JP3954695B2 - 動圧型多孔質含油軸受の製造方法 - Google Patents

動圧型多孔質含油軸受の製造方法 Download PDF

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Publication number
JP3954695B2
JP3954695B2 JP19430497A JP19430497A JP3954695B2 JP 3954695 B2 JP3954695 B2 JP 3954695B2 JP 19430497 A JP19430497 A JP 19430497A JP 19430497 A JP19430497 A JP 19430497A JP 3954695 B2 JP3954695 B2 JP 3954695B2
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JP
Japan
Prior art keywords
porous body
diameter portion
inner diameter
bearing
dynamic pressure
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 - Lifetime
Application number
JP19430497A
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English (en)
Japanese (ja)
Other versions
JPH1137156A (ja
JPH1137156A5 (enExample
Inventor
敏彦 田中
功 古森
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NTN Corp
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NTN Corp
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Publication date
Application filed by NTN Corp filed Critical NTN Corp
Priority to JP19430497A priority Critical patent/JP3954695B2/ja
Priority to US09/115,682 priority patent/US6105250A/en
Publication of JPH1137156A publication Critical patent/JPH1137156A/ja
Publication of JPH1137156A5 publication Critical patent/JPH1137156A5/ja
Application granted granted Critical
Publication of JP3954695B2 publication Critical patent/JP3954695B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • B22F5/085—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs with helical contours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
    • 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
    • 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
    • F16C33/10—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
    • F16C33/02—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to 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
    • 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
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/02—Mechanical treatment, e.g. finishing
    • F16C2223/04—Mechanical treatment, e.g. finishing by sizing, by shaping to final size by small plastic deformation, e.g. by calibrating or coining
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F16C2226/12—Force connections, e.g. clamping by press-fit, e.g. plug-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
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sliding-Contact Bearings (AREA)
JP19430497A 1997-07-18 1997-07-18 動圧型多孔質含油軸受の製造方法 Expired - Lifetime JP3954695B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP19430497A JP3954695B2 (ja) 1997-07-18 1997-07-18 動圧型多孔質含油軸受の製造方法
US09/115,682 US6105250A (en) 1997-07-18 1998-07-15 Method of producing hydrodynamic type porous oil-impregnated bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19430497A JP3954695B2 (ja) 1997-07-18 1997-07-18 動圧型多孔質含油軸受の製造方法

Publications (3)

Publication Number Publication Date
JPH1137156A JPH1137156A (ja) 1999-02-09
JPH1137156A5 JPH1137156A5 (enExample) 2004-10-14
JP3954695B2 true JP3954695B2 (ja) 2007-08-08

Family

ID=16322383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19430497A Expired - Lifetime JP3954695B2 (ja) 1997-07-18 1997-07-18 動圧型多孔質含油軸受の製造方法

Country Status (2)

Country Link
US (1) US6105250A (enExample)
JP (1) JP3954695B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10030696B2 (en) 2014-09-01 2018-07-24 Ntn Corporation Fluid dynamic bearing device, and bearing member and shaft member for use in same

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2322915B (en) * 1997-03-06 2001-06-06 Ntn Toyo Bearing Co Ltd Hydrodynamic type porous oil-impregnated bearing
JP3483780B2 (ja) * 1998-09-29 2004-01-06 ミネベア株式会社 メタル軸受およびその製造方法
JP2000240653A (ja) * 1999-02-24 2000-09-05 Ntn Corp 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
JP2000291656A (ja) * 1999-04-08 2000-10-20 Toshiba Mach Co Ltd 多孔質気体静圧軸受の製造方法
JP2000304033A (ja) * 1999-04-22 2000-10-31 Sumitomo Electric Ind Ltd 動圧軸受
US6419876B1 (en) * 1999-05-21 2002-07-16 Zenith Sintered Products, Inc. Machinability of powder metal components
JP3270757B2 (ja) * 1999-12-23 2002-04-02 三星電機株式会社 焼結含油ベアリングの表面加工方法及びその装置
JP2003232354A (ja) * 2002-02-07 2003-08-22 Hitachi Powdered Metals Co Ltd 軸受ユニットおよびその製造方法ならびにスピンドルモータ
EP2447555B1 (en) * 2003-04-02 2019-06-05 Diamet Corporation Oil-impregnated sintered bearing and method of manufacturing the same
TWI269842B (en) * 2004-12-10 2007-01-01 Hon Hai Prec Ind Co Ltd Method for making fluid bearing
US20070047857A1 (en) * 2005-08-26 2007-03-01 Tsutomu Hamada Sleeve for hydrodynamic bearing device, hydrodynamic bearing device and spindle motor using the same, and method for manufacturing sleeve
CN101224497B (zh) * 2007-01-17 2010-05-26 富准精密工业(深圳)有限公司 动压轴承制造方法
JP4916941B2 (ja) * 2007-04-11 2012-04-18 Ｎｔｎ株式会社 流体軸受装置およびその製造方法
JP2011247281A (ja) * 2010-05-21 2011-12-08 Ntn Corp 軸受部材及びこれを用いた流体動圧軸受装置
CN102906432B (zh) * 2010-05-21 2015-07-22 Ntn株式会社 轴承构件及使用了该轴承构件的流体动压轴承装置
JP6347929B2 (ja) 2013-09-24 2018-06-27 Ntn株式会社 焼結金属軸受
JP6461483B2 (ja) * 2014-04-04 2019-01-30 Ntn株式会社 焼結軸受及びこれを備えた流体動圧軸受装置、並びに焼結軸受の製造方法
JP2017166575A (ja) * 2016-03-16 2017-09-21 Ntn株式会社 動圧軸受及びその製造方法
US10113582B2 (en) * 2017-01-27 2018-10-30 Regal Beloit Australia Pty., Ltd. Hydrodynamic bearing assembly and method of assembling the same
CN120619777B (zh) * 2025-08-13 2025-10-14 中国空气动力研究与发展中心高速空气动力研究所 一种超大异形零件的取样工艺

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3860288D1 (de) * 1987-05-05 1990-08-09 Interatom Verfahren zur herstellung von poroesen lagerschalen fuer gasstatische lager.
JP2771934B2 (ja) * 1993-02-18 1998-07-02 株式会社三協精機製作所 軸受装置の製造方法
JPH08326755A (ja) * 1995-06-05 1996-12-10 Hitachi Ltd 軸受ユニット

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10030696B2 (en) 2014-09-01 2018-07-24 Ntn Corporation Fluid dynamic bearing device, and bearing member and shaft member for use in same

Also Published As

Publication number Publication date
JPH1137156A (ja) 1999-02-09
US6105250A (en) 2000-08-22

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