DE69516372T2 - Verfahren zur Herstellung von hydrodynamischen Präzisionslagereinheiten - Google Patents

Verfahren zur Herstellung von hydrodynamischen Präzisionslagereinheiten

Info

Publication number
DE69516372T2
DE69516372T2 DE69516372T DE69516372T DE69516372T2 DE 69516372 T2 DE69516372 T2 DE 69516372T2 DE 69516372 T DE69516372 T DE 69516372T DE 69516372 T DE69516372 T DE 69516372T DE 69516372 T2 DE69516372 T2 DE 69516372T2
Authority
DE
Germany
Prior art keywords
hydrodynamic
manufacture
bearing units
precision bearing
precision
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
Application number
DE69516372T
Other languages
English (en)
Other versions
DE69516372D1 (de
Inventor
Shuo-Hao Chen
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.)
Quantum Corp
Original Assignee
Quantum Corp
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 Quantum Corp filed Critical Quantum Corp
Publication of DE69516372D1 publication Critical patent/DE69516372D1/de
Application granted granted Critical
Publication of DE69516372T2 publication Critical patent/DE69516372T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • F16C33/02—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
    • 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
    • F16N—LUBRICATING
    • F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49639—Fluid bearing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49636—Process for making bearing or component thereof
    • Y10T29/49703—Sealing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
DE69516372T 1994-12-08 1995-11-09 Verfahren zur Herstellung von hydrodynamischen Präzisionslagereinheiten Expired - Fee Related DE69516372T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/353,171 US5579579A (en) 1994-12-08 1994-12-08 Method for making precision self-contained hydrodynamic bearing assembly

Publications (2)

Publication Number Publication Date
DE69516372D1 DE69516372D1 (de) 2000-05-25
DE69516372T2 true DE69516372T2 (de) 2000-10-12

Family

ID=23388035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69516372T Expired - Fee Related DE69516372T2 (de) 1994-12-08 1995-11-09 Verfahren zur Herstellung von hydrodynamischen Präzisionslagereinheiten

Country Status (5)

Country Link
US (2) US5579579A (de)
EP (1) EP0716239B1 (de)
JP (1) JPH08219144A (de)
KR (1) KR960023988A (de)
DE (1) DE69516372T2 (de)

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US6108909A (en) * 1996-07-02 2000-08-29 Sae Magnetics (H.K.) Ltd. Groove forming processes for shaft outer diameter
US6427330B1 (en) * 1997-10-07 2002-08-06 Sankyo Seiki Mfg. Co., Ltd. Method for forming a lubricant coating on a hydrodynamic bearing apparatus by electrode positioning
US6118620A (en) * 1997-11-05 2000-09-12 Seagate Technology Llc In-hub spindle motor with separate fluid dynamic bearings
JPH11286317A (ja) * 1998-03-31 1999-10-19 Tsubakimoto Chain Co 増速アキュムレートコンベヤチェーン
WO2000004298A1 (en) * 1998-07-17 2000-01-27 Koninklijke Philips Electronics N.V. Dynamic groove bearing comprising a porous lubricant reservoir
US6168164B1 (en) * 1998-12-08 2001-01-02 Federal-Mogul World Wide, Inc. Hydrodynamic seal and method of manufacture
JP2003222124A (ja) * 1999-07-14 2003-08-08 Sumitomo Electric Ind Ltd スピンドルモータ
NO310484B1 (no) * 1999-10-08 2001-07-09 Kristian Toender Anordning ved glidelager og tetninger
US6571490B2 (en) * 2000-03-16 2003-06-03 Nike, Inc. Bladder with multi-stage regionalized cushioning
US6524006B1 (en) 2000-04-11 2003-02-25 International Business Machines Corporation Fluid dynamic bearing assembly
US6450073B1 (en) * 2000-08-22 2002-09-17 David M. Boyer Bearing for multi-spindle bar machine
JP2002070849A (ja) * 2000-08-28 2002-03-08 Matsushita Electric Ind Co Ltd 動圧型流体軸受装置およびその製造方法
US6869618B2 (en) * 2001-04-10 2005-03-22 Kiel Laboratories, Inc. Process for preparing tannate liquid and semi-solid dosage forms
JP2003097543A (ja) * 2001-09-25 2003-04-03 Koyo Seiko Co Ltd 動圧軸受及びその製造方法
US20030117906A1 (en) * 2001-12-20 2003-06-26 Rahman Mohamed Mizanur Apparatus and method for optimizing hydrodynamic groove shape
US6828709B2 (en) * 2002-08-19 2004-12-07 Seagate Technology Llc Motor having a fluid dynamic bearing with a radial capillary seal and re-circulation
US7239477B2 (en) * 2002-11-05 2007-07-03 Seagate Technology Llc Low profile air-oil hybrid fluid dynamic bearing motor
US7090401B2 (en) * 2003-01-21 2006-08-15 Seagate Technology Llc Grooving pattern for grooved fluid bearing
US20050056303A1 (en) * 2003-09-16 2005-03-17 Wei-Ming Lee Oblique burnish/wipe mechanism for hard drive disk like media
US7001074B2 (en) * 2003-04-21 2006-02-21 Seagate Technology Llc High pressure barrier to oil loss by diffusion
US7959357B2 (en) * 2003-05-07 2011-06-14 Seagate Technology Llc Fluid dynamic bearing spindle motor
US7234868B2 (en) * 2003-05-07 2007-06-26 Seagate Technology Llc Radial pumping oil seal for fluid dynamic bearing motor
US9897213B2 (en) * 2005-03-31 2018-02-20 Aes Engineering Ltd. Flow inducing ring for a mechanical seal
GB0506698D0 (en) * 2005-03-31 2005-05-11 Aesseal Plc Mechanical seals
TWI266006B (en) * 2005-05-03 2006-11-11 Sunonwealth Electr Mach Ind Co A motor lubricating system
TWI282833B (en) * 2005-05-13 2007-06-21 Delta Electronics Inc Fan motor and oil-leak proof bearing system thereof
US7956499B2 (en) 2005-06-02 2011-06-07 Seagate Technology Llc Motor magnetic force attenuator
US8562222B2 (en) * 2005-06-24 2013-10-22 Seagate Technology Llc Hub and spindle assembly
JP2007107622A (ja) * 2005-10-14 2007-04-26 Matsushita Electric Ind Co Ltd 動圧軸受装置およびそれを用いたスピンドルモータ
US7679243B2 (en) * 2005-12-22 2010-03-16 Seagate Technology Llc Motor assembly with multifunctional components
US20070172162A1 (en) * 2006-01-23 2007-07-26 Sonicedge Industries Corporation Bearing structure
US7843664B2 (en) * 2006-02-09 2010-11-30 Seagate Technology Llc Electrostatic discharge apparatus for hub and spindle assemblies
US8454238B2 (en) * 2006-08-23 2013-06-04 Seagate Technology Llc Spindle regions
TW200835864A (en) * 2007-02-27 2008-09-01 Jian-Dih Jeng Simplified fluid dynamic bearing design
JP2008281104A (ja) * 2007-05-10 2008-11-20 Nippon Densan Corp スリーブ、モータ、記録ディスク駆動装置およびスリーブの製造方法
DE102007061454A1 (de) * 2007-12-20 2009-06-25 Minebea Co., Ltd. Verfahren zur Optimierung einer Lagerrillenstruktur auf einer Lagerfläche eines fluiddynamischen Lagers zur Verbesserung der Lagereigenschaften und entsprechende Lagerrillenstrukturen
US8157447B2 (en) 2008-04-13 2012-04-17 Seagate Technology Llc Groove configuration for a fluid dynamic bearing
DE102008021514A1 (de) * 2008-04-30 2009-11-12 Minebea Co., Ltd. Fluiddynamisches Lager
TW201038824A (en) * 2009-04-20 2010-11-01 Yin-Nong Hong Rotational assembly device
JP2012055088A (ja) * 2010-09-01 2012-03-15 Alphana Technology Co Ltd 回転機器
KR20130123253A (ko) * 2012-05-02 2013-11-12 삼성전기주식회사 동압 베어링 장치 및 이를 구비하는 스핀들 모터
DE102014002457A1 (de) * 2014-02-12 2015-08-13 Minebea Co., Ltd. Fluiddynamisches Lager für einen Spindelmotor
DE102017001405B4 (de) 2017-02-14 2018-10-04 Minebea Mitsumi Inc. Spindelmotor zum Antrieb eines Festplattenlaufwerks
TWI784568B (zh) * 2021-06-11 2022-11-21 東培工業股份有限公司 雙切邊動壓軸承結構

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US2164902A (en) * 1936-10-19 1939-07-04 Gilbert R Coleman Method of making journal bearings
US2683928A (en) * 1950-09-12 1954-07-20 Gen Motors Corp Method of corrugating tubing
FR1105716A (fr) * 1954-06-04 1955-12-07 Soulard Charles Georges Palier perfectionné
EP0117873B1 (de) * 1982-09-02 1986-12-30 Matsushita Electric Industrial Co., Ltd. Fluidumlagervorrichtung mit dynamisch aufgebautem druck
NL8401864A (nl) * 1984-06-13 1986-01-02 Philips Nv Lagersysteem omvattende twee tegenover elkaar opgestelde hydrodynamische lagers.
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US5112142A (en) * 1987-08-12 1992-05-12 Digital Equipment Corporation Hydrodynamic bearing
US5265334A (en) * 1989-09-21 1993-11-30 U.S. Philips Corporation Device for manufacturing a groove bearing, and method of manufacturing a groove bearing by means of the device
JP3099033B2 (ja) * 1992-01-30 2000-10-16 株式会社荏原製作所 軸受装置
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US5407281A (en) * 1994-07-22 1995-04-18 Quantum Corp. Self-replenishing hydrodynamic bearing

Also Published As

Publication number Publication date
US5716141A (en) 1998-02-10
EP0716239A1 (de) 1996-06-12
EP0716239B1 (de) 2000-04-19
DE69516372D1 (de) 2000-05-25
US5579579A (en) 1996-12-03
JPH08219144A (ja) 1996-08-27
KR960023988A (ko) 1996-07-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee