CN1249887C - 主轴电动机及其组装方法 - Google Patents
主轴电动机及其组装方法 Download PDFInfo
- Publication number
- CN1249887C CN1249887C CNB021228345A CN02122834A CN1249887C CN 1249887 C CN1249887 C CN 1249887C CN B021228345 A CNB021228345 A CN B021228345A CN 02122834 A CN02122834 A CN 02122834A CN 1249887 C CN1249887 C CN 1249887C
- Authority
- CN
- China
- Prior art keywords
- axle
- flange
- drive motor
- spindle drive
- face
- 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
- 238000000034 method Methods 0.000 title claims description 54
- 238000003466 welding Methods 0.000 claims description 82
- 239000012530 fluid Substances 0.000 claims description 29
- 230000001050 lubricating effect Effects 0.000 claims description 29
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 238000000227 grinding Methods 0.000 claims description 7
- 230000035939 shock Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 239000011435 rock Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000000994 depressogenic effect Effects 0.000 description 6
- 239000007767 bonding agent Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 241000237970 Conus <genus> Species 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000007 visual effect 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
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000002583 cell-derived microparticle Anatomy 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 206010068051 Chimerism Diseases 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000011179 visual inspection Methods 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
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact 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
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/26—Systems consisting of a plurality of sliding-contact 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
- 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
- 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
- G11B19/2018—Incorporating means for passive damping of vibration, either in the turntable, motor or mounting
-
- 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
- H02K5/1675—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 rotary shaft at only one end of the rotor
-
- 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)
- Fluid Mechanics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Brushless Motors (AREA)
Abstract
Description
Claims (17)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001173672 | 2001-06-08 | ||
JP2001173672A JP2002369438A (ja) | 2001-06-08 | 2001-06-08 | スピンドルモータ及びその組立方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1391325A CN1391325A (zh) | 2003-01-15 |
CN1249887C true CN1249887C (zh) | 2006-04-05 |
Family
ID=19015090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021228345A Expired - Lifetime CN1249887C (zh) | 2001-06-08 | 2002-06-07 | 主轴电动机及其组装方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6717310B2 (zh) |
JP (1) | JP2002369438A (zh) |
CN (1) | CN1249887C (zh) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6888278B2 (en) * | 2001-09-13 | 2005-05-03 | Nidec Corporation | Spindle motor and disk drive utilizing the spindle motor |
US6836388B2 (en) * | 2001-09-13 | 2004-12-28 | Nidec Corporation | Spindle motor and disk drive utilizing the spindle motor |
US6982510B1 (en) * | 2001-12-20 | 2006-01-03 | Seagate Technology Llc | Low profile fluid dynamic bearing |
JP3828457B2 (ja) * | 2002-06-13 | 2006-10-04 | 日本電産株式会社 | スピンドルモータ及びこれを備えたディスク駆動装置 |
US6939046B2 (en) * | 2002-07-15 | 2005-09-06 | Minebea Co., Ltd. | Hydrodynamic bearing, spindle motor and hard disk drive |
JP2004144284A (ja) * | 2002-08-28 | 2004-05-20 | Seiko Instruments Inc | 流体動圧軸受装置、モータ、および記録媒体駆動装置 |
WO2004094848A1 (ja) * | 2003-04-24 | 2004-11-04 | Matsushita Electric Industrial Co., Ltd. | 流体軸受装置及びディスク回転装置 |
JP2005027431A (ja) * | 2003-07-02 | 2005-01-27 | Nippon Densan Corp | モータ |
JP2005042838A (ja) * | 2003-07-23 | 2005-02-17 | Ntn Corp | 流体軸受装置 |
JP2005121066A (ja) * | 2003-10-15 | 2005-05-12 | Nippon Densan Corp | 流体動圧軸受装置の製造方法及びそれを備えたディスク駆動用スピンドルモータ |
US7423839B2 (en) * | 2004-03-19 | 2008-09-09 | Seagate Technology Llc | Low power support pads for moment loading and associated methods |
US20050275299A1 (en) * | 2004-06-09 | 2005-12-15 | Sunonwealth Electric Machine Industry Co., Ltd. | Motor with rotational balancing structure |
JP4274476B2 (ja) * | 2004-08-31 | 2009-06-10 | ミネベア株式会社 | 流体動圧軸受及び該流体動圧軸受を備えたスピンドルモータ、記録ディスク駆動装置 |
JP4661200B2 (ja) * | 2004-12-13 | 2011-03-30 | 日本電産株式会社 | 潤滑流体の漏洩防止向上する部材の接合方法および該接合方法を用いたスピンドルモータおよび該スピンドルモータを用いた記録ディスク駆動装置 |
US7675210B2 (en) * | 2005-03-11 | 2010-03-09 | Panasonic Corporation | Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same |
DE102005022013B4 (de) * | 2005-05-12 | 2010-06-17 | Minebea Co., Ltd., Miyota-machi | Fluiddynamisches Drucklager und Verfahren zum Verbinden von Bauteilen eines fluiddynamischen Drucklagers |
WO2006123773A1 (ja) * | 2005-05-19 | 2006-11-23 | Matsushita Electric Industrial Co., Ltd. | スピンドルモータおよびそれを用いたディスク駆動装置 |
US20090309439A1 (en) * | 2005-07-19 | 2009-12-17 | Panasonic Corporation | Hydrodynamic bearing device |
JP2007228707A (ja) * | 2006-02-22 | 2007-09-06 | Nippon Densan Corp | スピンドルモータ |
JP2007252168A (ja) * | 2006-03-20 | 2007-09-27 | Matsushita Electric Ind Co Ltd | 流体軸受式回転装置 |
JP2007292107A (ja) * | 2006-04-21 | 2007-11-08 | Matsushita Electric Ind Co Ltd | 流体軸受式回転装置 |
JP5112741B2 (ja) * | 2006-06-06 | 2013-01-09 | 日本電産サンキョー株式会社 | 渦流ポンプ |
JP2007333134A (ja) * | 2006-06-16 | 2007-12-27 | Matsushita Electric Ind Co Ltd | 流体軸受式回転装置 |
US8297844B2 (en) * | 2007-08-20 | 2012-10-30 | Ntn Corporation | Fluid dynamic bearing device |
EP2198173A4 (en) * | 2007-10-09 | 2012-01-04 | Smartin Technologies Llc | COMPACT CONTACT-FREE MECHANICAL COUPLING, DAMPING AND / OR SUPPORTING DEVICE |
JP5312895B2 (ja) * | 2008-10-14 | 2013-10-09 | Ntn株式会社 | 流体軸受装置 |
KR101033651B1 (ko) * | 2008-12-26 | 2011-05-12 | 삼성전기주식회사 | 모터 |
TWI386558B (zh) * | 2009-03-18 | 2013-02-21 | Metal Ind Res & Dev Ct | Drive and its bearings |
DE102009019170B4 (de) * | 2009-04-28 | 2013-10-31 | Minebea Co., Ltd. | Fluiddynamisches Lager |
JP2011024351A (ja) * | 2009-07-16 | 2011-02-03 | Nippon Densan Corp | スピンドルモータ、ディスク駆動装置、及びスピンドルモータの製造方法 |
TWI418707B (zh) | 2010-09-03 | 2013-12-11 | Delta Electronics Inc | 風扇及其製造方法 |
KR101240863B1 (ko) * | 2010-12-29 | 2013-03-11 | 삼성전기주식회사 | 스핀들 모터 |
KR20120086057A (ko) * | 2011-01-25 | 2012-08-02 | 삼성전기주식회사 | 유체 동압 베어링 어셈블리 및 이를 포함하는 모터 |
CN103415716B (zh) * | 2011-03-09 | 2016-06-08 | Ntn株式会社 | 流体动压轴承装置 |
JP2013030242A (ja) * | 2011-07-28 | 2013-02-07 | Alphana Technology Co Ltd | 回転機器 |
JP5845715B2 (ja) * | 2011-08-19 | 2016-01-20 | 日本電産株式会社 | スピンドルモータ、ディスク駆動装置、およびスピンドルモータの製造方法 |
KR101275304B1 (ko) * | 2012-03-29 | 2013-06-17 | 삼성전기주식회사 | 스핀들 모터 |
CN104634688B (zh) * | 2015-02-13 | 2017-08-11 | 清华大学 | 刀具切削以及磨削测试仪 |
FR3066968B1 (fr) * | 2017-06-02 | 2021-01-01 | Valeo Systemes Dessuyage | Moto-reducteur pour systeme d'essuyage de vehicule automobile |
TWI648938B (zh) * | 2017-12-29 | 2019-01-21 | 建準電機工業股份有限公司 | 馬達 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05161328A (ja) | 1991-12-04 | 1993-06-25 | Canon Electron Inc | ディスク駆動装置 |
JPH0833300A (ja) * | 1994-07-14 | 1996-02-02 | Matsushita Electric Ind Co Ltd | ブラシレスモータ |
JP3768571B2 (ja) * | 1995-10-06 | 2006-04-19 | 日本電産株式会社 | スピンドルモータ |
JP3184794B2 (ja) | 1997-12-18 | 2001-07-09 | セイコーインスツルメンツ株式会社 | スピンドルモータ、及びスピンドルモータを回転体の駆動源とする回転体装置 |
JPH11280755A (ja) | 1998-03-30 | 1999-10-15 | Matsushita Electric Ind Co Ltd | 流体軸受装置及びこれを用いたスピンドルモータ |
JP4032517B2 (ja) | 1998-07-24 | 2008-01-16 | 松下電器産業株式会社 | 流体軸受ブラシレスモータ |
JP3466945B2 (ja) * | 1999-01-05 | 2003-11-17 | 日本電産株式会社 | 記録ディスク駆動用モータ及びこれを備えた記録ディスク駆動装置 |
JP2000274428A (ja) | 1999-03-25 | 2000-10-03 | Seiko Instruments Inc | スピンドルモータ及びその組み立て方法 |
JP2000350408A (ja) * | 1999-03-29 | 2000-12-15 | Nippon Densan Corp | 記録ディスク駆動用モータ |
US6343877B1 (en) * | 1999-04-15 | 2002-02-05 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Spindle motor |
JP3655492B2 (ja) | 1999-04-28 | 2005-06-02 | 株式会社三協精機製作所 | スピンドルモータ |
-
2001
- 2001-06-08 JP JP2001173672A patent/JP2002369438A/ja active Pending
-
2002
- 2002-05-23 US US10/152,820 patent/US6717310B2/en not_active Expired - Fee Related
- 2002-06-07 CN CNB021228345A patent/CN1249887C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6717310B2 (en) | 2004-04-06 |
US20020185925A1 (en) | 2002-12-12 |
JP2002369438A (ja) | 2002-12-20 |
CN1391325A (zh) | 2003-01-15 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140527 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20140527 Address after: Ehime Prefecture, Japan Patentee after: Panasonic Healthcare Co., Ltd Address before: Japan Osaka Patentee before: Matsushita Electric Industrial Co., Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: PANASONIC HEALTHCARE HOLDINGS CO., LTD. Free format text: FORMER OWNER: PANASONIC HEALTHCARE + MEDICAL EQUIPMENT CO., LTD. Effective date: 20150403 |
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TR01 | Transfer of patent right |
Effective date of registration: 20150403 Address after: Tokyo, Japan Patentee after: Panasonic's health medical treatment is controlled interest Co., Ltd. Address before: Ehime Prefecture, Japan Patentee before: Panasonic Healthcare Co., Ltd |
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CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Pu Hei holding company Address before: Tokyo, Japan Patentee before: Panasonic's health medical treatment is controlled interest Co., Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20060405 |