GB661273A - Improvements in and relating to the electrolytic treatment of metallic surfaces - Google Patents

Improvements in and relating to the electrolytic treatment of metallic surfaces

Info

Publication number
GB661273A
GB661273A GB7933/48A GB793348A GB661273A GB 661273 A GB661273 A GB 661273A GB 7933/48 A GB7933/48 A GB 7933/48A GB 793348 A GB793348 A GB 793348A GB 661273 A GB661273 A GB 661273A
Authority
GB
United Kingdom
Prior art keywords
projections
anode
recesses
bearing
cathode
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.)
Expired
Application number
GB7933/48A
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.)
Monochrome Ltd
Original Assignee
Monochrome 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 Monochrome Ltd filed Critical Monochrome Ltd
Priority to GB7933/48A priority Critical patent/GB661273A/en
Publication of GB661273A publication Critical patent/GB661273A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D7/00—Electroplating characterised by the article coated
    • C25D7/10—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
    • F16C33/1025—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
    • F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

661,273. Electrolytic treatment of bearing surfaces. MONOCHROME, Ltd., and WILSDON, S. C. March 17, 1949 [March 17, 1948], No. 7933/48. Class 41. An electrolytic process for the production of metallic bearing- surfaces having lubricantretaining recesses or grooves therein comprises constituting the bearing surfaces as one electrode and forming the recesses or grooves therein by, and in a pattern corresponding to, the form of the relief surface of the other or pattern - controlling electrode. In the arrangement shown in Fig. 4, electrolyte 3 is confined between a cylindrical bearing surface 1 functioning as a cathode and an anode 2 formed with projections 4. Projections 5 corresponding to the projections 4 are formed on the surface 1 by the electrolysis. In an alternative arrangement the surface 1 is the anode and the surface 2 is the cathode, in which case recesses are formed opposite the projections by electrolytic etching. In the arrangement shown in Fig. 6, the surface 1 after having been used as cathode (with the surface 2 as anode) and plated with projections 5 is displaced as shown and then used as anode, whereby the recesses beween the projectors 5 are etched electrolytically. In a further arrangement the bearing surface after the projections 5 have been formed has the whole surface etched electrolytically or chemically. Alternatively it may be etched in the recesses only by masking the non-recessed part of the bearing surface. The pattern-controlling electrode may be coated between the projections and along the sides of the projections with a dielectric material to ensure that substantially only the part of the bearing surface opposite the projections is subjected to plating or etching. In the case of a bearing surface of aluminium, the surface may be etched whether the patternforming electrode is an anode or cathode, suitable electrolytes being sodium chloride or nitrate. Mixtures of chlorides, nitrates and sulphates can also be used. Specifications 561,788 and 661,274 are referred to.
GB7933/48A 1948-03-17 1948-03-17 Improvements in and relating to the electrolytic treatment of metallic surfaces Expired GB661273A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7933/48A GB661273A (en) 1948-03-17 1948-03-17 Improvements in and relating to the electrolytic treatment of metallic surfaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7933/48A GB661273A (en) 1948-03-17 1948-03-17 Improvements in and relating to the electrolytic treatment of metallic surfaces

Publications (1)

Publication Number Publication Date
GB661273A true GB661273A (en) 1951-11-21

Family

ID=9842577

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7933/48A Expired GB661273A (en) 1948-03-17 1948-03-17 Improvements in and relating to the electrolytic treatment of metallic surfaces

Country Status (1)

Country Link
GB (1) GB661273A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934479A (en) * 1957-01-22 1960-04-26 Leon L Deer Process for masking printed circuits before plating
US2993847A (en) * 1958-04-04 1961-07-25 Burroughs Corp Aluminum treating process
US3051638A (en) * 1959-03-12 1962-08-28 United States Steel Corp Method and apparatus for making a tapered thread
US3056734A (en) * 1959-03-12 1962-10-02 United States Steel Corp Method of making a straight thread
US3065152A (en) * 1959-04-30 1962-11-20 Bausch & Lomb Method of engraving spectacle frames and temple bars
US3247080A (en) * 1962-05-31 1966-04-19 Sperry Rand Corp Method of making wear-resistant surfaces
US3271288A (en) * 1960-12-01 1966-09-06 Gen Electric Electrolytic drilling and tapping apparatus
US3663376A (en) * 1971-03-17 1972-05-16 Gary Uchytil Selective spot plating of lead frame sheets
FR2207357A1 (en) * 1972-11-18 1974-06-14 Philips Nv
US4636285A (en) * 1984-05-29 1987-01-13 Mazda Motor Corporation Method of manufacturing wear resistant sliding member
EP1840419A1 (en) * 2006-03-31 2007-10-03 Federal-Mogul Operations Italy S.r.l. Stabilimento di Desenzano Piston with surface finishing
CN107815720A (en) * 2017-09-15 2018-03-20 广东工业大学 A kind of self-supporting redox graphene coating and its preparation method and application

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934479A (en) * 1957-01-22 1960-04-26 Leon L Deer Process for masking printed circuits before plating
US2993847A (en) * 1958-04-04 1961-07-25 Burroughs Corp Aluminum treating process
US3051638A (en) * 1959-03-12 1962-08-28 United States Steel Corp Method and apparatus for making a tapered thread
US3056734A (en) * 1959-03-12 1962-10-02 United States Steel Corp Method of making a straight thread
US3065152A (en) * 1959-04-30 1962-11-20 Bausch & Lomb Method of engraving spectacle frames and temple bars
US3271288A (en) * 1960-12-01 1966-09-06 Gen Electric Electrolytic drilling and tapping apparatus
US3247080A (en) * 1962-05-31 1966-04-19 Sperry Rand Corp Method of making wear-resistant surfaces
US3663376A (en) * 1971-03-17 1972-05-16 Gary Uchytil Selective spot plating of lead frame sheets
FR2207357A1 (en) * 1972-11-18 1974-06-14 Philips Nv
US4636285A (en) * 1984-05-29 1987-01-13 Mazda Motor Corporation Method of manufacturing wear resistant sliding member
EP1840419A1 (en) * 2006-03-31 2007-10-03 Federal-Mogul Operations Italy S.r.l. Stabilimento di Desenzano Piston with surface finishing
CN107815720A (en) * 2017-09-15 2018-03-20 广东工业大学 A kind of self-supporting redox graphene coating and its preparation method and application

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