NL1014457A1 - Gesinterd oliehoudend lager en werkwijze voor het vervaardigen ervan en spilmotor voor informatie-apparatuur. - Google Patents

Gesinterd oliehoudend lager en werkwijze voor het vervaardigen ervan en spilmotor voor informatie-apparatuur.

Info

Publication number
NL1014457A1
NL1014457A1 NL1014457A NL1014457A NL1014457A1 NL 1014457 A1 NL1014457 A1 NL 1014457A1 NL 1014457 A NL1014457 A NL 1014457A NL 1014457 A NL1014457 A NL 1014457A NL 1014457 A1 NL1014457 A1 NL 1014457A1
Authority
NL
Netherlands
Prior art keywords
bearing
sintered oil
sintered
manufacturing
spindle motor
Prior art date
Application number
NL1014457A
Other languages
English (en)
Other versions
NL1014457C2 (nl
Inventor
Natsuhiko Mori
Kazuo Okamura
Makoto Shiranami
Original Assignee
Ntn Toyo Bearing 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 Ntn Toyo Bearing Co Ltd filed Critical Ntn Toyo Bearing Co Ltd
Publication of NL1014457A1 publication Critical patent/NL1014457A1/nl
Application granted granted Critical
Publication of NL1014457C2 publication Critical patent/NL1014457C2/nl

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
    • F16C33/14—Special methods of manufacture; Running-in
    • 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
    • F16C33/02—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
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • 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
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
    • F16C33/104—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing in a porous body, e.g. oil impregnated sintered sleeve
    • 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
    • F16C33/14—Special methods of manufacture; Running-in
    • F16C33/145—Special methods of manufacture; Running-in of sintered porous 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/10—Alloys based on copper
    • 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
    • F16C2220/00—Shaping
    • F16C2220/20—Shaping by sintering pulverised material, e.g. powder metallurgy
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S384/00—Bearings
    • Y10S384/90—Cooling or heating
    • Y10S384/902—Porous member
    • 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

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)
  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
NL1014457A 1999-02-24 2000-02-21 Gesinterd oliehoudend lager en werkwijze voor het vervaardigen ervan en spilmotor voor informatie-apparatuur. NL1014457C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11046642A JP2000240653A (ja) 1999-02-24 1999-02-24 焼結含油軸受とその製造方法及び情報機器用スピンドルモータ
JP4664299 1999-02-24

Publications (2)

Publication Number Publication Date
NL1014457A1 true NL1014457A1 (nl) 2000-08-25
NL1014457C2 NL1014457C2 (nl) 2001-06-06

Family

ID=12752973

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1014457A NL1014457C2 (nl) 1999-02-24 2000-02-21 Gesinterd oliehoudend lager en werkwijze voor het vervaardigen ervan en spilmotor voor informatie-apparatuur.

Country Status (3)

Country Link
US (2) US6357920B1 (nl)
JP (1) JP2000240653A (nl)
NL (1) NL1014457C2 (nl)

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* Cited by examiner, † Cited by third party
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US6513979B2 (en) * 2000-08-22 2003-02-04 Ntn Corporation Hydrodynamic oil-impregnated sintered bearing unit
JP4481475B2 (ja) * 2000-11-02 2010-06-16 東北リコー株式会社 動圧型軸受ユニット
JP2002247828A (ja) * 2001-02-21 2002-08-30 Canon Inc スピンドルモータ
KR100439584B1 (ko) * 2002-01-28 2004-07-12 엘지이노텍 주식회사 스핀들 모터의 백 요크 결합 구조
KR100431416B1 (ko) * 2002-08-16 2004-05-13 삼성전기주식회사 동압 베어링이 적용된 모터의 실링 구조
JP4573349B2 (ja) * 2004-10-21 2010-11-04 日立粉末冶金株式会社 動圧軸受の製造方法
CN100389270C (zh) * 2004-12-11 2008-05-21 鸿富锦精密工业（深圳）有限公司 流体轴承制造方法
US7235201B2 (en) * 2004-12-20 2007-06-26 Borgwarner Inc. Split die and method for production of compacted powder metal parts
KR101339745B1 (ko) * 2005-01-05 2013-12-11 엔티엔 가부시키가이샤 소결 금속재 및 이 금속재로 형성된 소결 함유 베어링, 및유체 베어링 장치
JP2007043887A (ja) * 2005-07-06 2007-02-15 Nippon Densan Corp モータ及びディスク駆動装置
US8220153B2 (en) * 2006-05-26 2012-07-17 Hitachi Powdered Metals Co., Ltd. Production method for complex bearing
JP5384014B2 (ja) 2008-02-21 2014-01-08 Ｎｔｎ株式会社 焼結軸受
KR101101643B1 (ko) * 2010-04-15 2012-01-02 삼성전기주식회사 유체 동압 베어링 어셈블리, 유체 동압 베어링 어셈블리를 구비하는 모터 및 이 모터를 탑재하는 기록 디스크 구동장치
US20120014629A1 (en) * 2010-07-16 2012-01-19 Samsung Electro-Mechanics Co., Ltd Porous hydrodynamic bearing
JP6347929B2 (ja) * 2013-09-24 2018-06-27 Ntn株式会社 焼結金属軸受
JP6864459B2 (ja) * 2016-10-18 2021-04-28 株式会社ダイヤメット 焼結含油軸受およびその製造方法
US11027404B2 (en) * 2018-07-19 2021-06-08 Milwaukee Electric Tool Corporation Lubricant-impregnated bushing for impact tool
JP2021088765A (ja) * 2021-01-19 2021-06-10 株式会社ダイヤメット 焼結含油軸受およびその製造方法
JP2021088766A (ja) * 2021-01-19 2021-06-10 株式会社ダイヤメット 焼結含油軸受およびその製造方法

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US4353155A (en) * 1980-06-25 1982-10-12 Hillebrand Arthur N Method for manufacturing composite powder metal parts
JPS6077902A (ja) * 1983-10-03 1985-05-02 Hitachi Powdered Metals Co Ltd 粉末成形方法およびその装置
JPS6077903A (ja) * 1983-10-03 1985-05-02 Hitachi Powdered Metals Co Ltd 粉末成形方法およびその装置
JPS6280310A (ja) * 1985-09-30 1987-04-13 Sankyo Seiki Mfg Co Ltd 焼結含油軸受
JPH0788521B2 (ja) * 1988-03-22 1995-09-27 日立粉末冶金株式会社 焼結含油軸受の製造方法
JPH086124B2 (ja) * 1988-06-28 1996-01-24 勇 菊池 焼結軸受材の製造法
JPH03107612A (ja) * 1989-09-20 1991-05-08 Sankyo Seiki Mfg Co Ltd 焼結含油軸受
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JP2941218B2 (ja) * 1996-06-25 1999-08-25 日本科学冶金株式会社 一体化焼結含油軸受の製造方法
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JP3954695B2 (ja) * 1997-07-18 2007-08-08 Ｎｔｎ株式会社 動圧型多孔質含油軸受の製造方法
JP3647008B2 (ja) * 1997-08-25 2005-05-11 日立粉末冶金株式会社 焼結含油軸受の製造方法
JPH11217601A (ja) * 1998-01-30 1999-08-10 Daihatsu Motor Co Ltd 粉末成形装置
JP3770578B2 (ja) * 1998-02-23 2006-04-26 Ｎｔｎ株式会社 焼結含油軸受の製造方法
JPH11264031A (ja) * 1998-03-16 1999-09-28 Sumitomo Electric Ind Ltd 焼結金属摩擦部材およびその製造方法
US6365094B1 (en) * 2000-01-31 2002-04-02 Stackpole Limited Lubricated die

Also Published As

Publication number Publication date
US6789320B2 (en) 2004-09-14
NL1014457C2 (nl) 2001-06-06
US20020085775A1 (en) 2002-07-04
US6357920B1 (en) 2002-03-19
JP2000240653A (ja) 2000-09-05

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Legal Events

Date Code Title Description
AD1A A request for search or an international type search has been filed
RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20010131

PD2B A search report has been drawn up
MK Patent expired because of reaching the maximum lifetime of a patent

Effective date: 20200220