JP2016098891A - 流体動圧軸受装置の製造方法 - Google Patents
流体動圧軸受装置の製造方法 Download PDFInfo
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- JP2016098891A JP2016098891A JP2014235543A JP2014235543A JP2016098891A JP 2016098891 A JP2016098891 A JP 2016098891A JP 2014235543 A JP2014235543 A JP 2014235543A JP 2014235543 A JP2014235543 A JP 2014235543A JP 2016098891 A JP2016098891 A JP 2016098891A
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- 239000012530 fluid Substances 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 21
- 239000010687 lubricating oil Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Classifications
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- 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
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
- F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
- F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
-
- 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
- F16C33/08—Attachment of brasses, bushes or linings to the bearing housing
-
- 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
- F16C33/74—Sealings of sliding-contact bearings
-
- 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
-
- 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
-
- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Power Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
この段階では、図4に示すように、軸部材21の外周に固定した軸受部材22の上端面22b(第2スラスト軸受面C)とシール部材9の下端面9bとを当接させることによって基準出しが行われる。図示例では、予め軸受部材22を外周に固定した軸部材21の上端面21cを第1支持部材11の上端面11bに、また、シール部材9の上端面9cを第2支持部材12の上端面12bに当接させるようにして軸部材21及びシール部材9を組立装置にセットすることにより、軸受部材22の第2スラスト軸受面Cとシール部材9の下端面9bとが当接する。なお、軸受部材22は、圧入のみにより軸部材21の外周に固定されている。
次に、図5に示すように、第1支持部材11と第2支持部材12を軸方向に相対移動させ(ここでは第1支持部材11を上昇移動させ)、軸受部材22の第2スラスト軸受面Cとシール部材9の下端面9bとの間に、隙間幅δの軸方向隙間14を形成する。ここで、軸方向隙間14の隙間幅δは、形成(設定)すべき第1スラスト軸受隙間の隙間幅をδ1、設定すべき第2スラスト軸受隙間の隙間幅をδ2とした場合、δ=δ1+δ2の関係式が成立する値、すなわち両スラスト軸受隙間の隙間幅の合計量に等しい値とする。なお、軸方向隙間14の隙間幅δは、実際には十数μm〜数十μm程度であるが、図5(及び図6)では理解の容易化のために誇張して描いている。
次に、図6に示すように、隙間幅δの軸方向隙間14を保持したまま、ハウジング7の内底面7b1に軸受部材22の下端面22c(第1スラスト軸受面C)が接触するまで両支持部材11,12と図示しない保持部材とを相対的に接近移動させると、ハウジング7の大径内周面7a1に、シール部材9がしまりばめの状態で嵌合固定される。これにより、外周に軸受部材22を固定した軸部材21が相対回転可能にハウジング7の内周に収容されると共に、ハウジング7の軸方向所定位置(第1及び第2スラスト軸受隙間の隙間幅を所定値に設定し得る位置)にシール部材9が固定されたアセンブリが得られる。
2 回転体
7 ハウジング
7a 筒部
7b 底部
7b1 内底面
9 シール部材
14 軸方向隙間
21 軸部材
22 軸受部材
A ラジアル軸受面
B 第1スラスト軸受面
C 第2スラスト軸受面
S シール空間
R ラジアル軸受部
T1 第1スラスト軸受部
T2 第2スラスト軸受部
δ (軸方向隙間の)隙間幅
Claims (4)
- 軸部材と、軸部材の外周に固定された軸受部材と、筒部及びその一端開口を閉塞する底部を一体に有し、軸部材および軸受部材を相対回転可能に内周に収容したハウジングと、ハウジングの他端開口部をシールするシール部材とを備え、軸受部材が、外周面に、前記筒部の内周面との間にラジアル軸受隙間を形成するラジアル軸受面を有すると共に、一端面及び他端面のそれぞれに、前記底部との間に第1スラスト軸受隙間を形成する第1スラスト軸受面及びシール部材との間に第2スラスト軸受隙間を形成する第2スラスト軸受面を有する流体動圧軸受装置の組み立てに際し、
軸部材の外周に固定した軸受部材の第2スラスト軸受面とシール部材の間に、2つのスラスト軸受隙間の隙間幅の合計量に等しい隙間幅を有する軸方向隙間を形成した後、この軸方向隙間の隙間幅を保持したまま軸部材及び軸受部材、並びにシール部材をハウジングに対して相対移動させ、軸受部材の第1スラスト軸受面が前記底部に接触した時点でシール部材をハウジングに固定することを特徴とする流体動圧軸受装置の製造方法。 - 軸受部材を圧入のみで軸部材の外周に固定する請求項1に記載の流体動圧軸受装置の製造方法。
- シール部材を、ハウジングの内周にしまりばめの状態で固定する請求項1又は2に記載の流体動圧軸受装置の製造方法。
- シール部材を、ハウジングの内周にすきまばめの状態で固定する請求項1又は2に記載の流体動圧軸受装置の製造方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014235543A JP6502068B2 (ja) | 2014-11-20 | 2014-11-20 | 流体動圧軸受装置の製造方法 |
DE112015005266.6T DE112015005266T5 (de) | 2014-11-20 | 2015-10-20 | Herstellungsverfahren für fluiddynamische Lagervorrichtungen |
CN201580062936.XA CN107002762B (zh) | 2014-11-20 | 2015-10-20 | 流体动压轴承装置的制造方法 |
US15/520,944 US9964144B2 (en) | 2014-11-20 | 2015-10-20 | Manufacturing method for fluid dynamic bearing devices |
PCT/JP2015/079564 WO2016080137A1 (ja) | 2014-11-20 | 2015-10-20 | 流体動圧軸受装置の製造方法 |
Applications Claiming Priority (1)
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JP2014235543A JP6502068B2 (ja) | 2014-11-20 | 2014-11-20 | 流体動圧軸受装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2016098891A true JP2016098891A (ja) | 2016-05-30 |
JP6502068B2 JP6502068B2 (ja) | 2019-04-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014235543A Expired - Fee Related JP6502068B2 (ja) | 2014-11-20 | 2014-11-20 | 流体動圧軸受装置の製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9964144B2 (ja) |
JP (1) | JP6502068B2 (ja) |
CN (1) | CN107002762B (ja) |
DE (1) | DE112015005266T5 (ja) |
WO (1) | WO2016080137A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017106708A1 (en) * | 2015-12-18 | 2017-06-22 | National Oilwell Varco, L.P. | Microfluidic-assisted hydrodynamic lubrication system and method |
CN108427491B (zh) * | 2017-02-13 | 2019-12-10 | 全亿大科技(佛山)有限公司 | 散热风扇以及具有该散热风扇的电子装置 |
TWI705189B (zh) * | 2019-08-27 | 2020-09-21 | 建準電機工業股份有限公司 | 軸承系統 |
JP2021099162A (ja) | 2019-12-19 | 2021-07-01 | イートン インテリジェント パワー リミテッドEaton Intelligent Power Limited | 自己矯正流体力学的シール |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002061637A (ja) * | 2000-08-23 | 2002-02-28 | Ntn Corp | 動圧型軸受装置 |
JP2003314538A (ja) * | 2002-04-25 | 2003-11-06 | Ntn Corp | 動圧軸受装置の製造方法 |
JP2006342975A (ja) * | 2006-09-25 | 2006-12-21 | Ntn Corp | 動圧型軸受装置 |
JP2008267531A (ja) * | 2007-04-23 | 2008-11-06 | Ntn Corp | 動圧軸受装置の製造方法 |
US20100189383A1 (en) * | 2007-07-31 | 2010-07-29 | Ntn Corporation | Fluid dynamic bearing device and assembling method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4216509B2 (ja) * | 2002-02-20 | 2009-01-28 | Ntn株式会社 | 動圧軸受装置の製造方法 |
JP3981564B2 (ja) | 2002-02-20 | 2007-09-26 | Ntn株式会社 | 動圧軸受装置及びその製造方法 |
WO2005098252A1 (ja) * | 2004-04-09 | 2005-10-20 | Ntn Corporation | 動圧軸受装置 |
JP2007024089A (ja) * | 2005-07-12 | 2007-02-01 | Ntn Corp | 動圧軸受装置およびモータ |
US9154012B2 (en) * | 2010-03-29 | 2015-10-06 | Ntn Corporation | Fluid dynamic bearing device and assembly method for same |
JP5951365B2 (ja) * | 2012-06-18 | 2016-07-13 | Ntn株式会社 | 流体動圧軸受装置及びこれを備えるモータ |
-
2014
- 2014-11-20 JP JP2014235543A patent/JP6502068B2/ja not_active Expired - Fee Related
-
2015
- 2015-10-20 CN CN201580062936.XA patent/CN107002762B/zh not_active Expired - Fee Related
- 2015-10-20 US US15/520,944 patent/US9964144B2/en active Active
- 2015-10-20 DE DE112015005266.6T patent/DE112015005266T5/de not_active Withdrawn
- 2015-10-20 WO PCT/JP2015/079564 patent/WO2016080137A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002061637A (ja) * | 2000-08-23 | 2002-02-28 | Ntn Corp | 動圧型軸受装置 |
JP2003314538A (ja) * | 2002-04-25 | 2003-11-06 | Ntn Corp | 動圧軸受装置の製造方法 |
JP2006342975A (ja) * | 2006-09-25 | 2006-12-21 | Ntn Corp | 動圧型軸受装置 |
JP2008267531A (ja) * | 2007-04-23 | 2008-11-06 | Ntn Corp | 動圧軸受装置の製造方法 |
US20100189383A1 (en) * | 2007-07-31 | 2010-07-29 | Ntn Corporation | Fluid dynamic bearing device and assembling method thereof |
Also Published As
Publication number | Publication date |
---|---|
CN107002762B (zh) | 2019-05-28 |
US20170343042A1 (en) | 2017-11-30 |
US9964144B2 (en) | 2018-05-08 |
JP6502068B2 (ja) | 2019-04-17 |
DE112015005266T5 (de) | 2017-08-17 |
WO2016080137A1 (ja) | 2016-05-26 |
CN107002762A (zh) | 2017-08-01 |
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