-08-23 | 株式会社三協精機製作所 | 軸受のシール装置 |
JP3558710B2 (ja) | 1994-12-02 | 2004-08-25 | 日本電産株式会社 | 電動機 |
JP3593372B2 (ja) | 1994-12-02 | 2004-11-24 | 日本電産株式会社 | 動圧流体軸受手段を備えたモータ |
JP3558709B2 (ja) * | 1994-12-02 | 2004-08-25 | 日本電産株式会社 | 動圧流体軸受手段を備えたモータ |
JP3625884B2 (ja) | 1994-12-05 | 2005-03-02 | 日本電産株式会社 | 動圧流体軸受を備えたモータ |
JP3597894B2 (ja) * | 1994-12-05 | 2004-12-08 | 日本電産株式会社 | 動圧流体軸受手段を備えたモータ |
JP2937839B2 (ja) | 1994-12-06 | 1999-08-23 | 株式会社三協精機製作所 | 軸受のシール装置 |
JP2937840B2 (ja) | 1994-12-09 | 1999-08-23 | 株式会社三協精機製作所 | 軸受のシール装置 |
JP3558728B2 (ja) * | 1995-02-27 | 2004-08-25 | 日本電産株式会社 | 動圧流体軸受を備えたモータ |
JP2641035B2 (ja) | 1994-12-16 | 1997-08-13 | 日本電産株式会社 | 動圧流体軸受を備えたモータ |
JP3593378B2 (ja) | 1995-01-31 | 2004-11-24 | 日本電産株式会社 | 動圧流体軸受を備えたモータ |
JP3633992B2 (ja) | 1995-03-17 | 2005-03-30 | 日本電産株式会社 | 動圧軸受装置 |
JP3628753B2 (ja) | 1995-03-31 | 2005-03-16 | 日本電産株式会社 | 軸受装置の流体潤滑剤注入方法 |
DE59610129D1 (de) * | 1995-09-08 | 2003-03-20 | Siemens Schweiz Ag Zuerich | Verfahren und vorrichtung zum einschleusen von stückgutteilen |
SG92616A1 (en) * | 1997-09-12 | 2002-11-19 | Matsushita Electric Ind Co Ltd | Spindle device having a dynamic-pressure-fluid bearing |
-
1998
- 1998-09-02 SG SG9803398A patent/SG92616A1/en unknown
- 1998-09-11 US US09/151,734 patent/US6219199B1/en not_active Expired - Lifetime
- 1998-09-11 CN CN98119175A patent/CN1089962C/zh not_active Expired - Lifetime
-
2001
- 2001-02-13 US US09/781,425 patent/US6301074B2/en not_active Expired - Lifetime
- 2001-08-17 US US09/931,411 patent/US6404586B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5770906A (en) * | 1995-06-13 | 1998-06-23 | Sae Magnetics (H.K.) Ltd. | Compact electric motor construction employing fluid bearings |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1921268B (zh) * | 2003-03-31 | 2010-12-01 | 松下电器产业株式会社 | 主轴电机 |
Also Published As
Publication number | Publication date |
---|---|
CN1211846A (zh) | 1999-03-24 |
SG92616A1 (en) | 2002-11-19 |
US6404586B2 (en) | 2002-06-11 |
US20010005296A1 (en) | 2001-06-28 |
US6219199B1 (en) | 2001-04-17 |
US20020003678A1 (en) | 2002-01-10 |
US6301074B2 (en) | 2001-10-09 |
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