JP2013145021A - 回転機器 - Google Patents

回転機器 Download PDF

Info

Publication number
JP2013145021A
JP2013145021A JP2012006024A JP2012006024A JP2013145021A JP 2013145021 A JP2013145021 A JP 2013145021A JP 2012006024 A JP2012006024 A JP 2012006024A JP 2012006024 A JP2012006024 A JP 2012006024A JP 2013145021 A JP2013145021 A JP 2013145021A
Authority
JP
Japan
Prior art keywords
band
dynamic pressure
groove
shaped region
region
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.)
Pending
Application number
JP2012006024A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013145021A5 (https=
Inventor
Keisuke Suzuki
鈴木　　啓介
Takuji Yamada
卓司 山田
Mitsuo Kodama
光生 児玉
Shigeyoshi Mori
重好 森
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.)
Samsung Electro Mechanics Japan Advanced Technology Co Ltd
Original Assignee
Samsung Electro Mechanics Japan Advanced Technology 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 Samsung Electro Mechanics Japan Advanced Technology Co Ltd filed Critical Samsung Electro Mechanics Japan Advanced Technology Co Ltd
Priority to JP2012006024A priority Critical patent/JP2013145021A/ja
Priority to US13/736,717 priority patent/US20130181558A1/en
Publication of JP2013145021A publication Critical patent/JP2013145021A/ja
Publication of JP2013145021A5 publication Critical patent/JP2013145021A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • 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
    • H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
    • H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
    • 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
    • F16C33/106—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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08—Structural association with bearings
    • H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/30—Angles, e.g. inclinations
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/42—Groove sizes
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/70—Diameters; Radii

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
JP2012006024A 2012-01-16 2012-01-16 回転機器 Pending JP2013145021A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012006024A JP2013145021A (ja) 2012-01-16 2012-01-16 回転機器
US13/736,717 US20130181558A1 (en) 2012-01-16 2013-01-08 Rotating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012006024A JP2013145021A (ja) 2012-01-16 2012-01-16 回転機器

Publications (2)

Publication Number Publication Date
JP2013145021A true JP2013145021A (ja) 2013-07-25
JP2013145021A5 JP2013145021A5 (https=) 2015-01-22

Family

ID=48779489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012006024A Pending JP2013145021A (ja) 2012-01-16 2012-01-16 回転機器

Country Status (2)

Country Link
US (1) US20130181558A1 (https=)
JP (1) JP2013145021A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015120122A (ja) * 2013-12-24 2015-07-02 三菱日立パワーシステムズ株式会社 ローラの軸受装置及び竪型ミル
JP2016105005A (ja) * 2014-12-01 2016-06-09 日本電産株式会社 流体軸受装置、スピンドルモータ、およびディスク駆動装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9790990B2 (en) * 2013-06-17 2017-10-17 Seagate Technology Llc Bearing gap determined depth and width
JP6466105B2 (ja) * 2014-09-01 2019-02-06 Ntn株式会社 流体動圧軸受装置とこれに用いられる軸受部材及び軸部材
JP6577404B2 (ja) * 2016-04-05 2019-09-18 ファナック株式会社 絞りユニット及びこれを備えた静圧軸受装置並びに溝付きブロックの製造方法
CN110821950B (zh) * 2019-09-23 2021-08-13 西安交通大学 一种变槽深结构液体动压润滑人字槽轴承
US20230060983A1 (en) * 2021-08-25 2023-03-02 Wei-yung Lin Hydrodynamic bearing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002310145A (ja) * 2001-04-11 2002-10-23 Daido Steel Co Ltd 軸受機構、それを用いたハードディスク駆動機構及びポリゴンミラー駆動機構
JP2007333004A (ja) * 2006-06-12 2007-12-27 Nippon Densan Corp 動圧流体軸受装置、スピンドルモータ及びこのスピンドルモータを備えた記録ディスク駆動装置
JP2010144778A (ja) * 2008-12-17 2010-07-01 Nippon Densan Corp 軸受装置、スピンドルモータ、及びディスク駆動装置
JP2011058595A (ja) * 2009-09-14 2011-03-24 Alphana Technology Co Ltd ディスク駆動装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7568839B2 (en) * 2004-02-18 2009-08-04 Seiko Instruments Inc. Fluid dynamic pressure bearing, motor, and recording medium driving device
JP4418531B2 (ja) * 2004-09-09 2010-02-17 日本電産株式会社 流体動圧軸受装置及びスピンドルモータ
DE102004045629B4 (de) * 2004-09-21 2008-07-03 Minebea Co., Ltd. Fluiddynamisches Lagersystem
JP2006283773A (ja) * 2005-03-31 2006-10-19 Matsushita Electric Ind Co Ltd 動圧流体軸受装置および動圧流体軸受装置を備えた小型モータ
JP5563775B2 (ja) * 2009-03-17 2014-07-30 サムスン電機ジャパンアドバンスドテクノロジー株式会社 ディスク駆動装置
JP2011002024A (ja) * 2009-06-18 2011-01-06 Nippon Densan Corp 軸受装置、スピンドルモータ、及びディスク駆動装置
KR101179323B1 (ko) * 2011-02-24 2012-09-03 삼성전기주식회사 유체 동압 베어링 어셈블리 및 이를 포함하는 모터
JP2013007469A (ja) * 2011-06-27 2013-01-10 Nippon Densan Corp 流体動圧軸受機構の製造方法およびモータ、並びに、ディスク駆動装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002310145A (ja) * 2001-04-11 2002-10-23 Daido Steel Co Ltd 軸受機構、それを用いたハードディスク駆動機構及びポリゴンミラー駆動機構
JP2007333004A (ja) * 2006-06-12 2007-12-27 Nippon Densan Corp 動圧流体軸受装置、スピンドルモータ及びこのスピンドルモータを備えた記録ディスク駆動装置
JP2010144778A (ja) * 2008-12-17 2010-07-01 Nippon Densan Corp 軸受装置、スピンドルモータ、及びディスク駆動装置
JP2011058595A (ja) * 2009-09-14 2011-03-24 Alphana Technology Co Ltd ディスク駆動装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015120122A (ja) * 2013-12-24 2015-07-02 三菱日立パワーシステムズ株式会社 ローラの軸受装置及び竪型ミル
JP2016105005A (ja) * 2014-12-01 2016-06-09 日本電産株式会社 流体軸受装置、スピンドルモータ、およびディスク駆動装置

Also Published As

Publication number Publication date
US20130181558A1 (en) 2013-07-18

Similar Documents

Publication Publication Date Title
JP2013145021A (ja) 回転機器
JP5166323B2 (ja) ディスク駆動装置およびその生産方法
JP5519314B2 (ja) 回転機器
JP2011090739A (ja) ディスク駆動装置
JP3727253B2 (ja) 動圧流体軸受装置
JP2012145157A (ja) 回転機器および回転機器を製造する方法
US20120049680A1 (en) Rotating device having rotor, stator, and driving mechanism
US8213113B2 (en) Disk drive device with vibration reduction of second order rocking-mode resonance
US8757883B2 (en) Disk drive device
US8913343B2 (en) Rotating device using a fluid dynamic bearing with magnet and suction plate
JP2014060909A (ja) スピンドルモータ及びこれを含むハードディスクドライブ
JP5553641B2 (ja) 着磁装置および回転機器の製造方法
JP5717953B2 (ja) ディスク駆動装置
JP2013133865A (ja) 流体動圧軸受ユニットおよび回転機器
JP5210054B2 (ja) モータおよびそれを用いたディスク駆動装置
US8922944B2 (en) Rotating device
CN1766356A (zh) 动压轴承装置
US8368282B2 (en) Disk drive device rotationally driving recording disk
JP2012165627A (ja) 回転機器
JP2014082349A (ja) 着磁装置、回転機器の製造方法および回転機器
JP2009024771A (ja) 軸受ユニット、およびこの軸受ユニットを搭載したモータ並びにディスク駆動装置
JP2014032713A (ja) 回転機器
JP2006170431A (ja) 流体動圧軸受装置およびこの動圧軸受装置を搭載したスピンドルモータ並びに記録ディスク駆動装置
JP2013218752A (ja) ディスク駆動装置
JP7424906B2 (ja) 流体動圧軸受装置、スピンドルモータ、およびハードディスク駆動装置

Legal Events

Date Code Title Description
RD02 Notification of acceptance of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7422

Effective date: 20141010

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141203

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20141210

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150910

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20151013

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20160308