DE3783491T2 - Verfahren zum haerten von konischen schneideinsatzhaltern fuer gesteinsbohrmeissel. - Google Patents

Verfahren zum haerten von konischen schneideinsatzhaltern fuer gesteinsbohrmeissel.

Info

Publication number
DE3783491T2
DE3783491T2 DE8787302179T DE3783491T DE3783491T2 DE 3783491 T2 DE3783491 T2 DE 3783491T2 DE 8787302179 T DE8787302179 T DE 8787302179T DE 3783491 T DE3783491 T DE 3783491T DE 3783491 T2 DE3783491 T2 DE 3783491T2
Authority
DE
Germany
Prior art keywords
hardening
tapered insert
insert holders
chisels
drill
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 - Fee Related
Application number
DE8787302179T
Other languages
English (en)
Other versions
DE3783491D1 (de
Inventor
Nareshchandra J Kar
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 DE3783491D1 publication Critical patent/DE3783491D1/de
Publication of DE3783491T2 publication Critical patent/DE3783491T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • 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
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/903—Directly treated with high energy electromagnetic waves or particles, e.g. laser, electron beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Articles (AREA)
  • Earth Drilling (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
DE8787302179T 1986-03-24 1987-03-13 Verfahren zum haerten von konischen schneideinsatzhaltern fuer gesteinsbohrmeissel. Expired - Fee Related DE3783491T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/843,048 US4708752A (en) 1986-03-24 1986-03-24 Process for laser hardening drilling bit cones having hard cutter inserts placed therein

Publications (2)

Publication Number Publication Date
DE3783491D1 DE3783491D1 (de) 1993-02-25
DE3783491T2 true DE3783491T2 (de) 1993-04-29

Family

ID=25288940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302179T Expired - Fee Related DE3783491T2 (de) 1986-03-24 1987-03-13 Verfahren zum haerten von konischen schneideinsatzhaltern fuer gesteinsbohrmeissel.

Country Status (7)

Country Link
US (1) US4708752A (de)
EP (1) EP0239295B1 (de)
JP (1) JPS62230935A (de)
CA (1) CA1286207C (de)
DE (1) DE3783491T2 (de)
IE (1) IE60482B1 (de)
MX (1) MX166225B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61270335A (ja) * 1985-05-24 1986-11-29 Toyota Motor Corp 内燃機関用肉盛バルブ
US4781770A (en) * 1986-03-24 1988-11-01 Smith International, Inc. Process for laser hardfacing drill bit cones having hard cutter inserts
US5073212A (en) * 1989-12-29 1991-12-17 Westinghouse Electric Corp. Method of surface hardening of turbine blades and the like with high energy thermal pulses, and resulting product
US5356081A (en) * 1993-02-24 1994-10-18 Electric Power Research Institute, Inc. Apparatus and process for employing synergistic destructive powers of a water stream and a laser beam
GB2276886B (en) * 1993-03-19 1997-04-23 Smith International Rock bits with hard facing
US5468308A (en) * 1994-08-22 1995-11-21 The Torrington Company Surface treated cast iron bearing element
US6547017B1 (en) 1994-09-07 2003-04-15 Smart Drilling And Completion, Inc. Rotary drill bit compensating for changes in hardness of geological formations
US5615747A (en) * 1994-09-07 1997-04-01 Vail, Iii; William B. Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys
US6215097B1 (en) * 1994-12-22 2001-04-10 General Electric Company On the fly laser shock peening
US5620307A (en) * 1995-03-06 1997-04-15 General Electric Company Laser shock peened gas turbine engine blade tip
US5755299A (en) * 1995-08-03 1998-05-26 Dresser Industries, Inc. Hardfacing with coated diamond particles
DE19617402A1 (de) * 1995-12-19 1997-06-26 Bayerische Motoren Werke Ag Verfahren zur Ausbildung einer Anrißstelle zum Bruchtrennen eines Bauteils, insbesondere Pleuel für Brennkraftmaschinen
US6374704B1 (en) * 1996-04-26 2002-04-23 Baker Hughes Incorporated Steel-tooth bit with improved toughness
US6551064B1 (en) 1996-07-24 2003-04-22 General Electric Company Laser shock peened gas turbine engine intermetallic parts
US5742028A (en) * 1996-07-24 1998-04-21 General Electric Company Preloaded laser shock peening
US6005219A (en) * 1997-12-18 1999-12-21 General Electric Company Ripstop laser shock peening
US5932120A (en) * 1997-12-18 1999-08-03 General Electric Company Laser shock peening using low energy laser
US6159619A (en) * 1997-12-18 2000-12-12 General Electric Company Ripstop laser shock peening
US6170583B1 (en) 1998-01-16 2001-01-09 Dresser Industries, Inc. Inserts and compacts having coated or encrusted cubic boron nitride particles
US6138779A (en) * 1998-01-16 2000-10-31 Dresser Industries, Inc. Hardfacing having coated ceramic particles or coated particles of other hard materials placed on a rotary cone cutter
US6102140A (en) * 1998-01-16 2000-08-15 Dresser Industries, Inc. Inserts and compacts having coated or encrusted diamond particles
US20090322143A1 (en) * 2008-06-26 2009-12-31 David Krauter Cutter insert gum modification method and apparatus
CA2516920A1 (en) * 2004-08-31 2006-02-28 Smith International, Inc. Maintaining carburized case during neutral to the core heat treatment processes
US7458358B2 (en) * 2006-05-10 2008-12-02 Federal Mogul World Wide, Inc. Thermal oxidation protective surface for steel pistons
US20090078343A1 (en) * 2007-09-24 2009-03-26 Atlas Copco Secoroc Llc Earthboring tool and method of casehardening
US8418332B2 (en) * 2008-03-14 2013-04-16 Varel International Ind., L.P. Method of texturing a bearing surface of a roller cone rock bit
US8347683B2 (en) * 2008-03-14 2013-01-08 Varel International Ind., L.P. Texturing of the seal surface for a roller cone rock bit
GB0808366D0 (en) * 2008-05-09 2008-06-18 Element Six Ltd Attachable wear resistant percussive drilling head
US8353369B2 (en) 2008-08-06 2013-01-15 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
US7836792B2 (en) * 2008-09-25 2010-11-23 Baker Hughes Incorporated System, method and apparatus for enhanced cutting element retention and support in a rock bit
US8689907B2 (en) 2010-07-28 2014-04-08 Varel International Ind., L.P. Patterned texturing of the seal surface for a roller cone rock bit
US8858733B2 (en) * 2011-09-21 2014-10-14 National Oilwell Varco, L.P. Laser hardened surface for wear and corrosion resistance
RU2467148C1 (ru) * 2011-10-05 2012-11-20 Николай Митрофанович Панин Способ монтажа опоры шарошечного долота
RU2474670C1 (ru) * 2011-10-27 2013-02-10 Николай Митрофанович Панин Опора шарошечного долота
CN103114194A (zh) * 2013-03-20 2013-05-22 沈阳飞机工业（集团）有限公司 高速钢钻头热处理工艺方法
CZ2014120A3 (cs) * 2014-02-27 2015-08-05 Ĺ KODA MACHINE TOOL, a.s. Způsob vytvoření martenzitické struktury v dutině vřetene
CN105370211A (zh) * 2015-12-08 2016-03-02 苏州新锐合金工具股份有限公司 具有强力保护牙轮壳体的三牙轮钻头
US9988854B2 (en) 2016-05-11 2018-06-05 Varel International Ind., L.P. Roller cone drill bit with improved erosion resistance
US11867058B2 (en) 2020-10-09 2024-01-09 Saudi Arabian Oil Company High power laser-enablers for heating/fracturing stimulation tool and methods therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3680873A (en) * 1970-07-06 1972-08-01 Smith International Axially and rotationally locked bearing seal
US4303137A (en) * 1979-09-21 1981-12-01 Smith International, Inc. Method for making a cone for a rock bit and product
JPS577251A (en) * 1980-06-16 1982-01-14 Hitachi Ltd Heat treatment with laser
SE446646B (sv) * 1981-12-15 1986-09-29 Santrade Ltd Bergborrkrona och sett att tillverka denna
EP0142941B1 (de) * 1983-10-24 1989-06-07 Smith International, Inc. Konisches Gesteinsschneidwerkzeug mit metallisch gebundenen Schneideinsätzen
US4562892A (en) * 1984-07-23 1986-01-07 Cdp, Ltd. Rolling cutters for drill bits
IT1176705B (it) * 1984-09-13 1987-08-18 Saipem Spa Procedimento perfezionato per l'indurimento superficiale dei giunti delle aste di perforazione e aste cosi' ottenute

Also Published As

Publication number Publication date
IE60482B1 (en) 1994-07-13
EP0239295A2 (de) 1987-09-30
EP0239295B1 (de) 1993-01-13
US4708752A (en) 1987-11-24
CA1286207C (en) 1991-07-16
MX166225B (es) 1992-12-24
JPS62230935A (ja) 1987-10-09
IE870646L (en) 1987-09-24
EP0239295A3 (en) 1989-05-24
DE3783491D1 (de) 1993-02-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee