KR890008472A - 동압형 유체베어링장치 - Google Patents

동압형 유체베어링장치 Download PDF

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Publication number
KR890008472A
KR890008472A KR1019880014308A KR880014308A KR890008472A KR 890008472 A KR890008472 A KR 890008472A KR 1019880014308 A KR1019880014308 A KR 1019880014308A KR 880014308 A KR880014308 A KR 880014308A KR 890008472 A KR890008472 A KR 890008472A
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KR
South Korea
Prior art keywords
shaft
ring
thrust bearing
distal end
shaped member
Prior art date
Application number
KR1019880014308A
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English (en)
Other versions
KR910010155B1 (ko
Inventor
다까후미 아사다
지로오 가다오까
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR890008472A publication Critical patent/KR890008472A/ko
Application granted granted Critical
Publication of KR910010155B1 publication Critical patent/KR910010155B1/ko

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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
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/06—Bearings not otherwise provided for with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion 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
    • 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
    • F16C17/02—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
    • 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
    • F16C33/102—Construction relative to lubrication with grease as lubricant
    • 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
    • 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)
  • Mechanical Optical Scanning Systems (AREA)
  • Rotational Drive Of Disk (AREA)

Abstract

내용 없음

Description

동압형 유체베어링장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1도는 본 발명의 일실시예의 동압형 유체베어링장치의 단면도,
제2도는 제1도의 드러스트 베어링부재의 상세도,
제3도는 제1도의 드러스트베어링부의 상세도,
제4도는 동 설명도.

Claims (9)

  1. 축과, 상기 축의 선단부 근처의 외주면에 대향하는 내주면을 가진 링형상의 무재와, 상기 축의 선단면과 대향하는 위치에 배설된 드러스트 베어링부재를 가지고, 상기 드러스트 베어링부재의 단면 및 상기 링형상부재의 내주면과 상기 축의 선단부 근처의 외주면이 대향하는 간극에 윤활제가 담지되고, 또한 상기 링형상부재의 내부면과 상기 축의 선단부 근처의 외주면의 어느 것인가 한쪽 또는 그 양쪽이 상기 드러스트 베어링부재에 접근할 수록 직경이 커지는 방향의 테이퍼를 가진 원추면인 것을 특징으로 하는 동압형 유체 베어링장치.
  2. 선단부 근처에 플랜지부를 가진 축과, 상기 축의 선단면에 대향하는 드러스트 베어링부재와, 상기 축과 동축이며 상기 플랜지부와 드러스트베어링부재 사이에 위치하는 링형상의 부재와, 상기 드러스트 베어링부재 및 상기 링형상의 부재와 일체적으로 구성되고, 상기 축의 들레를 회전하는 회전부재를 가지며, 상기 드러스트 베어링부재의 단면 및 상기 링형상부재의 내부면과 상기 축의 선단부 근처의 외주면이 대향하는 간극에 윤활제를 담지하고 또한 상기 링형상부재의 내주면과 상기 축의 선단부 근처의 외주면의 어느 것인가 한쪽 또는 그 양쪽이 상기 드러스트베어링부재에 접근할 수록 직경이 커지는 방향의 테이퍼를 가진 원추면인 것을 특징으로 하는 동압형 유체베어링장치.
  3. 제2항에 있어서, 축에 형성된 플랜지부의 단면직경은 상기 축의 외경보다 큰것을 특징으로 하는 동압형 유체베어링장치.
  4. 제2항에 있어서, 윤활제는 흑연, 카아본 또는 금속미립자를 함유하는 그리이스인 것을 특징으로 하는 동압형 유체베어링장치.
  5. 제2항에 있어서, 드러스트 베어링부재와 링형상의 부재사이에 시일링을 배설한 것을 특징으로 하는 동압형 유체베어링장치.
  6. 선단부에 단이 형성된 플랜지부를 가진 축과, 상기 단이 형성된 플랜지 부의 선단면에 대향하는 드러스트 베어링부재와, 상기 축과 동축이며 상기 단이 형성된 플랜지부와 상기 드러스트 베어링부재 사이에 위치 하는 링형상의 부재와, 상기 드러스트 베어링부재 및 링형상의 부재와 일체적으로 구성되고, 상기 축의 둘레를 회전하는 회전부재를 가지고, 상기 드러스트 베어링부재의 단면과 상기 단이 형성된 플랜지부재의 단면과의 간극에는 윤활제가 담지되고, 또한 상기 링형상부재의 내주면과 상기 축의 선단부 근처의 외주면의 어느 것인가 한쪽 또는 그 양쪽이 상기 드러스트 베얼링부재에 접근할수록 직경이 커지는 방향이 테이퍼를 가진 원추면인 것을 특징으로 하는 동압형 튜체 베어링장치.
  7. 제6항에 있어서, 단이 형성된 플랜지부재의 단면직경은 축의 외경보다도 큰 것을 특징으로 하는 동압형 유체베어링장치.
  8. 제6항에 있어서, 윤활제는 흑연, 카아본 또는 금속미립자를 함유하는 그리이스인 것을 특징으로 하는 동압형 유체베어링장치.
  9. 제6항에 있어서, 드러스트 베어링부재와 링형상의 부재 사이에 시일링을 배설한 것을 특징으로 하는 동압형 유체베어릴장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880014308A 1987-11-02 1988-11-01 동압형 유체 베어링장치 KR910010155B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62-277613 1987-11-02
JP62277613A JP2506836B2 (ja) 1987-11-02 1987-11-02 動圧型流体軸受装置

Publications (2)

Publication Number Publication Date
KR890008472A true KR890008472A (ko) 1989-07-10
KR910010155B1 KR910010155B1 (ko) 1991-12-17

Family

ID=17585859

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880014308A KR910010155B1 (ko) 1987-11-02 1988-11-01 동압형 유체 베어링장치

Country Status (3)

Country Link
US (1) US4892418A (ko)
JP (1) JP2506836B2 (ko)
KR (1) KR910010155B1 (ko)

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Also Published As

Publication number Publication date
US4892418A (en) 1990-01-09
KR910010155B1 (ko) 1991-12-17
JP2506836B2 (ja) 1996-06-12
JPH01120418A (ja) 1989-05-12

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