JP5514334B2 - モジュール型の固定切刃ボーリングビット、モジュール型の固定切刃ボーリングビット本体及びそれに関連する方法 - Google Patents
モジュール型の固定切刃ボーリングビット、モジュール型の固定切刃ボーリングビット本体及びそれに関連する方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005520 cutting process Methods 0.000 title claims description 304
- 239000011230 binding agent Substances 0.000 claims description 39
- 239000002245 particle Substances 0.000 claims description 35
- 238000004519 manufacturing process Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 22
- 150000001247 metal acetylides Chemical class 0.000 claims description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 14
- 239000000956 alloy Substances 0.000 claims description 14
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 14
- 238000003754 machining Methods 0.000 claims description 12
- 238000005245 sintering Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 229910052723 transition metal Inorganic materials 0.000 claims description 10
- 150000003624 transition metals Chemical class 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 238000005219 brazing Methods 0.000 claims description 7
- 239000010941 cobalt Substances 0.000 claims description 7
- 229910017052 cobalt Inorganic materials 0.000 claims description 7
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 claims description 7
- 239000010432 diamond Substances 0.000 claims description 7
- 229910000531 Co alloy Inorganic materials 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000011651 chromium Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 239000010955 niobium Substances 0.000 claims description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 4
- 229910052735 hafnium Inorganic materials 0.000 claims description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229910052726 zirconium Inorganic materials 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims 2
- 229910000990 Ni alloy Inorganic materials 0.000 claims 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims 2
- 229910000851 Alloy steel Inorganic materials 0.000 claims 1
- 239000012255 powdered metal Substances 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000005553 drilling Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 5
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- 230000008901 benefit Effects 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- INZDTEICWPZYJM-UHFFFAOYSA-N 1-(chloromethyl)-4-[4-(chloromethyl)phenyl]benzene Chemical compound C1=CC(CCl)=CC=C1C1=CC=C(CCl)C=C1 INZDTEICWPZYJM-UHFFFAOYSA-N 0.000 description 1
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910039444 MoC Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910026551 ZrC Inorganic materials 0.000 description 1
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 description 1
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910003468 tantalcarbide Inorganic materials 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
-
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
-
- 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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
- E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
- Powder Metallurgy (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Description
[0014]1.個々のPDCカッターの位置を正しく且つ正確に制御することが難しいことも多い。インサートポケットを加工した後に、圧粉体は焼結されてビット本体が更に稠密化される。焼結炭化物からなるビット本体は、高温焼結プロセス中に何らかのスランピング及び歪みを受け、その結果、インサートポケットの位置の歪みをもたらす。ビット本体の設計された位置に正しく配置されていないインサートポケットは、切刃及び/又は刃の早期破壊、真円でない穴開け、過剰な振動、効率の悪い穴開け並びにその他の問題により、十分に機能しないかも知れない。
[0015]2.一体の一部品焼結炭化物からなるビット本体の形状は極めて複雑である(例えば、図1参照)ので、焼結炭化物からなるビット本体は、精巧な加工工具を使用して圧粉体から加工され且つ作り上げられる。例えば、5軸のコンピュータ制御フライス盤がある。しかしながら、最も高度な加工機が使用されている場合でさえ、製造することができる形状及び設計の範囲は、加工プロセスの物理的制限によって制限される。例えば、切刃の数及びPDCカッター同士の相対的な位置は制限される。なぜならば、ビット本体の種々の特徴がシェーピング過程中に切削工具の経路を妨害し得るからである。
[0016]3.多くの極めて高価な焼結炭化物材料が形削り中又は機械加工プロセス中に消耗されるので、一部品焼結炭化物からなるビット本体の費用は比較的高い。
[0017]4.種々の位置に種々の特性を有している一部品焼結炭化物からなるビット本体を製造することは極めて費用がかかる。従って、一体の一部品焼結炭化物からなるビット本体の特性は、典型的には、均一、すなわち、ビット本体内のどこの位置においても類似の特性を有している。設計及び寿命の観点から、種々の位置において種々の特性を有することは、多くの場合に有利である。
[0018]5.一部品ビット本体のビット本体全体は、ビット本体の一部分が作動中に破損した場合(例えば、アーム又は切刃が破損した場合)には廃棄しなければならない。
13 切刃、 14 切刃ポケット、 20 ボーリングビット本体、
21 取り付け部分、 22 シャンク、 23 切刃支持部品、
24 切刃部品、 25 切刃ポケット、 31 内部流体路、
32 切屑用穴、 41 切刃用の溝穴、
51 切刃インサートポケット、 61 切刃部品、
62,63,64,65 部片
Claims (40)
- モジュール型の固定切刃ボーリングビット本体(20)であり、
切刃支持部品(23)と、
当該切刃支持部品(23)に直に固定された少なくとも1つの切刃部品(61)であって、焼結炭化物からなり且つ各切刃部品(61)が少なくとも2つの別個の切刃部片(62,63,64,65)からなり、該個々の切刃部片(62,63,64,65)が少なくとも1つの切刃インサートポケット(25,51)を含んでいる、モジュール型の固定切刃ボーリングビット本体(20)。 - 請求項1に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記少なくとも1つの切刃支持部品(23)が、焼結硬質粒子、焼結炭化物、セラミック、合金、及びプラスチック、からなる群から選択された少なくとも1つの材料を含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項1に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記少なくとも2つの個々の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)が焼結炭化物によって本質的に構成されている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項3に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記切刃支持部品(23)が焼結炭化物によって本質的に構成されている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項1に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記切刃支持部品(23)が少なくとも1つの溝穴(41)を有しており、少なくとも2つの個々の切刃部片(62,63,64,65)からなる各切刃部品(61)が1つの切刃用の溝穴(41)内に固定されている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項1に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記切刃支持部品(23)が第一の焼結炭化物を含んでおり、前記少なくとも2つの個々の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)が第二の焼結炭化物を含んでおり、前記第一の焼結炭化物と第二の焼結炭化物とは少なくとも1つの特性が異なっている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項6に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物と第二の焼結炭化物とが、個々に、バインダ内に少なくとも1つの遷移金属炭化物粒子を含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物と第二の焼結炭化物とにおいて、前記少なくとも1つの遷移金属炭化物が、個々に、タンタル、クロム、バナジウム、ジルコニウム、ハフニウム、タンタル、モリブデン、ニオビウム、及びタングステンから選択されたものであり、前記バインダが、個々に、コバルト、ニッケル、鉄、コバルト合金、ニッケル合金、及び鉄合金から選択された少なくとも1つの金属を含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項8に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記バインダが、タングステン、チタン、タンタル、ニオビウム、クロム、モリブデン、ホウ素、炭素、ケイ素、ルテニウム、レニウム、マンガン、アルミニウム、及び銅、から選択された少なくとも1つの合金形成材を更に含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項8に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物の炭化物と第二の焼結炭化物の炭化物とがタングステン炭化物を含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項10に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物のバインダと前記第二の焼結炭化物のバインダとがコバルトを含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項6に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記少なくとも1つの特性が、弾性係数、硬度、耐摩耗性、破壊靱性、引っ張り強度、耐腐食性、熱膨張率、及び熱伝導率、からなる群から選択されたものである、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物のバインダと前記第二の焼結炭化物のバインダとは化学的組成が異なっている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物のバインダの重量パーセントが前記第二の焼結炭化物のバインダの重量パーセントと異なっている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物の前記遷移金属炭化物と第二の焼結炭化物の前記遷移金属炭化物とは化学的組成と平均粒度とのうちの少なくとも1つが異なっている、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物と前記第二の焼結炭化物とが、各々、2〜40重量パーセントのバインダと、60〜98重量パーセントの遷移金属炭化物とを含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物と前記第二の焼結炭化物とのうちの少なくとも一方が、0.3〜10μmの平均粒度の炭化タングステンを含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物と前記第二の焼結炭化物とのうちの一方が0.5〜10μmの平均粒度の炭化タングステン粒子を含んでおり、前記第一の焼結炭化物と前記第二の焼結炭化物とのうちの他方が0.3〜1.5μmの平均粒度の炭化タングステン粒子を含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物と前記第二の焼結炭化物とのうちの一方が、当該第一の焼結炭化物と前記第二の焼結炭化物とのうちの他方よりも1〜10重量パーセントだけ多くのバインダを含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第二の焼結炭化物の硬度が90〜94HRAであり、前記第一の焼結炭化物の硬度が85〜90HRAである、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項7に記載のモジュール型固定切刃ボーリングビット本体(20)であり、
前記第一の焼結炭化物が6〜15重量パーセントのコバルト合金を含んでおり、前記第二の焼結炭化物が10〜15重量パーセントのコバルト合金を含んでいる、モジュール型固定切刃ボーリングビット本体(20)。 - 請求項1に記載されたモジュール型固定切刃ボーリングビット本体(20)を含んでいるモジュール型の固定切刃ボーリングビット。
- モジュール型固定切刃ボーリングビットであり、
切刃支持部品(23)と、
当該切刃支持部品(23)に直に固定された少なくとも1つの切刃部品(61)であって、焼結炭化物からなり且つ前記少なくとも1つの切刃部品(61)の各々が少なくとも2つの別個の切刃部片(62,63,64,65)からなり、該別個の切刃部片が少なくとも1つのインサートポケット(25,51)を含んでいる前記少なくとも1つの切刃部品(61)と、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)に取り付けられている少なくとも1つの切刃インサートと、
を含んでいるモジュール型固定切刃ボーリングビット。 - 請求項23に記載のモジュール型固定切刃ボーリングビットであり、
前記少なくとも1つの切刃インサートが、焼結炭化物インサートと多結晶ダイヤモンドコンパクトとからなる群から選択されたものである、モジュール型固定切刃ボーリングビット。 - 請求項23に記載のモジュール型固定切刃ボーリングビットであり、
前記少なくとも1つの切刃インサートが前記少なくとも1つのインサートポケット(25,51)内に取り付けられている、モジュール型固定切刃ボーリングビット。 - 請求項25に記載のモジュール型固定切刃ボーリングビットであり、
前記少なくとも1つの切刃インサートが、焼結炭化物インサートと多結晶ダイヤモンドコンパクトとからなる群から選択されたものである、モジュール型固定切刃ボーリングビット。 - モジュール型の固定切刃ボーリングビット本体(20)を製造する方法であり、
切刃支持部品(23)を準備することと、
焼結硬質粒子を含み且つ各々が少なくとも2つの別個の切刃部片(62,63,64,65)からなり、該個々の切刃部片が少なくとも1つのインサートポケット(25,51)を含んでいる、少なくとも1つの切刃部品(61)を準備することと、
少なくとも2つの別個の切刃部片(62,63,64,65)を備えている前記少なくとも1つの切刃部品(61)を、前記切刃支持部品(23)に直に固定することと、を含む方法。 - 請求項27に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)を直に固定するステップが、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)の溝穴(41)内に挿入することと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に溶接することと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に蝋付けすることと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に半田付けすることと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に圧入することと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に焼嵌めすることと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に接着することと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)にねじが切られた機械的固定部材によって取り付けることと、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の各々を前記切刃支持部品(23)に機械的に固定することと、
のうちの少なくとも1つからなる、方法。 - 請求項28に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記焼結硬質粒子が焼結炭化物である、方法。 - 請求項27に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記切刃支持部品(23)が焼結硬質粒子及び鋼合金のうちの少なくとも1つを含んでいる、方法。 - 請求項30に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記切刃支持部品(23)が焼結炭化物を含んでいる、方法。 - 請求項31に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記切刃支持部品(23)が焼結炭化物から本質的に構成されている、方法。 - 請求項27に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記切刃支持部品(23)と 各々が少なくとも2つの別個の切刃部片(62,63,64,65)からなる少なくとも1つの切刃部品(61)とが、各々、個々に、バインダ内に少なくとも1つの炭化物の粒子を含んでいる焼結炭化物を含んでおり、
前記少なくとも1つの炭化物は、チタン、クロム、バナジウム、ジルコニウム、ハフニウム、タンタル、モリブデン、ニオビウム、及びタングステン、から選択された遷移金属の炭化物であり、
前記バインダは、コバルト、ニッケル、鉄、コバルト合金、ニッケル合金、及び鉄合金、から選択された少なくとも1つの金属を含んでいる、方法。 - 請求項33に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記切刃支持部品(23)の焼結炭化物のバインダ及び前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)の焼結炭化物のバインダが、各々、個々に、タングステン、チタン、タンタル、ニオビウム、クロム、モリブデン、ホウ素、炭素、ケイ素、ルテニウム、レニウム、マンガン、アルミニウム、銅、ジルコニウム、及びハフニウム、から選択された合金形成材を更に含んでいる、方法。 - 請求項33に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記炭化物がタングステンカーバイドであり、前記バインダがコバルトを含んでいる、方法。 - 請求項33に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)を準備するステップが、粉末金属を圧縮して圧粉体にすること、該圧粉体を機械加工すること、及び該機械加工された圧粉体を焼結すること、を含んでいる、方法。 - 請求項36に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記切刃支持部品(23)を準備するステップが、粉末金属を圧縮して圧粉体にすること、該圧粉体を機械加工すること、及び該機械加工された圧粉体を焼結すること、を含んでいる、方法。 - 請求項36又は37に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記粉末金属が金属炭化物粉末及びバインダ粉末を含んでいる、方法。 - 請求項27に記載のモジュール型固定切刃ボーリングビット本体(20)を製造する方法であり、
前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)が前記少なくとも2つの個々の部片を前記切刃支持部品に取り付けることを含んでいる、方法。 - モジュール型固定切刃ボーリングビットを製造する方法であり、
請求項1に記載されているモジュール型固定切刃ボーリングビット本体(20)を準備することと、少なくとも1つの切刃インサートを前記少なくとも2つの別個の切刃部片(62,63,64,65)からなる前記少なくとも1つの切刃部品(61)に固定することと、を含んでいる、方法。
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BRPI0710530B1 (pt) | 2018-01-30 |
AU2007244947B2 (en) | 2013-10-10 |
RU2432445C2 (ru) | 2011-10-27 |
MX2008012771A (es) | 2008-11-28 |
US20070251732A1 (en) | 2007-11-01 |
CA2648181C (en) | 2014-02-18 |
US8789625B2 (en) | 2014-07-29 |
EP2024599B1 (en) | 2011-06-08 |
BRPI0710530A2 (pt) | 2011-08-16 |
EP2327856A1 (en) | 2011-06-01 |
AU2007244947A1 (en) | 2007-11-08 |
CA2648181A1 (en) | 2007-11-08 |
ES2386626T3 (es) | 2012-08-23 |
US20130036872A1 (en) | 2013-02-14 |
WO2007127680A1 (en) | 2007-11-08 |
JP2009535536A (ja) | 2009-10-01 |
JP2013122165A (ja) | 2013-06-20 |
EP2024599A1 (en) | 2009-02-18 |
US8312941B2 (en) | 2012-11-20 |
ATE512278T1 (de) | 2011-06-15 |
EP2327856B1 (en) | 2016-06-08 |
RU2008146725A (ru) | 2010-06-10 |
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