IT989045B - Cuscinetto per assi ruotanti con strato superficiale ad alto teno re di carbonio e relativo metodo di produzione - Google Patents

Cuscinetto per assi ruotanti con strato superficiale ad alto teno re di carbonio e relativo metodo di produzione

Info

Publication number
IT989045B
IT989045B IT2518373A IT2518373A IT989045B IT 989045 B IT989045 B IT 989045B IT 2518373 A IT2518373 A IT 2518373A IT 2518373 A IT2518373 A IT 2518373A IT 989045 B IT989045 B IT 989045B
Authority
IT
Italy
Prior art keywords
bearing
surface layer
production method
high carbon
rotating axes
Prior art date
Application number
IT2518373A
Other languages
English (en)
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Application granted granted Critical
Publication of IT989045B publication Critical patent/IT989045B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Rolling Contact Bearings (AREA)
  • Heat Treatment Of Articles (AREA)
IT2518373A 1972-06-12 1973-06-12 Cuscinetto per assi ruotanti con strato superficiale ad alto teno re di carbonio e relativo metodo di produzione IT989045B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26175472A 1972-06-12 1972-06-12

Publications (1)

Publication Number Publication Date
IT989045B true IT989045B (it) 1975-05-20

Family

ID=22994722

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2518373A IT989045B (it) 1972-06-12 1973-06-12 Cuscinetto per assi ruotanti con strato superficiale ad alto teno re di carbonio e relativo metodo di produzione

Country Status (4)

Country Link
AR (1) AR194782A1 (it)
CA (1) CA968339A (it)
GB (1) GB1432463A (it)
IT (1) IT989045B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7169238B2 (en) * 2003-12-22 2007-01-30 Caterpillar Inc Carbide method and article for hard finishing resulting in improved wear resistance
CN106435459B (zh) * 2016-09-18 2019-02-22 奇瑞汽车股份有限公司 一种提高高压油泵性能的处理方法
CN115493403B (zh) * 2022-09-16 2025-07-08 浙江柯蓝工贸有限公司 一种铸造铁锅铸型用熔炼炉及其熔炼方法

Also Published As

Publication number Publication date
AR194782A1 (es) 1973-08-14
GB1432463A (en) 1976-04-14
CA968339A (en) 1975-05-27

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