IT8620729A1 - Produzione di motivi a scanalatura/nervatura nelle superfici di appoggio di cuscinetti dinamici - Google Patents

Produzione di motivi a scanalatura/nervatura nelle superfici di appoggio di cuscinetti dinamici

Info

Publication number
IT8620729A1
IT8620729A1 IT1986A20729A IT2072986A IT8620729A1 IT 8620729 A1 IT8620729 A1 IT 8620729A1 IT 1986A20729 A IT1986A20729 A IT 1986A20729A IT 2072986 A IT2072986 A IT 2072986A IT 8620729 A1 IT8620729 A1 IT 8620729A1
Authority
IT
Italy
Prior art keywords
groove
production
support surfaces
rib pattern
dynamic bearings
Prior art date
Application number
IT1986A20729A
Other languages
English (en)
Other versions
IT1190013B (it
IT8620729A0 (it
Original Assignee
Atlas Copco Ab
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 Atlas Copco Ab filed Critical Atlas Copco Ab
Publication of IT8620729A0 publication Critical patent/IT8620729A0/it
Publication of IT8620729A1 publication Critical patent/IT8620729A1/it
Application granted granted Critical
Publication of IT1190013B publication Critical patent/IT1190013B/it

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
    • 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
    • F16C33/107—Grooves for generating pressure
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/14—Etching locally
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
  • Laminated Bodies (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
IT20729/86A 1985-06-13 1986-06-09 Produzione di motivi a scanalatura nervatura nelle superfici di appoggio di cuscinetti dinamici IT1190013B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853521181 DE3521181A1 (de) 1985-06-13 1985-06-13 Herstellung von nut/steg-bemusterungen in den lagerflaechen von dynamischen lagern

Publications (3)

Publication Number Publication Date
IT8620729A0 IT8620729A0 (it) 1986-06-09
IT8620729A1 true IT8620729A1 (it) 1987-12-09
IT1190013B IT1190013B (it) 1988-02-10

Family

ID=6273158

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20729/86A IT1190013B (it) 1985-06-13 1986-06-09 Produzione di motivi a scanalatura nervatura nelle superfici di appoggio di cuscinetti dinamici

Country Status (7)

Country Link
US (1) US4711706A (it)
JP (1) JPS61292000A (it)
CH (1) CH668271A5 (it)
DE (1) DE3521181A1 (it)
FR (1) FR2583475B1 (it)
GB (1) GB2176545B (it)
IT (1) IT1190013B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4970783A (en) * 1989-12-14 1990-11-20 Ford Motor Company Method of making split remateable connecting rod portions
DE69205762T2 (de) * 1991-08-08 1996-05-02 Canon Kk Verfahren zur Herstellung von Rillen auf einer Achse.
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
US5759154A (en) * 1996-12-23 1998-06-02 C. R. Bard, Inc. Print mask technique for echogenic enhancement of a medical device
US6702466B2 (en) * 1999-10-15 2004-03-09 Ngk Spark Plug Co., Ltd. Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing
JP2001173657A (ja) * 1999-12-15 2001-06-26 Sankyo Seiki Mfg Co Ltd 流体軸受の製造方法及びこの方法により製造された流体軸受
US20030006146A1 (en) * 2001-07-04 2003-01-09 Eun-Sang Lee Method for machining micro grooves of dynamic pressure pneumatic bearing
KR20030003838A (ko) * 2001-07-04 2003-01-14 이은상 공기동압 베어링의 미세홈 가공 및 표면연마용 전기화학복합 가공방법
JP4573349B2 (ja) * 2004-10-21 2010-11-04 日立粉末冶金株式会社 動圧軸受の製造方法
DE102015201080A1 (de) * 2015-01-22 2016-07-28 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum elektrochemischen Abtragen von Material von einem Werkstück

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH242908A (de) * 1944-05-13 1946-06-15 Sulzer Ag Verfahren zur Herstellung von Vertiefungen in Gleitflächen von Maschinenteilen zwecks Verbesserung der Schmierwirkung von Schmiermitteln.
GB701690A (en) * 1950-07-04 1953-12-30 Glacier Co Ltd Improvements in or relating to the production of metallic elements
GB707066A (en) * 1951-04-06 1954-04-14 Glacier Co Ltd Improvements in or relating to bearings or anti-friction elements
NL266793A (it) * 1960-07-08 1900-01-01
US3174920A (en) * 1961-06-09 1965-03-23 Post Daniel Method for producing electrical resistance strain gages by electropolishing
NL143660B (nl) * 1965-03-27 1974-10-15 Philips Nv Axiaal leger.
AT309914B (de) * 1970-07-01 1973-09-10 Beteiligungs A G Fuer Haustech Aus zueinander drehbar angeordneten Elementen aufgebautes Lager
NL172268C (nl) * 1972-08-11 1983-08-01 Dornier System Gmbh Werkwijze voor het aanbrengen van groeven in metalen lichamen.
US3954582A (en) * 1972-08-11 1976-05-04 Dornier System Gmbh Process for producing grooves in metallic bodies
NL7509529A (nl) * 1975-08-11 1977-02-15 Ultra Centrifuge Nederland Nv Werkwijze voor het bewerken van electrisch ge- leidende stoffen door electrochemische aantas- ting.
US4247377A (en) * 1979-02-21 1981-01-27 United Technologies Corporation Method for electrolytic etching
DE3066021D1 (en) * 1979-11-22 1984-02-02 Smiths Industries Plc Gas-lubricated bearings and method of manufacture

Also Published As

Publication number Publication date
GB2176545B (en) 1989-08-23
JPS61292000A (ja) 1986-12-22
DE3521181A1 (de) 1986-12-18
DE3521181C2 (it) 1989-03-16
FR2583475A1 (fr) 1986-12-19
GB2176545A (en) 1986-12-31
GB8611565D0 (en) 1986-06-18
CH668271A5 (de) 1988-12-15
FR2583475B1 (fr) 1989-06-16
IT1190013B (it) 1988-02-10
IT8620729A0 (it) 1986-06-09
US4711706A (en) 1987-12-08

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