JP5519196B2 - ディスク駆動装置 - Google Patents

ディスク駆動装置 Download PDF

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Publication number
JP5519196B2
JP5519196B2 JP2009150212A JP2009150212A JP5519196B2 JP 5519196 B2 JP5519196 B2 JP 5519196B2 JP 2009150212 A JP2009150212 A JP 2009150212A JP 2009150212 A JP2009150212 A JP 2009150212A JP 5519196 B2 JP5519196 B2 JP 5519196B2
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JP
Japan
Prior art keywords
groove
disk drive
base
bearing hole
adhesive
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 - Fee Related
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JP2009150212A
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English (en)
Japanese (ja)
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JP2011008851A5 (https=
JP2011008851A (ja
Inventor
直樹 進士
卓司 山田
Original Assignee
サムスン電機ジャパンアドバンスドテクノロジー株式会社
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by サムスン電機ジャパンアドバンスドテクノロジー株式会社 filed Critical サムスン電機ジャパンアドバンスドテクノロジー株式会社
Priority to JP2009150212A priority Critical patent/JP5519196B2/ja
Priority to US12/769,596 priority patent/US8427779B2/en
Publication of JP2011008851A publication Critical patent/JP2011008851A/ja
Publication of JP2011008851A5 publication Critical patent/JP2011008851A5/ja
Application granted granted Critical
Publication of JP5519196B2 publication Critical patent/JP5519196B2/ja
Expired - Fee Related legal-status Critical Current
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Classifications

    • 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
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/02—Rigid support of bearing units; Housings, e.g. caps, covers in the case of sliding-contact bearings
    • 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
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Rotational Drive Of Disk (AREA)
  • Motor Or Generator Frames (AREA)
JP2009150212A 2009-06-24 2009-06-24 ディスク駆動装置 Expired - Fee Related JP5519196B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009150212A JP5519196B2 (ja) 2009-06-24 2009-06-24 ディスク駆動装置
US12/769,596 US8427779B2 (en) 2009-06-24 2010-04-28 Disk drive device with bearing with improved impact resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009150212A JP5519196B2 (ja) 2009-06-24 2009-06-24 ディスク駆動装置

Publications (3)

Publication Number Publication Date
JP2011008851A JP2011008851A (ja) 2011-01-13
JP2011008851A5 JP2011008851A5 (https=) 2012-07-05
JP5519196B2 true JP5519196B2 (ja) 2014-06-11

Family

ID=43380446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009150212A Expired - Fee Related JP5519196B2 (ja) 2009-06-24 2009-06-24 ディスク駆動装置

Country Status (2)

Country Link
US (1) US8427779B2 (https=)
JP (1) JP5519196B2 (https=)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5704387B2 (ja) * 2010-10-19 2015-04-22 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
JP5838734B2 (ja) * 2010-12-27 2016-01-06 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
JP2012145157A (ja) * 2011-01-11 2012-08-02 Alphana Technology Co Ltd 回転機器および回転機器を製造する方法
JP5718090B2 (ja) * 2011-02-22 2015-05-13 サムスン電機ジャパンアドバンスドテクノロジー株式会社 回転機器
JP2013030237A (ja) * 2011-07-27 2013-02-07 Alphana Technology Co Ltd 回転機器及びその製造方法
JP2013161501A (ja) * 2012-02-06 2013-08-19 Samsung Electromechanics Japan Advanced Technology Co Ltd 回転機器を製造する方法
KR101376946B1 (ko) * 2012-07-05 2014-03-21 삼성전기주식회사 스핀들 모터
JP2014103726A (ja) * 2012-11-19 2014-06-05 Nippon Densan Corp スピンドルモータおよびディスク駆動装置
CN104728133B (zh) * 2013-12-20 2019-12-10 日本电产株式会社 风扇
US20150263585A1 (en) * 2014-03-13 2015-09-17 Seagate Technology Llc Fastener coupling radially inside a stator assembly
CN105262251B (zh) * 2014-07-09 2018-05-25 苹果公司 电机互连设备
JP6184934B2 (ja) * 2014-12-10 2017-08-23 ミネベアミツミ株式会社 モータ
JP2017028895A (ja) * 2015-07-24 2017-02-02 日本電産株式会社 スピンドルモータおよびディスク駆動装置
JP2017027644A (ja) * 2015-07-24 2017-02-02 日本電産株式会社 スピンドルモータおよびディスク駆動装置
CN109477493B (zh) * 2016-06-24 2021-06-15 日本电产伺服有限公司 送风装置
GB2563617B (en) * 2017-06-20 2020-04-08 Dyson Technology Ltd An electric machine
US10839841B2 (en) * 2018-10-29 2020-11-17 Seagate Technology Llc Minimization of thermal magnetoresistive offset change

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3404466A1 (de) * 1984-02-08 1985-08-08 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Aussenlaeufermotor
US5097164A (en) * 1988-12-29 1992-03-17 Canon Kabushiki Kaisha Hermetically sealed type dynamic pressure fluid bearing motor
US5452156A (en) * 1991-07-04 1995-09-19 Nippon Densan Corporation Spindle motor with combined pressure relief and adhesive carrying annular recesses
JPH0660533A (ja) * 1992-08-11 1994-03-04 Tdk Corp ハードディスク回転用スピンドルモータ
US5373407A (en) * 1992-11-12 1994-12-13 Mitsumi Electric Co., Ltd. Disk drive spindle motor
US6242826B1 (en) * 1998-07-27 2001-06-05 Matsushita Electric Industrial Co., Ltd. Spindle motor and disc driving apparatus comprising the same
JP2000082252A (ja) * 1998-09-04 2000-03-21 Matsushita Electric Ind Co Ltd 固定磁気ディスク駆動装置とその製造方法
JP2000175405A (ja) * 1998-10-01 2000-06-23 Seiko Instruments Inc スピンドルモ―タ
JP2002233100A (ja) * 2001-01-31 2002-08-16 Minebea Co Ltd スピンドルモータおよび軸受アッセンブリ
JP2003314537A (ja) * 2002-04-23 2003-11-06 Sony Corp 軸受けユニット、軸受けユニットを有するモータおよび電子機器
US7005768B2 (en) * 2002-11-26 2006-02-28 Nidec Corporation Dynamic bearing device, producing method thereof, and motor using the same
JP2005045924A (ja) * 2003-07-22 2005-02-17 Nippon Densan Corp スピンドルモータ、このスピンドルモータに適用されるロータの製造方法、及びこのスピンドルモータを備えたハードディスク駆動装置
JP2005114106A (ja) * 2003-10-09 2005-04-28 Sankyo Seiki Mfg Co Ltd 動圧軸受装置およびその製造方法、ならびにディスク駆動装置
JP2005229741A (ja) * 2004-02-13 2005-08-25 Tokyo Parts Ind Co Ltd スピンドルモータ
JP4476670B2 (ja) * 2004-03-30 2010-06-09 Ｎｔｎ株式会社 流体軸受装置
JP4023746B2 (ja) * 2005-02-23 2007-12-19 日本発条株式会社 ハード・ディスク・ドライブ用のベース及び製造方法
US7088023B1 (en) * 2005-04-22 2006-08-08 Nidec Corporation Motor unit, manufacturing method therefor and recording disk driving apparatus
JP2007006692A (ja) * 2005-05-24 2007-01-11 Nippon Densan Corp 記録ディスク駆動用スピンドルモータを備えたモータユニット、および、これを備えた記録ディスク駆動装置
JP4571593B2 (ja) 2006-01-30 2010-10-27 アルファナテクノロジー株式会社 モータ
JP4723620B2 (ja) * 2008-08-05 2011-07-13 アルファナテクノロジー株式会社 スピンドルモータ

Also Published As

Publication number Publication date
US20100328819A1 (en) 2010-12-30
US8427779B2 (en) 2013-04-23
JP2011008851A (ja) 2011-01-13

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