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
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)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Earth Drilling (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
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)
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 |
JP2000502149A (ja) * | 1995-12-19 | 2000-02-22 | バイエリッシェ モートーレン ウエルケ アクチエンゲゼルシャフト | 構成部品、特に内燃機関の連接棒の折断分離のための裂け目位置を形成する方法 |
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 |
US6102140A (en) * | 1998-01-16 | 2000-08-15 | Dresser Industries, Inc. | Inserts and compacts having coated or encrusted diamond 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 |
US6170583B1 (en) | 1998-01-16 | 2001-01-09 | Dresser Industries, Inc. | Inserts and compacts having coated or encrusted cubic boron nitride 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)
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 |
-
1986
- 1986-03-24 US US06/843,048 patent/US4708752A/en not_active Expired - Lifetime
-
1987
- 1987-03-12 IE IE64687A patent/IE60482B1/en not_active IP Right Cessation
- 1987-03-13 DE DE8787302179T patent/DE3783491T2/de not_active Expired - Fee Related
- 1987-03-13 EP EP87302179A patent/EP0239295B1/de not_active Expired - Lifetime
- 1987-03-17 CA CA000532280A patent/CA1286207C/en not_active Expired - Lifetime
- 1987-03-18 MX MX005613A patent/MX166225B/es unknown
- 1987-03-23 JP JP62065897A patent/JPS62230935A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS62230935A (ja) | 1987-10-09 |
EP0239295A2 (de) | 1987-09-30 |
IE60482B1 (en) | 1994-07-13 |
CA1286207C (en) | 1991-07-16 |
DE3783491D1 (de) | 1993-02-25 |
US4708752A (en) | 1987-11-24 |
EP0239295B1 (de) | 1993-01-13 |
MX166225B (es) | 1992-12-24 |
IE870646L (en) | 1987-09-24 |
EP0239295A3 (en) | 1989-05-24 |
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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 |