CN110552955B - 轴承装置 - Google Patents

轴承装置 Download PDF

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Publication number
CN110552955B
CN110552955B CN201910247425.5A CN201910247425A CN110552955B CN 110552955 B CN110552955 B CN 110552955B CN 201910247425 A CN201910247425 A CN 201910247425A CN 110552955 B CN110552955 B CN 110552955B
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CN
China
Prior art keywords
shaft
outer peripheral
inner ring
peripheral surface
inner peripheral
Prior art date
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Active
Application number
CN201910247425.5A
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English (en)
Chinese (zh)
Other versions
CN110552955A (zh
Inventor
内田正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MinebeaMitsumi Inc
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MinebeaMitsumi Inc
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Publication of CN110552955A publication Critical patent/CN110552955A/zh
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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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • 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
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • 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
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/783—Details of the sealing or parts thereof, e.g. geometry, material of the mounting region
    • 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
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/80—Labyrinth sealings
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1737—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • F16C2226/30—Material joints
    • F16C2226/40—Material joints with adhesive
    • 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)
  • Power Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)
  • Moving Of Heads (AREA)
CN201910247425.5A 2018-05-31 2019-03-29 轴承装置 Active CN110552955B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-105544 2018-05-31
JP2018105544A JP7262182B2 (ja) 2018-05-31 2018-05-31 軸受装置

Publications (2)

Publication Number Publication Date
CN110552955A CN110552955A (zh) 2019-12-10
CN110552955B true CN110552955B (zh) 2022-08-12

Family

ID=68695193

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910247425.5A Active CN110552955B (zh) 2018-05-31 2019-03-29 轴承装置

Country Status (3)

Country Link
US (1) US10724574B2 (https=)
JP (1) JP7262182B2 (https=)
CN (1) CN110552955B (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7466436B2 (ja) * 2020-11-24 2024-04-12 Ｔｏｙｏ Ｔｉｒｅ株式会社 ゴム摩擦試験方法
IT202300002274A1 (it) * 2023-02-10 2024-08-10 Skf Ab Unita’ cuscinetto

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09229080A (ja) * 1996-02-27 1997-09-02 Koyo Seiko Co Ltd 転がり軸受の密封装置
CN101149079A (zh) * 2006-09-20 2008-03-26 希尔蒂股份公司 轴承密封装置
CN102141088A (zh) * 2010-01-29 2011-08-03 美蓓亚株式会社 轴承装置
JP2011256966A (ja) * 2010-06-10 2011-12-22 Seiko Instruments Inc 転がり軸受、軸受装置、情報記録再生装置
JP2012054448A (ja) * 2010-09-02 2012-03-15 Toyo Aluminium Kk アルミニウム電解コンデンサ用電極材及びその製造方法

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138209A (en) * 1990-03-01 1992-08-11 Nippon Densan Corporation Spindle motor
US5483113A (en) * 1992-06-09 1996-01-09 Matsushita Electric Industrial Co., Ltd. Electric motor for driving a magnetic disk
JPH06200949A (ja) * 1992-11-10 1994-07-19 Toyo Seal Kogyo Kk 軸受用密封板の装着方法および軸受用密封装置
US5493159A (en) * 1994-07-19 1996-02-20 Synektron Corporation Flex circuit for electric motor
US5880545A (en) * 1995-03-22 1999-03-09 Nidec Corporation Spindle motor with bearing system having fluid sealing and leakage prevention
US6449120B1 (en) * 1996-12-18 2002-09-10 Seagate Technology Llc Reducing bearing contaminant migration from a hard disc drive cartridge bearing assembly
DE19748150B4 (de) * 1997-10-31 2006-02-23 Minebea Co., Ltd. Spindelmotor mit Kontaktierung
JP2000041368A (ja) * 1998-07-17 2000-02-08 Minebea Co Ltd スピンドルモータ
US6679501B1 (en) * 1999-01-22 2004-01-20 Seagate Technology Llc Motor with stationary shaft and high speed capillary seal
WO2000045498A2 (en) * 1999-01-29 2000-08-03 Seagate Technology Llc Particle free shield assembly for spindle motor
US6299358B1 (en) * 1999-08-31 2001-10-09 International Business Machines Corporation UV-transparent elements for hard disk drive components
JP2002039171A (ja) * 2000-07-26 2002-02-06 Nsk Ltd 軸受装置
JP2001268875A (ja) * 2000-03-16 2001-09-28 Minebea Co Ltd スピンドルモータ
JP2002010603A (ja) * 2000-06-22 2002-01-11 Minebea Co Ltd ディスク駆動用スピンドルモータ
JP4460730B2 (ja) * 2000-07-11 2010-05-12 ミネベア株式会社 スピンドルモータ
JP2004092666A (ja) * 2002-08-29 2004-03-25 Minebea Co Ltd ハードディスクドライブ用ピボットアッセンブリ
JP2004092668A (ja) * 2002-08-29 2004-03-25 Minebea Co Ltd ハードディスクドライブ用ピボットアッセンブリの製造方法およびその予圧設定装置
JP2004092870A (ja) * 2002-09-03 2004-03-25 Minebea Co Ltd ハードディスクドライブ用ピボットアッセンブリ
US7952837B1 (en) * 2005-11-03 2011-05-31 Seagate Technology Llc Stiffened shaft bearing cartridge
CN102900771B (zh) * 2011-07-27 2016-04-27 日本精工株式会社 硬盘磁头臂驱动用枢轴轴承单元
WO2013014960A1 (ja) * 2011-07-27 2013-01-31 日本精工株式会社 ハードディスクアクチュエータ用ピボット軸受ユニット
JP2015113861A (ja) * 2013-12-09 2015-06-22 セイコーインスツル株式会社 軸受装置および情報記録再生装置
JP6284352B2 (ja) * 2013-12-11 2018-02-28 セイコーインスツル株式会社 軸受装置及び情報記録再生装置
US9500233B2 (en) * 2014-11-11 2016-11-22 Minebea Co., Ltd. Pivot assembly bearing and disk drive device
JP6508972B2 (ja) * 2015-02-25 2019-05-08 セイコーインスツル株式会社 軸受装置および磁気記録装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09229080A (ja) * 1996-02-27 1997-09-02 Koyo Seiko Co Ltd 転がり軸受の密封装置
CN101149079A (zh) * 2006-09-20 2008-03-26 希尔蒂股份公司 轴承密封装置
CN102141088A (zh) * 2010-01-29 2011-08-03 美蓓亚株式会社 轴承装置
JP2011256966A (ja) * 2010-06-10 2011-12-22 Seiko Instruments Inc 転がり軸受、軸受装置、情報記録再生装置
JP2012054448A (ja) * 2010-09-02 2012-03-15 Toyo Aluminium Kk アルミニウム電解コンデンサ用電極材及びその製造方法

Also Published As

Publication number Publication date
US20190368541A1 (en) 2019-12-05
JP2019210968A (ja) 2019-12-12
US10724574B2 (en) 2020-07-28
CN110552955A (zh) 2019-12-10
JP7262182B2 (ja) 2023-04-21

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