JP6034334B2 - 軸受装置 - Google Patents

軸受装置 Download PDF

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Publication number
JP6034334B2
JP6034334B2 JP2014133033A JP2014133033A JP6034334B2 JP 6034334 B2 JP6034334 B2 JP 6034334B2 JP 2014133033 A JP2014133033 A JP 2014133033A JP 2014133033 A JP2014133033 A JP 2014133033A JP 6034334 B2 JP6034334 B2 JP 6034334B2
Authority
JP
Japan
Prior art keywords
gap
bearing device
peripheral surface
shaft
cylindrical portion
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 - Fee Related
Application number
JP2014133033A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015064102A (ja
JP2015064102A5 (enExample
Inventor
土屋　邦博
邦博 土屋
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.)
Minebea Co Ltd
Original Assignee
Minebea 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 Minebea Co Ltd filed Critical Minebea Co Ltd
Priority to JP2014133033A priority Critical patent/JP6034334B2/ja
Priority to US14/465,245 priority patent/US9330711B2/en
Priority to CN201420478099.1U priority patent/CN204152972U/zh
Publication of JP2015064102A publication Critical patent/JP2015064102A/ja
Publication of JP2015064102A5 publication Critical patent/JP2015064102A5/ja
Priority to US15/062,922 priority patent/US9640207B2/en
Application granted granted Critical
Publication of JP6034334B2 publication Critical patent/JP6034334B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4813—Mounting or aligning of arm assemblies, e.g. actuator arm supported by bearings, multiple arm assemblies, arm stacks or multiple heads on single arm
    • 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
    • F16C33/72—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
    • 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
    • F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
    • 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
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • 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
    • F16C35/07—Fixing them on the shaft or housing with interposition of an element
    • F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1446—Reducing contamination, e.g. by dust, debris
    • G11B33/1473—Reducing contamination, e.g. by dust, debris of/from bearings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5569—Track change, selection or acquisition by displacement of the head across disk tracks details of specially adapted mobile parts, e.g. electromechanical control devices
    • 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
    • F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
    • F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments
    • F16C2370/12—Hard disk drives or the like
    • 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
    • F16C33/784—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race
    • F16C33/7843—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc
    • F16C33/7846—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted to a groove in the inner surface of the outer race and extending toward the inner race with a single annular sealing disc with a gap between the annular disc and the inner race

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moving Of Heads (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Sealing Of Bearings (AREA)
  • Rolling Contact Bearings (AREA)
JP2014133033A 2013-08-26 2014-06-27 軸受装置 Expired - Fee Related JP6034334B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014133033A JP6034334B2 (ja) 2013-08-26 2014-06-27 軸受装置
US14/465,245 US9330711B2 (en) 2013-08-26 2014-08-21 Bearing device
CN201420478099.1U CN204152972U (zh) 2013-08-26 2014-08-22 轴承装置
US15/062,922 US9640207B2 (en) 2013-08-26 2016-03-07 Bearing device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013174376 2013-08-26
JP2013174376 2013-08-26
JP2014133033A JP6034334B2 (ja) 2013-08-26 2014-06-27 軸受装置

Publications (3)

Publication Number Publication Date
JP2015064102A JP2015064102A (ja) 2015-04-09
JP2015064102A5 JP2015064102A5 (enExample) 2015-12-03
JP6034334B2 true JP6034334B2 (ja) 2016-11-30

Family

ID=52480167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014133033A Expired - Fee Related JP6034334B2 (ja) 2013-08-26 2014-06-27 軸受装置

Country Status (3)

Country Link
US (2) US9330711B2 (enExample)
JP (1) JP6034334B2 (enExample)
CN (1) CN204152972U (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9590209B2 (en) * 2012-11-08 2017-03-07 Pioneer Corporation Mirror device
JP2015115081A (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
JP6297347B2 (ja) * 2014-02-14 2018-03-20 ミネベアミツミ株式会社 ピボットアッシー用軸受装置およびこれを用いた磁気ヘッド駆動装置
US9500233B2 (en) * 2014-11-11 2016-11-22 Minebea Co., Ltd. Pivot assembly bearing and disk drive device
US9424887B1 (en) * 2015-04-22 2016-08-23 Seagate Technology Llc Apparatus with vapor-trapping pathway

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04125854A (ja) * 1990-09-17 1992-04-27 Tokyo Electric Co Ltd メディア駆動装置
US5596235A (en) * 1993-02-22 1997-01-21 Nidec Corporation Spindle motor with seal structure
JP2927675B2 (ja) * 1993-09-03 1999-07-28 株式会社三協精機製作所 磁気ディスク駆動装置
JPH07182770A (ja) * 1993-12-21 1995-07-21 Toshiba Corp 磁気ディスク装置およびその組み立て方法
JP3645601B2 (ja) * 1995-01-30 2005-05-11 日本電産株式会社 スピンドルモータ
JP3273891B2 (ja) * 1996-06-28 2002-04-15 株式会社三協精機製作所 ディスク駆動モータ及びそのロータ並びにロータの製造方法
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
JP2006185484A (ja) * 2004-12-27 2006-07-13 Hitachi Global Storage Technologies Netherlands Bv 磁気ディスク装置のヘッド用軸受け機構及びこれを有する磁気ディスク装置
US7675210B2 (en) * 2005-03-11 2010-03-09 Panasonic Corporation Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same
JP2008069920A (ja) 2006-09-15 2008-03-27 Nsk Ltd 転がり軸受ユニット及び転がり軸受ユニットの洗浄方法
JP2008128481A (ja) * 2006-11-27 2008-06-05 Nsk Ltd 軸受ユニット
JP5599194B2 (ja) * 2010-01-29 2014-10-01 ミネベア株式会社 軸受装置
JP5607978B2 (ja) 2010-04-08 2014-10-15 ミネベア株式会社 ピボットアッシー軸受
KR20130035395A (ko) * 2011-09-30 2013-04-09 삼성전기주식회사 스핀들 모터
US8807836B2 (en) * 2012-06-05 2014-08-19 Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. Rotating device

Also Published As

Publication number Publication date
JP2015064102A (ja) 2015-04-09
US9640207B2 (en) 2017-05-02
US20160189736A1 (en) 2016-06-30
US20150055250A1 (en) 2015-02-26
US9330711B2 (en) 2016-05-03
CN204152972U (zh) 2015-02-11

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