SG55119A1 - Spindle unit and method of asembling the spindle unit - Google Patents

Spindle unit and method of asembling the spindle unit

Info

Publication number
SG55119A1
SG55119A1 SG1996006812A SG1996006812A SG55119A1 SG 55119 A1 SG55119 A1 SG 55119A1 SG 1996006812 A SG1996006812 A SG 1996006812A SG 1996006812 A SG1996006812 A SG 1996006812A SG 55119 A1 SG55119 A1 SG 55119A1
Authority
SG
Singapore
Prior art keywords
spindle unit
asembling
spindle
unit
Prior art date
Application number
SG1996006812A
Inventor
Kenji Tomida
Masaaki Nakano
Takashi Kohno
Tomoaki Inoue
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of SG55119A1 publication Critical patent/SG55119A1/en

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
    • 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
    • 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
    • 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
    • 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)
  • Sliding-Contact Bearings (AREA)
  • Mounting Of Bearings Or Others (AREA)
SG1996006812A 1995-03-14 1996-03-13 Spindle unit and method of asembling the spindle unit SG55119A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05397395A JP3752263B2 (en) 1995-03-14 1995-03-14 Spindle unit for magnetic disk drive

Publications (1)

Publication Number Publication Date
SG55119A1 true SG55119A1 (en) 1998-12-21

Family

ID=12957601

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996006812A SG55119A1 (en) 1995-03-14 1996-03-13 Spindle unit and method of asembling the spindle unit

Country Status (3)

Country Link
JP (1) JP3752263B2 (en)
KR (1) KR0175501B1 (en)
SG (1) SG55119A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6002663A (en) 1997-04-17 1999-12-14 Imation Corp. Hubless optical disc having low radial runout and method of manufacture
US6154441A (en) * 1997-04-17 2000-11-28 Imation Corp. Method for centering a hub in an optical disc, and an optical storage system using such disc
JP3652875B2 (en) * 1998-03-26 2005-05-25 日本電産株式会社 motor
JPH11273235A (en) * 1998-03-26 1999-10-08 Matsushita Electric Ind Co Ltd Motor and hard disk device mounting the same
JP4418531B2 (en) 2004-09-09 2010-02-17 日本電産株式会社 Fluid dynamic bearing device and spindle motor
JP2008303989A (en) * 2007-06-07 2008-12-18 Nippon Densan Corp Fluid dynamic-pressure bearing mechanism and motor

Also Published As

Publication number Publication date
JP3752263B2 (en) 2006-03-08
KR960034780A (en) 1996-10-24
KR0175501B1 (en) 1999-05-15
JPH08247137A (en) 1996-09-24

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