JP2002030386A - スピンドルモータおよびピボットアッシー - Google Patents

スピンドルモータおよびピボットアッシー

Info

Publication number
JP2002030386A
JP2002030386A JP2000217407A JP2000217407A JP2002030386A JP 2002030386 A JP2002030386 A JP 2002030386A JP 2000217407 A JP2000217407 A JP 2000217407A JP 2000217407 A JP2000217407 A JP 2000217407A JP 2002030386 A JP2002030386 A JP 2002030386A
Authority
JP
Japan
Prior art keywords
weight
spindle motor
shaft
corrosion resistance
steel
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.)
Pending
Application number
JP2000217407A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002030386A5 (cg-RX-API-DMAC10.html
Inventor
Akio Okamiya
秋雄 岡宮
Toshisada Koyama
利貞 小山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minebea Co Ltd
Original Assignee
Minebea Co Ltd
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.)
Filing date
Publication date
Application filed by Minebea Co Ltd filed Critical Minebea Co Ltd
Priority to JP2000217407A priority Critical patent/JP2002030386A/ja
Priority to US09/809,225 priority patent/US6559573B2/en
Publication of JP2002030386A publication Critical patent/JP2002030386A/ja
Publication of JP2002030386A5 publication Critical patent/JP2002030386A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • 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
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/02—Shafts; Axles
    • 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
    • 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)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Sliding-Contact Bearings (AREA)
  • Motor Or Generator Frames (AREA)
  • Rotational Drive Of Disk (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP2000217407A 2000-07-18 2000-07-18 スピンドルモータおよびピボットアッシー Pending JP2002030386A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000217407A JP2002030386A (ja) 2000-07-18 2000-07-18 スピンドルモータおよびピボットアッシー
US09/809,225 US6559573B2 (en) 2000-07-18 2001-03-16 Spindle motor and pivot assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000217407A JP2002030386A (ja) 2000-07-18 2000-07-18 スピンドルモータおよびピボットアッシー

Publications (2)

Publication Number Publication Date
JP2002030386A true JP2002030386A (ja) 2002-01-31
JP2002030386A5 JP2002030386A5 (cg-RX-API-DMAC10.html) 2007-08-16

Family

ID=18712521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000217407A Pending JP2002030386A (ja) 2000-07-18 2000-07-18 スピンドルモータおよびピボットアッシー

Country Status (2)

Country Link
US (1) US6559573B2 (cg-RX-API-DMAC10.html)
JP (1) JP2002030386A (cg-RX-API-DMAC10.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006002937A (ja) * 2004-05-20 2006-01-05 Minebea Co Ltd 流体動圧軸受装置およびその製造方法、スピンドルモータ、および記録ディスク駆動装置
JP2016100031A (ja) * 2014-11-19 2016-05-30 ミネベア株式会社 ピボットアッシー軸受およびハードディスク駆動装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1543515B1 (en) * 2002-07-30 2006-09-13 Koninklijke Philips Electronics N.V. Disc drive apparatus
US20080211334A1 (en) * 2004-07-09 2008-09-04 Yasunori Tokuno Spindle motor
JP2006022931A (ja) * 2004-07-09 2006-01-26 Matsushita Electric Ind Co Ltd スピンドルモータ
JP2006226523A (ja) * 2005-01-20 2006-08-31 Nippon Densan Corp 流体動圧軸受装置及びスピンドルモータ
US9438084B2 (en) * 2012-04-27 2016-09-06 Andrea Paone Explosion-proof braking device with non-magnetic shaft for an explosion-proof electric motor
US20230063544A1 (en) * 2021-08-27 2023-03-02 Minebea Mitsumi Inc. Spindle motor and hard disk drive device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69217508T3 (de) * 1991-03-20 2004-05-06 Hitachi, Ltd. Stahl für Ankerwellen von Elektromaschinen
GB2324305B (en) * 1997-04-16 2000-05-24 Nsk Ltd Rolling member
US6072661A (en) * 1998-02-26 2000-06-06 International Business Machines Corporation Thermally conductive spindle support shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006002937A (ja) * 2004-05-20 2006-01-05 Minebea Co Ltd 流体動圧軸受装置およびその製造方法、スピンドルモータ、および記録ディスク駆動装置
JP2016100031A (ja) * 2014-11-19 2016-05-30 ミネベア株式会社 ピボットアッシー軸受およびハードディスク駆動装置

Also Published As

Publication number Publication date
US6559573B2 (en) 2003-05-06
US20020047389A1 (en) 2002-04-25

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