KR20000047770A - 동압베어링장치 및 그 제조방법 - Google Patents
동압베어링장치 및 그 제조방법 Download PDFInfo
- Publication number
- KR20000047770A KR20000047770A KR1019990053670A KR19990053670A KR20000047770A KR 20000047770 A KR20000047770 A KR 20000047770A KR 1019990053670 A KR1019990053670 A KR 1019990053670A KR 19990053670 A KR19990053670 A KR 19990053670A KR 20000047770 A KR20000047770 A KR 20000047770A
- Authority
- KR
- South Korea
- Prior art keywords
- dynamic pressure
- pressure generating
- porous material
- generating portion
- dynamic
- Prior art date
Links
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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
-
- 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
- F16C33/1075—Wedges, e.g. ramps or lobes, 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/028—Sliding-contact bearings for exclusively rotary movement for radial load only with fixed wedges to generate hydrodynamic pressure, e.g. multi-lobe 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
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
-
- 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
-
- 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S384/00—Bearings
- Y10S384/90—Cooling or heating
- Y10S384/902—Porous member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (8)
- 축부재와;상기 축부재에 대해 상대회전이 가능하도록 마련된 베어링부재와;상기 축부재와 베어링부재의 최소한 한쪽부재에 형성된 동압발생부(이 동압발생부는 다른쪽의 부재를 향해 반경방향으로 돌출하는 윤활유체 가압용의 볼록형상 표면을 갖는다)를 갖춘 동압베어링장치로서,상기 동압발생부는 둘레방향을 따라 간헐적으로 여러개 배치되고,그 여러개의 각 동압발생부 사이부분에 상기 동압발생부에서 발생한 동압과 함께 발생하는 부압을 해소하는 부압해소부가 배치되며,상기 부압해소부는 다공질의 재료로 형성되고, 그 표면에는 상기 윤활유체를 공급 또는 흡수하는 여러개의 기공이 노출되도록 배치되는 것을 특징으로 하는 동압베어링장치.
- 제 1항에 있어서,상기 동압발생부는 다공질의 재료로 형성되고,상기 동압발생부를 구성하고 있는 다공질재료의 볼록형상 표면에 있어 기공율 PL과 상기 부압해소부의 표면을 구성하고 있는 다공질 재료의 기공율 PG과의 관계가 PL<< PG조건을 만족하고 있는 것을 특징으로 하는 동압베어링장치.
- 제 2항에 있어서,상기 다공질재료로 이루어지는 동압발생부와 부압해소부 사이에 상기 동압발생부에서 발생한 동압을 유지하는 동압보조부가 배치되고,이 동압보조부는 상기 동압발생부 및 상기 부압해소부를 구성하고 있는 상기 다공질재료와 동일한 상기 다공질재료로 구성되며,상기 동압보조부를 구성하고 있는 상기 다공질재료의 표면에 있어 기공율 PW과 상기 동압발생부를 구성하고 있는 상기 다공질재료의 상기 볼록형상표면에 있어 기공율 PL과의 관계가 PL PW를 만족하고 있는 것을 특징으로 하는 동압베어링장치.
- 제 3항에 있어서,상기 동압보조부의 표면은 동압발생부의 볼록형상표면에 대해 단차를 통해 스텝형상으로 움푹 파인 원호형상면으로 형성되는 것을 특징으로 하는 동압베어링장치.
- 제 2항에 있어서,상기 동압보조부의 표면은 상기 동압발생부의 볼록형상 표면과 상기 부압해소부의 홈 바닥면을 연속적으로 잇는 테이퍼형상의 경사면으로 구성되는 것을 특징으로 하는 동압베어링장치.
- 제 1항에 있어서,상기 다공질재료가 분말치금공법에 의해 형성된 소결금속재료인 것을 특징으로 하는 동압베어링장치.
- 제 2항에 있어서,상기 다공질재료가 분말치금공법에 의해 형성된 소결금속재료인 것을 특징으로 하는 동압베어링장치.
- 상대회전이 가능하도록 장착되는 축부재와 베어링부재의 최소한 한쪽 부재에 다른쪽 부재를 향해 반경방향으로 돌출하는 윤활유체 가압용의 볼록형상 표면을 갖는 동압발생부를 둘레방향을 따라 간헐적으로 여러개 배치하고,그들 여러개의 각 동압발생부 사이부분에 이 동압발생부에서 발생한 동압과 함께 발생하는 부압을 해소하는 부압해소부를 형성하도록 한 동압베어링의 제조방법으로서,상기 동압발생부를 형성하는 축 부재 또는 베어링부재의 전체형상을 다공질 재료로 형성해 두고,상기 부압해소부의 표면을 상기 다공질 재료의 기공이 그대로 노출하도록 형성하며,상기 동압발생부를 구성하고 있는 다공질재료의 볼록형상 표면에 있어 기공을 메우는 공정을 실시함으로써 이 동압발생부의 볼록형상 표면에 있어 기공율 PL을 상기 부압해소부에 상당하는 면에 있어 기공율 PG보다도 작게하는 것을 특징으로 하는 동압베어링장치의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP98-341958 | 1998-12-01 | ||
JP34195898A JP3962168B2 (ja) | 1998-12-01 | 1998-12-01 | 動圧軸受装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000047770A true KR20000047770A (ko) | 2000-07-25 |
KR100364860B1 KR100364860B1 (ko) | 2002-12-16 |
Family
ID=18350091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990053670A KR100364860B1 (ko) | 1998-12-01 | 1999-11-30 | 동압베어링장치 및 그 제조방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6244749B1 (ko) |
JP (1) | JP3962168B2 (ko) |
KR (1) | KR100364860B1 (ko) |
TW (1) | TW444106B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100708924B1 (ko) * | 2004-03-15 | 2007-04-17 | 다이도 메탈 고교 가부시키가이샤 | 포일식 동압 저널 베어링 및 그 제조방법 |
KR20170121966A (ko) * | 2016-04-26 | 2017-11-03 | 한국기계연구원 | 저부하/저편심 성능향상 수력 원통형 터빈 가이드 베어링 |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6540404B1 (en) * | 1998-09-11 | 2003-04-01 | Robert Bosch Gmbh | Sintered plain bearing for engines and gears |
JP2000304033A (ja) * | 1999-04-22 | 2000-10-31 | Sumitomo Electric Ind Ltd | 動圧軸受 |
DE19947462C1 (de) * | 1999-10-02 | 2000-10-26 | Simon Karl Gmbh & Co Kg | Sintergleitlager für Motoren und Getriebe |
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 |
US20030132678A1 (en) * | 2000-03-10 | 2003-07-17 | Samsung Electro-Mechanics Co., Ltd. | Sintered oilless bearing and motor using the same |
JP3942482B2 (ja) * | 2001-06-27 | 2007-07-11 | 日本電産株式会社 | 動圧軸受装置及びこれを備えたモータ |
JP2003194045A (ja) * | 2001-12-28 | 2003-07-09 | Sankyo Seiki Mfg Co Ltd | 動圧軸受装置 |
KR100465178B1 (ko) * | 2002-06-04 | 2005-01-13 | (주)지엔더블유테크놀러지 | 스핀들 모터의 조합형 동압 베어링 |
TW547869U (en) * | 2002-07-10 | 2003-08-11 | Hon Hai Prec Ind Co Ltd | Bearing device for motor |
DE10332390A1 (de) * | 2003-07-11 | 2005-02-24 | M&T Verbundtechnologie Gmbh | Mehrflächengleitlager |
DE102004012757A1 (de) * | 2004-03-15 | 2005-10-06 | Robert Bosch Gmbh | Gleitlager |
JP2005315357A (ja) * | 2004-04-28 | 2005-11-10 | Nippon Densan Corp | 動圧軸受、スピンドルモータ及び記録ディスク装置 |
JP2006071062A (ja) * | 2004-09-06 | 2006-03-16 | Hitachi Powdered Metals Co Ltd | 動圧軸受 |
JP2006183807A (ja) * | 2004-12-28 | 2006-07-13 | Nidec Sankyo Corp | 軸受装置 |
CN1940322A (zh) * | 2005-09-30 | 2007-04-04 | 富准精密工业(深圳)有限公司 | 流体动压轴承 |
TW200914736A (en) * | 2007-09-28 | 2009-04-01 | Sunonwealth Electr Mach Ind Co | Structure of bearing |
DE102008051544B4 (de) * | 2008-10-14 | 2012-12-27 | Continental Automotive Gmbh | Spindeltrieb mit Verdrehsicherung |
NO2486292T3 (ko) * | 2009-10-09 | 2018-01-06 | ||
EP2486293B1 (en) * | 2009-10-09 | 2018-02-21 | Dresser-Rand Company | Auxiliary bearing system with plurality of inertia rings for magnetically supported rotor system |
EP2486296A4 (en) * | 2009-10-09 | 2015-07-15 | Dresser Rand Co | AUXILIARY OIL TANK BEARING SYSTEM FOR A MAGNETIC ROTOR SYSTEM |
EP2486295B1 (en) * | 2009-10-09 | 2018-03-14 | Dresser-Rand Company | Auxiliary bearing system with oil ring for magnetically supported rotor system |
WO2011088004A2 (en) | 2010-01-15 | 2011-07-21 | Dresser-Rand Company | Bearing assembly support and adjustment system |
US8994237B2 (en) | 2010-12-30 | 2015-03-31 | Dresser-Rand Company | Method for on-line detection of liquid and potential for the occurrence of resistance to ground faults in active magnetic bearing systems |
US9024493B2 (en) | 2010-12-30 | 2015-05-05 | Dresser-Rand Company | Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems |
WO2012138545A2 (en) | 2011-04-08 | 2012-10-11 | Dresser-Rand Company | Circulating dielectric oil cooling system for canned bearings and canned electronics |
WO2012166236A1 (en) | 2011-05-27 | 2012-12-06 | Dresser-Rand Company | Segmented coast-down bearing for magnetic bearing systems |
US8851756B2 (en) | 2011-06-29 | 2014-10-07 | Dresser-Rand Company | Whirl inhibiting coast-down bearing for magnetic bearing systems |
JP2013104560A (ja) * | 2011-11-10 | 2013-05-30 | Samsung Electro-Mechanics Co Ltd | 流体動圧軸受アセンブリ及びそれを含むモータ |
EP2921725A1 (en) * | 2014-03-18 | 2015-09-23 | ThyssenKrupp Metalúrgica Campo Limpo Ltda. | Friction minimized crank-drive |
US10473159B2 (en) | 2014-12-05 | 2019-11-12 | Energy Recovery, Inc. | Hydrodynamic bearing features |
EP3258123B1 (en) * | 2015-02-10 | 2018-09-05 | Mitsubishi Heavy Industries, Ltd. | Floating bush bearing device and supercharger provided with same |
CN105134642A (zh) * | 2015-08-24 | 2015-12-09 | 联想(北京)有限公司 | 轴承、风扇及旋转设备 |
CN108431436B (zh) * | 2015-12-25 | 2019-11-08 | 三菱综合材料株式会社 | 烧结含油轴承及其制造方法 |
JP2020051546A (ja) * | 2018-09-27 | 2020-04-02 | Ntn株式会社 | 焼結軸受、流体動圧軸受装置、及びモータ |
JP7100004B2 (ja) * | 2019-09-30 | 2022-07-12 | 大同メタル工業株式会社 | 半割軸受およびすべり軸受 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3306940B2 (ja) * | 1993-01-08 | 2002-07-24 | 住友電気工業株式会社 | 複合軸受構造 |
JPH10196640A (ja) * | 1997-01-06 | 1998-07-31 | Koyo Seiko Co Ltd | 動圧軸受 |
-
1998
- 1998-12-01 JP JP34195898A patent/JP3962168B2/ja not_active Expired - Lifetime
-
1999
- 1999-11-30 KR KR1019990053670A patent/KR100364860B1/ko active IP Right Grant
- 1999-12-01 TW TW088120964A patent/TW444106B/zh not_active IP Right Cessation
- 1999-12-01 US US09/451,780 patent/US6244749B1/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100708924B1 (ko) * | 2004-03-15 | 2007-04-17 | 다이도 메탈 고교 가부시키가이샤 | 포일식 동압 저널 베어링 및 그 제조방법 |
KR20170121966A (ko) * | 2016-04-26 | 2017-11-03 | 한국기계연구원 | 저부하/저편심 성능향상 수력 원통형 터빈 가이드 베어링 |
Also Published As
Publication number | Publication date |
---|---|
JP2000170746A (ja) | 2000-06-20 |
TW444106B (en) | 2001-07-01 |
US6244749B1 (en) | 2001-06-12 |
JP3962168B2 (ja) | 2007-08-22 |
KR100364860B1 (ko) | 2002-12-16 |
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