KR20000048675A - 미공을 구비한 베어링 및 그 설계 방법 - Google Patents
미공을 구비한 베어링 및 그 설계 방법 Download PDFInfo
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- KR20000048675A KR20000048675A KR1019990702623A KR19997002623A KR20000048675A KR 20000048675 A KR20000048675 A KR 20000048675A KR 1019990702623 A KR1019990702623 A KR 1019990702623A KR 19997002623 A KR19997002623 A KR 19997002623A KR 20000048675 A KR20000048675 A KR 20000048675A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000013461 design Methods 0.000 title claims description 33
- 239000011148 porous material Substances 0.000 claims abstract description 55
- 238000009826 distribution Methods 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- 229910010271 silicon carbide Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
- F16J15/3404—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal
- F16J15/3408—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface
- F16J15/3424—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member and characterised by parts or details relating to lubrication, cooling or venting of the seal at least one ring having an uneven slipping surface with microcavities
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
-
- 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
- F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]
-
- 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
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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
- 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
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
-
- 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
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
-
- 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
- F16C2240/44—Hole or pocket sizes
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
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- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/268—Monolayer with structurally defined element
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Ceramic Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
Claims (37)
- 표면에 다수의 미공을 구비한 베어링을 설계 및 제조하는 방법에 있어서,① 다수의 구멍 분포 및 비반구형 구멍 형태를 선택하는 단계와,② 비압축성 유체에 의해 분리된 지지 표면 쌍의 유체역학 압력 분포를 모델화하는 단계로서, 상기 쌍의 각각의 하나의 지지 표면은 그 슬라이딩 면상의 형태중 하나의 다수의 구멍의 분포중 하나를 구비하는, 상기 모델화 단계와,③ 상기 모델화에 의거해서 최적의 구멍 분포 및 최적의 구멍 형태를 선택하는 단계를 포함하는베어링 설계 및 제조 방법.
- 제 1 항에 있어서,상기 구멍 형태는 원통형으로 대칭인 형태를 포함하는베어링 설계 및 제조 방법.
- 제 2 항에 있어서,상기 구멍 형태는 구형 캡 및 직각 원형 원뿔을 포함하는베어링 설계 및 제조 방법.
- 제 1 항에 있어서,④ 베어링의 표면에 실질적으로 최적인 구멍 분포 및 실질적으로 최적인 구멍 형태를 구비한 다수의 미공을 형성하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 제 1 항에 있어서,상기 미공은 펄스형 레이저 비임을 이용하여 형성되는베어링 설계 및 제조 방법.
- 제 5 항에 있어서,상기 미공의 각각은 상기 레이저 비임의 하나의 펄스를 이용하여 형성되는베어링 설계 및 제조 방법.
- 제 6 항에 있어서,상기 레이저 비임은 비임 프로파일을 구비하며,⑤ 비임 프로파일 제어 메카니즘을 제공하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 제 7 항에 있어서,상기 비임 프로파일 제어 메카니즘은 맞춤 렌즈 및 제어된 다중 모드 작동으로 구성되는 그룹으로부터 선택되는베어링 설계 및 제조 방법.
- 제 6 항에 있어서,⑤ 팽창비를 가진 팽창형 망원경 및 초점 길이를 가진 초점 렌즈를 포함하는 초점 광학 시스템을 제공하는 단계와,⑥ 상기 팽창비 및 상기 초점 길이로 구성되는 그룹으로부터 선택된 매개변수를 조정하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 제 6 항에 있어서,상기 펄스의 각각은 펄스 에너지를 가지며,⑤ 상기 펄스 에너지를 조정하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 표면에 다수의 미공을 구비한 베어링을 설계 및 제조하는 방법에 있어서,① 다수의 구멍 분포 및 구멍 형태를 선택하는 단계와,② 압축성 유체에 의해 분리된 지지 표면 쌍의 유체역학 압력 분포를 모델화하는 단계로서, 상기 쌍의 각각의 하나의 지지 표면은 그 슬라이딩 면상의 형태중 하나의 다수의 구멍의 분포중 하나를 구비하는, 상기 모델화 단계와,③ 상기 모델화에 의거해서 최적의 구멍 분포 및 최적의 구멍 형태를 선택하는 단계를 포함하는베어링 설계 및 제조 방법.
- 제 11 항에 있어서,상기 모델화는 압축가능한 레이놀즈 방정식을 풀음으로서 실행되는베어링 설계 및 제조 방법.
- 제 11 항에 있어서,상기 압축가능한 유체는 이상 가스로서 모델화되는베어링 설계 및 제조 방법.
- 제 11 항에 있어서,상기 구멍 형태는 원통형으로 대칭인 형태를 포함하는베어링 설계 및 제조 방법.
- 제 14 항에 있어서,상기 구멍 형태는 구형 캡 및 직각 원형 원뿔을 포함하는베어링 설계 및 제조 방법.
- 제 11 항에 있어서,④ 베어링의 표면에 실질적으로 최적인 구멍 분포 및 실질적으로 최적인 구멍 형태를 구비한 다수의 미공을 형성하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 제 11 항에 있어서,상기 미공은 펄스형 레이저 비임을 이용하여 형성되는베어링 설계 및 제조 방법.
- 제 17 항에 있어서,상기 미공의 각각은 상기 레이저 비임의 하나의 펄스를 이용하여 형성되는베어링 설계 및 제조 방법.
- 제 18 항에 있어서,상기 레이저 비임은 비임 프로파일을 구비하며,⑤ 비임 프로파일 제어 메카니즘을 제공하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 제 19 항에 있어서,상기 비임 프로파일 제어 메카니즘은 맞춤 렌즈 및 제어된 다중 모드 작동으로 구성되는 그룹으로부터 선택되는베어링 설계 및 제조 방법.
- 제 18 항에 있어서,⑤ 팽창비를 가진 팽창형 망원경 및 초점 길이를 가진 초점 렌즈를 포함하는 초점 광학 시스템을 제공하는 단계와,⑥ 상기 팽창비 및 상기 초점 길이로 구성되는 그룹으로부터 선택된 매개변수를 조정하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 제 18 항에 있어서,상기 펄스의 각각은 펄스 에너지를 가지며,⑤ 상기 펄스 에너지를 조정하는 단계를 더 포함하는베어링 설계 및 제조 방법.
- 베어링에 있어서,① 표면을 구비한 표면 영역과,② ㉠ 다수의 비구형 설계 형태를 선택하는 단계와, ㉡ 비압축성 유체에 의해 분리된 지지 표면 쌍의 유체역학 압력 분포를 모델화하는 단계로서, 상기 쌍의 각각의 하나의 지지 표면은 그 슬라이딩 면상의 설계 형태중 하나의 다수의 구멍을 구비하는, 상기 모델화 단계에 의해 선택된 구멍 형태를 가진 다수의 미공을 포함하는베어링.
- 제 23 항에 있어서,상기 구멍 형태는 실질적으로 회전 대칭인베어링.
- 제 24 항에 있어서,상기 구멍 형태는 깊이(a)와 직경(D)에 의해 변수화되며, a/D는 약 0.05와 약 0.15 사이인베어링.
- 제 25 항에 있어서,상기 구멍 형태는 원뿔형 및 구형 캡으로 구성된 그룹으로부터 선택되는베어링.
- 제 25 항에 있어서,상기 미공의 깊이는 약 2미크론과 약 10미크론 사이인베어링.
- 제 25 항에 있어서,상기 미공은 레이저에 의해 형성되는베어링.
- 제 28 항에 있어서,상기 표면 영역은 금속성이며, 상기 표면은 상기 미공 사이에서는 실질적으로 평평한베어링.
- 베어링에 있어서,① 표면을 구비한 표면과,② 실질적으로 회전 대칭이고 비구형 구멍 형태를 가진 다수의 미공을 구비한베어링.
- 제 30 항에 있어서,상기 구멍 형태는 깊이(a)와 직경(D)에 의해 변수화되며, a/D는 약 0.05와 약 0.15 사이인베어링.
- 제 31 항에 있어서,상기 미공의 깊이는 약 2미크론과 약 10미크론 사이인베어링.
- 제 30 항에 있어서,상기 구멍 형태는 깊이(a)와 직경(D)에 의해 변수화되며, a/D는 약 0.5인베어링.
- 제 33 항에 있어서,상기 미공의 깊이는 약 20미크론과 약 60미크론 사이인베어링.
- 제 30 항에 있어서,상기 구멍 형태는 원뿔형 및 구형 캡으로 구성되는 그룹으로부터 선택되는베어링.
- 제 35 항에 있어서,상기 미공은 레이저에 의해 형성되는베어링.
- 제 36 항에 있어서,상기 표면 영역은 금속성이며, 상기 표면은 상기 미공 사이에서는 실질적으로 평평한베어링.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/723,431 US5834094A (en) | 1996-09-30 | 1996-09-30 | Bearing having micropores and design method thereof |
US8/723,431 | 1996-09-30 | ||
US8/924,643 | 1997-09-05 |
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KR20000048675A true KR20000048675A (ko) | 2000-07-25 |
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KR1019990702623A KR20000048675A (ko) | 1996-09-30 | 1997-09-22 | 미공을 구비한 베어링 및 그 설계 방법 |
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KR (1) | KR20000048675A (ko) |
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-
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KR100968859B1 (ko) * | 2008-09-11 | 2010-07-09 | 계명대학교 산학협력단 | 펨토초레이저를 이용한 미세 패턴이 형성된 직선 또는 회전베어링 및 이것의 특성을 측정하는 방법 |
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US6002100A (en) | 1999-12-14 |
US5834094A (en) | 1998-11-10 |
US6046430A (en) | 2000-04-04 |
US5952080A (en) | 1999-09-14 |
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