GB699097A - Improvements in or relating to plain bearings - Google Patents

Improvements in or relating to plain bearings

Info

Publication number
GB699097A
GB699097A GB25382/50A GB2538250A GB699097A GB 699097 A GB699097 A GB 699097A GB 25382/50 A GB25382/50 A GB 25382/50A GB 2538250 A GB2538250 A GB 2538250A GB 699097 A GB699097 A GB 699097A
Authority
GB
United Kingdom
Prior art keywords
per cent
lead
copper
heat treatment
hours
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
GB25382/50A
Inventor
Peter Garnett Forrester
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 Engineering Ltd
Original Assignee
Glacier Metal Co 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 Glacier Metal Co Ltd filed Critical Glacier Metal Co Ltd
Priority to GB25382/50A priority Critical patent/GB699097A/en
Publication of GB699097A publication Critical patent/GB699097A/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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • 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
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/10—Alloys based on copper
    • 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
    • F16C2220/02—Shaping by casting

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

A cast bearing material, consisting of 10-40 per cent lead with the remainder copper with or without tin, silver, nickel, iron, zinc or phosphorus up to a total of 5 per cent is heat treated at temperatures above the melting point of lead but below the solidus temperature of the copper-lead for a period sufficiently prolonged to change the "as-cast" structure to one consisting of interlaced sponges of copper and lead. The process is preferably carried out in an inert atmosphere. The period of heat treatment may be reduced by preliminary light cold working and any lead exudation minimized by preliminary heat treatment according to Specification 663,215. In an example given, a bearing material consisting of about 30 per cent Pb and about 1 per cent Sn or about 40 per cent Pb and about 0.5 per cent. Sn, with the remainder Cu in each case, was treated in a protective atmosphere at about 900 DEG C for about 24 hours. In this case the heat treatment was reduced to about four hours by preliminary light rolling.
GB25382/50A 1950-10-18 1950-10-18 Improvements in or relating to plain bearings Expired GB699097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB25382/50A GB699097A (en) 1950-10-18 1950-10-18 Improvements in or relating to plain bearings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25382/50A GB699097A (en) 1950-10-18 1950-10-18 Improvements in or relating to plain bearings

Publications (1)

Publication Number Publication Date
GB699097A true GB699097A (en) 1953-10-28

Family

ID=10226769

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25382/50A Expired GB699097A (en) 1950-10-18 1950-10-18 Improvements in or relating to plain bearings

Country Status (1)

Country Link
GB (1) GB699097A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308759A1 (en) * 1987-09-24 1989-03-29 Lubralloy S.R.L. Shockproof, wearproof metal lubricant, with restoring action and relative manufacturing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308759A1 (en) * 1987-09-24 1989-03-29 Lubralloy S.R.L. Shockproof, wearproof metal lubricant, with restoring action and relative manufacturing process

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