GB9624728D0 - Method and apparatus for forming recesses in air or fluid film bearings - Google Patents
Method and apparatus for forming recesses in air or fluid film bearingsInfo
- Publication number
- GB9624728D0 GB9624728D0 GBGB9624728.3A GB9624728A GB9624728D0 GB 9624728 D0 GB9624728 D0 GB 9624728D0 GB 9624728 A GB9624728 A GB 9624728A GB 9624728 D0 GB9624728 D0 GB 9624728D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- fluid film
- forming recesses
- film bearings
- bearings
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/06—Marking or engraving
-
- 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
- F16C33/1005—Construction relative to lubrication with gas, e.g. air, as lubricant
- F16C33/101—Details of the bearing surface, e.g. means to generate pressure such as lobes or wedges
- F16C33/1015—Pressure generating 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
- F16C33/14—Special methods of manufacture; Running-in
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H2200/00—Specific machining processes or workpieces
- B23H2200/10—Specific machining processes or workpieces for making 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
- F16C17/02—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Sliding-Contact Bearings (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9624728.3A GB9624728D0 (en) | 1996-11-28 | 1996-11-28 | Method and apparatus for forming recesses in air or fluid film bearings |
PCT/GB1997/003233 WO1998023405A1 (en) | 1996-11-28 | 1997-11-26 | Method and apparatus for forming recesses in a bearing surface |
AU51268/98A AU5126898A (en) | 1996-11-28 | 1997-11-26 | Method and apparatus for forming recesses in a bearing surface |
GB9724881A GB2319741A (en) | 1996-11-28 | 1997-11-26 | Method and apparatus for forming recesses in a bearing surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9624728.3A GB9624728D0 (en) | 1996-11-28 | 1996-11-28 | Method and apparatus for forming recesses in air or fluid film bearings |
Publications (1)
Publication Number | Publication Date |
---|---|
GB9624728D0 true GB9624728D0 (en) | 1997-01-15 |
Family
ID=10803605
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9624728.3A Pending GB9624728D0 (en) | 1996-11-28 | 1996-11-28 | Method and apparatus for forming recesses in air or fluid film bearings |
GB9724881A Withdrawn GB2319741A (en) | 1996-11-28 | 1997-11-26 | Method and apparatus for forming recesses in a bearing surface |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9724881A Withdrawn GB2319741A (en) | 1996-11-28 | 1997-11-26 | Method and apparatus for forming recesses in a bearing surface |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU5126898A (en) |
GB (2) | GB9624728D0 (en) |
WO (1) | WO1998023405A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100312831B1 (en) * | 1999-07-14 | 2001-11-03 | 이은상 | Micro electrochemical micromachining device for structure micro groove |
JP3614749B2 (en) * | 2000-03-13 | 2005-01-26 | 光洋精工株式会社 | Hydrodynamic groove processing method for hydrodynamic bearings |
US7235168B2 (en) * | 2002-05-28 | 2007-06-26 | Seagate Technology. Llc | Method for electrochemically forming a hydrodynamic bearing surface |
US20030221959A1 (en) * | 2002-05-28 | 2003-12-04 | Cochran Dustin Alan | Method and apparatus for forming grooved journals |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2437047A1 (en) * | 1974-08-01 | 1976-02-12 | Skf Kugellagerfabriken Gmbh | METHOD OF MANUFACTURING AN ELECTRODE FOR ELECTROLYTIC MACHINING OF A GROOVE PATTERN INTO THE CURVED SURFACE OF A WORKPIECE |
NL7413379A (en) * | 1974-10-11 | 1976-04-13 | Philips Nv | PROCESS FOR MANUFACTURING A CYLINDRICAL SPIRAL GROOVE BEARING. |
DE2600760A1 (en) * | 1976-01-10 | 1977-07-14 | Skf Kugellagerfabriken Gmbh | ELECTRODE FOR THE ELECTROLYTIC INCORPORATION OF A GROOVE PATTERN INTO A WORKPIECE AREA |
JPS60211118A (en) * | 1984-04-04 | 1985-10-23 | Toshiba Corp | Gaseous bearing device and machining method thereof |
JPS62152621A (en) * | 1985-12-25 | 1987-07-07 | Copal Co Ltd | Method of machining air groove in air bearing |
JPH02145800A (en) * | 1988-11-25 | 1990-06-05 | Koyo Seiko Co Ltd | Formation of dynamic-pressure groove of dynamic pressure-type fluid bearing |
JPH058111A (en) * | 1991-07-05 | 1993-01-19 | Sankyo Seiki Mfg Co Ltd | Method and device for processing groove in round bar material |
US5309639A (en) * | 1992-11-23 | 1994-05-10 | The Timken Company | Method of making a machine component with lubricated wear surface |
WO1996020059A1 (en) * | 1994-12-28 | 1996-07-04 | Skf Industrial Trading & Development Company B.V. | Method of machining a component of a bearing, an electrode for electrochemically machining said component and a method of manufacturing an electrode |
JPH109267A (en) * | 1996-03-27 | 1998-01-13 | Aesop Inc | Modular type hydraulic bearing which has its carriage fit outline rail in shape by reduced flow |
-
1996
- 1996-11-28 GB GBGB9624728.3A patent/GB9624728D0/en active Pending
-
1997
- 1997-11-26 WO PCT/GB1997/003233 patent/WO1998023405A1/en active Application Filing
- 1997-11-26 GB GB9724881A patent/GB2319741A/en not_active Withdrawn
- 1997-11-26 AU AU51268/98A patent/AU5126898A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
GB2319741A (en) | 1998-06-03 |
AU5126898A (en) | 1998-06-22 |
GB9724881D0 (en) | 1998-01-21 |
WO1998023405A1 (en) | 1998-06-04 |
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