CA1231938A - Molettes pour trepans, comportant des elements de coupe rapportes, lies par procede de metallurgie - Google Patents

Molettes pour trepans, comportant des elements de coupe rapportes, lies par procede de metallurgie

Info

Publication number
CA1231938A
CA1231938A CA000466146A CA466146A CA1231938A CA 1231938 A CA1231938 A CA 1231938A CA 000466146 A CA000466146 A CA 000466146A CA 466146 A CA466146 A CA 466146A CA 1231938 A CA1231938 A CA 1231938A
Authority
CA
Canada
Prior art keywords
cutter
core
alloys
cladding
percent
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
CA000466146A
Other languages
English (en)
Inventor
William J. Salesky
Gunes M. Ecer
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Application granted granted Critical
Publication of CA1231938A publication Critical patent/CA1231938A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B22F7/064—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts using an intermediate powder layer
    • 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
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
    • B22F2005/001—Cutting tools, earth boring or grinding tool other than table ware
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Earth Drilling (AREA)
CA000466146A 1983-10-24 1984-10-23 Molettes pour trepans, comportant des elements de coupe rapportes, lies par procede de metallurgie Expired CA1231938A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54492383A 1983-10-24 1983-10-24
US544,923 1990-06-28

Publications (1)

Publication Number Publication Date
CA1231938A true CA1231938A (fr) 1988-01-26

Family

ID=24174141

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000466146A Expired CA1231938A (fr) 1983-10-24 1984-10-23 Molettes pour trepans, comportant des elements de coupe rapportes, lies par procede de metallurgie

Country Status (3)

Country Link
EP (1) EP0142941B1 (fr)
CA (1) CA1231938A (fr)
DE (1) DE3478627D1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597456A (en) * 1984-07-23 1986-07-01 Cdp, Ltd. Conical cutters for drill bits, and processes to produce same
US4562892A (en) * 1984-07-23 1986-01-07 Cdp, Ltd. Rolling cutters for drill bits
US4708752A (en) * 1986-03-24 1987-11-24 Smith International, Inc. Process for laser hardening drilling bit cones having hard cutter inserts placed therein
US5038640A (en) * 1990-02-08 1991-08-13 Hughes Tool Company Titanium carbide modified hardfacing for use on bearing surfaces of earth boring bits
CN101144370B (zh) * 2007-10-24 2010-12-08 中国地质大学（武汉） 热压高磷铁基金刚石钻头的制备方法
CN103042208B (zh) * 2013-01-22 2015-06-10 广东新劲刚新材料科技股份有限公司 铁和碳化钛混合料及其在冷压模具表面制作涂层的方法
EP2821166B1 (fr) * 2013-07-04 2016-04-20 Sandvik Intellectual Property AB Procédé de fabrication d'un composant résistant à l'usure comprenant un corps en carbure cémenté mécaniquement verrouillé

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB449974A (en) * 1935-04-29 1936-07-08 John Corstorphine An improved boring and drilling tool
US2999309A (en) * 1955-04-06 1961-09-12 Welded Carbide Tool Company In Composite metal article and method of producing
US3444613A (en) * 1965-11-24 1969-05-20 Coast Metals Inc Method of joining carbide to steel
US4172395A (en) * 1978-08-07 1979-10-30 Dresser Industries, Inc. Method of manufacturing a rotary rock bit
DE3030010C2 (de) * 1980-08-08 1982-09-16 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel für Tiefbohrungen
SE423562B (sv) * 1980-11-13 1982-05-10 Cerac Inst Sa Forfarande for framstellning av en stalkropp innefattande insatser av hart material
US4365679A (en) * 1980-12-02 1982-12-28 Skf Engineering And Research Centre, B.V. Drill bit

Also Published As

Publication number Publication date
DE3478627D1 (en) 1989-07-13
EP0142941A1 (fr) 1985-05-29
EP0142941B1 (fr) 1989-06-07

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Legal Events

Date Code Title Description
MKEX Expiry