GB9724881D0 - Method and apparatus for forming recesses in a bearing surface - Google Patents

Method and apparatus for forming recesses in a bearing surface

Info

Publication number
GB9724881D0
GB9724881D0 GBGB9724881.9A GB9724881A GB9724881D0 GB 9724881 D0 GB9724881 D0 GB 9724881D0 GB 9724881 A GB9724881 A GB 9724881A GB 9724881 D0 GB9724881 D0 GB 9724881D0
Authority
GB
United Kingdom
Prior art keywords
bearing surface
forming recesses
recesses
forming
bearing
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.)
Withdrawn
Application number
GBGB9724881.9A
Other versions
GB2319741A (en
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.)
Loadpoint Ltd
Original Assignee
Loadpoint 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 Loadpoint Ltd filed Critical Loadpoint Ltd
Publication of GB9724881D0 publication Critical patent/GB9724881D0/en
Publication of GB2319741A publication Critical patent/GB2319741A/en
Withdrawn legal-status Critical Current

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
GB9724881A 1996-11-28 1997-11-26 Method and apparatus for forming recesses in a bearing surface Withdrawn GB2319741A (en)

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 (2)

Publication Number Publication Date
GB9724881D0 true GB9724881D0 (en) 1998-01-21
GB2319741A GB2319741A (en) 1998-06-03

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 Before (1)

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

Country Status (3)

Country Link
AU (1) AU5126898A (en)
GB (2) GB9624728D0 (en)
WO (1) WO1998023405A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
US20030221959A1 (en) * 2002-05-28 2003-12-04 Cochran Dustin Alan Method and apparatus for forming grooved journals
US7235168B2 (en) * 2002-05-28 2007-06-26 Seagate Technology. Llc Method for electrochemically forming a hydrodynamic bearing surface

Family Cites Families (10)

* Cited by examiner, † Cited by third party
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
EP0798478A3 (en) * 1996-03-27 1998-07-29 Aesop Inc. Hydrostatic bearing

Also Published As

Publication number Publication date
GB2319741A (en) 1998-06-03
WO1998023405A1 (en) 1998-06-04
AU5126898A (en) 1998-06-22
GB9624728D0 (en) 1997-01-15

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)