GB589461A - Improvements in bearings - Google Patents

Improvements in bearings

Info

Publication number
GB589461A
GB589461A GB6893/45A GB689345A GB589461A GB 589461 A GB589461 A GB 589461A GB 6893/45 A GB6893/45 A GB 6893/45A GB 689345 A GB689345 A GB 689345A GB 589461 A GB589461 A GB 589461A
Authority
GB
United Kingdom
Prior art keywords
tin
copper
layer
sodium
steel backing
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
GB6893/45A
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.)
Federal Mogul Shoreham Ltd
Original Assignee
Vandervell Products 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 Vandervell Products Ltd filed Critical Vandervell Products Ltd
Priority to GB6893/45A priority Critical patent/GB589461A/en
Publication of GB589461A publication Critical patent/GB589461A/en
Priority to DEV1007A priority patent/DE827566C/en
Expired legal-status Critical Current

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
    • F16C33/14—Special methods of manufacture; Running-in
    • 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
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • 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
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F16C2223/70—Coating surfaces by electroplating or electrolytic coating, e.g. anodising, galvanising

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

589,461. Bearings. VANDERVELL PRODUCTS, Ltd., GREEN, D. F., SALMON, J. E., and MALLET, N. P. March 19. 1945, No. 6893. [Class 12 (i)] [Also in Group XXXVI] In a bearing with a steel backing, an intermediate metal layer of intermediate hardness, and a thin layer of anti-friction metal, the intermediate layer is of copper-tin alloy (1 to 15 per cent. tin) electro-deposited on the steel backing. The steel backing is anodically cleaned at 80 to 90‹C. with a current density of 40 amperes per square foot in a bath of sodium meta-silicate, sodium phosphate, sodium carbonate, and sodium hydroxide, and then anodically etched as described in Specification 566,538, [Group XXXVI]. The copper-tin intermediate layer is then electro-deposited at a cathode density of 100 amperes per square foot at 70‹C. from a bath of copper cyanide, tin as stannate, sodium cyanide, and sodium hydroxide, using anodes of the desired alloy or of carbon. The deposit may be 0.02 inches thick and after annealing at 700‹C (if required) and final machining the coppertin intermediate layer is etched as described in Specification 573,636 and the thin anti-friction surface layer electrodeposited. An " antifretting " laver may be applied to the outer surface of the steel backing as described in Specification 556,248. The anti-friction layer may be an indium base alloy containing copper, a copper-cadmium, a lead-antimony-tin, a coppertin (of different composition from the intermediate layer), or a lead-indium alloy. Specifications 535,571, 537,475, [Group II], and, in the Provisional Specification, 554,355, [Group XXXVI], 556,247 and 566,360 also are referred to.
GB6893/45A 1945-03-19 1945-03-19 Improvements in bearings Expired GB589461A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB6893/45A GB589461A (en) 1945-03-19 1945-03-19 Improvements in bearings
DEV1007A DE827566C (en) 1945-03-19 1950-05-12 Process for the production of multilayer bearings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6893/45A GB589461A (en) 1945-03-19 1945-03-19 Improvements in bearings

Publications (1)

Publication Number Publication Date
GB589461A true GB589461A (en) 1947-06-20

Family

ID=9822730

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6893/45A Expired GB589461A (en) 1945-03-19 1945-03-19 Improvements in bearings

Country Status (2)

Country Link
DE (1) DE827566C (en)
GB (1) GB589461A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957594A (en) * 1973-09-14 1976-05-18 Bernard Grellet Surface treatment of parts of ferrous alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957594A (en) * 1973-09-14 1976-05-18 Bernard Grellet Surface treatment of parts of ferrous alloys

Also Published As

Publication number Publication date
DE827566C (en) 1952-01-10

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