WO2009016983A1 - 流体動圧軸受装置およびその組立方法 - Google Patents

流体動圧軸受装置およびその組立方法 Download PDF

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Publication number
WO2009016983A1
WO2009016983A1 PCT/JP2008/063055 JP2008063055W WO2009016983A1 WO 2009016983 A1 WO2009016983 A1 WO 2009016983A1 JP 2008063055 W JP2008063055 W JP 2008063055W WO 2009016983 A1 WO2009016983 A1 WO 2009016983A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing device
assembling method
fluid dynamic
dynamic bearing
axis
Prior art date
Application number
PCT/JP2008/063055
Other languages
English (en)
French (fr)
Inventor
Kimihiko Bitou
Isao Komori
Tetsuya Kurimura
Original Assignee
Ntn Corporation
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
Priority claimed from JP2007199527A external-priority patent/JP5122205B2/ja
Priority claimed from JP2008160592A external-priority patent/JP5231095B2/ja
Application filed by Ntn Corporation filed Critical Ntn Corporation
Priority to US12/665,384 priority Critical patent/US8454239B2/en
Priority to CN2008801007246A priority patent/CN101765718B/zh
Priority to KR1020097026355A priority patent/KR101439924B1/ko
Publication of WO2009016983A1 publication Critical patent/WO2009016983A1/ja

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
    • 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
    • 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
    • F16C33/745—Sealings of sliding-contact bearings by means of a fluid retained in the sealing gap by capillary action
    • 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
    • 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)
  • Sealing Of Bearings (AREA)

Abstract

　シール部９とスリーブ部８との間に第１の軸方向隙間Ｌ１を形成する。これにより、スリーブ部８等の部材精度によらずに軸部材２の軸方向移動可能量を高精度に設定することができる。
PCT/JP2008/063055 2007-07-31 2008-07-18 流体動圧軸受装置およびその組立方法 WO2009016983A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US12/665,384 US8454239B2 (en) 2007-07-31 2008-07-18 Fluid dynamic bearing device and assembling method thereof
CN2008801007246A CN101765718B (zh) 2007-07-31 2008-07-18 流体动压轴承装置及其组装方法
KR1020097026355A KR101439924B1 (ko) 2007-07-31 2008-07-18 유체 동압 베어링 장치 및 그 조립 방법

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2007-199527 2007-07-31
JP2007199527A JP5122205B2 (ja) 2007-07-31 2007-07-31 流体軸受装置の組立方法
JP2007-214775 2007-08-21
JP2007214775 2007-08-21
JP2008160592A JP5231095B2 (ja) 2007-08-21 2008-06-19 流体軸受装置
JP2008-160592 2008-06-19

Publications (1)

Publication Number Publication Date
WO2009016983A1 true WO2009016983A1 (ja) 2009-02-05

Family

ID=40304216

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/063055 WO2009016983A1 (ja) 2007-07-31 2008-07-18 流体動圧軸受装置およびその組立方法

Country Status (1)

Country Link
WO (1) WO2009016983A1 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007154959A (ja) * 2005-12-02 2007-06-21 Matsushita Electric Ind Co Ltd 動圧流体軸受装置及びその製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007154959A (ja) * 2005-12-02 2007-06-21 Matsushita Electric Ind Co Ltd 動圧流体軸受装置及びその製造方法

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