JP4884374B2 - 地面穿孔用ビット - Google Patents
地面穿孔用ビット Download PDFInfo
- Publication number
- JP4884374B2 JP4884374B2 JP2007510995A JP2007510995A JP4884374B2 JP 4884374 B2 JP4884374 B2 JP 4884374B2 JP 2007510995 A JP2007510995 A JP 2007510995A JP 2007510995 A JP2007510995 A JP 2007510995A JP 4884374 B2 JP4884374 B2 JP 4884374B2
- Authority
- JP
- Japan
- Prior art keywords
- carbide
- binder
- bit body
- fixed cutter
- weight 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 - Fee Related
Links
- 238000005553 drilling Methods 0.000 title description 28
- 239000011230 binding agent Substances 0.000 claims description 121
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 87
- 239000002245 particle Substances 0.000 claims description 78
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 73
- 239000000203 mixture Substances 0.000 claims description 67
- 239000010941 cobalt Substances 0.000 claims description 62
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 62
- 229910017052 cobalt Inorganic materials 0.000 claims description 60
- 238000000034 method Methods 0.000 claims description 59
- 239000000956 alloy Substances 0.000 claims description 55
- 229910045601 alloy Inorganic materials 0.000 claims description 54
- 238000002844 melting Methods 0.000 claims description 53
- 230000008018 melting Effects 0.000 claims description 53
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 47
- 229910052759 nickel Inorganic materials 0.000 claims description 42
- 239000000843 powder Substances 0.000 claims description 38
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 34
- 229910052796 boron Inorganic materials 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 34
- 229910052723 transition metal Inorganic materials 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 26
- 150000003624 transition metals Chemical class 0.000 claims description 26
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 19
- 239000011651 chromium Substances 0.000 claims description 19
- 229910052710 silicon Inorganic materials 0.000 claims description 18
- 239000010703 silicon Substances 0.000 claims description 18
- 238000005245 sintering Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 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 10
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 150000001247 metal acetylides Chemical class 0.000 claims description 7
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- 239000006104 solid solution Substances 0.000 claims description 7
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- QIJNJJZPYXGIQM-UHFFFAOYSA-N 1lambda4,2lambda4-dimolybdacyclopropa-1,2,3-triene Chemical compound [Mo]=C=[Mo] QIJNJJZPYXGIQM-UHFFFAOYSA-N 0.000 claims 4
- 229910039444 MoC Inorganic materials 0.000 claims 4
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 claims 4
- UNASZPQZIFZUSI-UHFFFAOYSA-N methylidyneniobium Chemical compound [Nb]#C UNASZPQZIFZUSI-UHFFFAOYSA-N 0.000 claims 4
- NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 claims 4
- 229910003468 tantalcarbide Inorganic materials 0.000 claims 4
- 229910003470 tongbaite Inorganic materials 0.000 claims 4
- 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 claims 4
- 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 claims 3
- 229910026551 ZrC Inorganic materials 0.000 claims 3
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 claims 3
- WHJFNYXPKGDKBB-UHFFFAOYSA-N hafnium;methane Chemical compound C.[Hf] WHJFNYXPKGDKBB-UHFFFAOYSA-N 0.000 claims 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims 3
- OFEAOSSMQHGXMM-UHFFFAOYSA-N 12007-10-2 Chemical compound [W].[W]=[B] OFEAOSSMQHGXMM-UHFFFAOYSA-N 0.000 claims 1
- 229910052580 B4C Inorganic materials 0.000 claims 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims 1
- 238000000462 isostatic pressing Methods 0.000 claims 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims 1
- 229910021342 tungsten silicide Inorganic materials 0.000 claims 1
- 239000012071 phase Substances 0.000 description 48
- 230000005496 eutectics Effects 0.000 description 25
- 238000004455 differential thermal analysis Methods 0.000 description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 15
- 229910052721 tungsten Inorganic materials 0.000 description 15
- 239000010937 tungsten Substances 0.000 description 15
- 239000012300 argon atmosphere Substances 0.000 description 14
- 238000005266 casting Methods 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000005470 impregnation Methods 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- 239000000374 eutectic mixture Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910052718 tin Inorganic materials 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- 229910000531 Co alloy Inorganic materials 0.000 description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 4
- 239000010432 diamond Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052748 manganese Inorganic materials 0.000 description 4
- 239000011572 manganese Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000011135 tin Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 229910000640 Fe alloy Inorganic materials 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- COLZOALRRSURNK-UHFFFAOYSA-N cobalt;methane;tungsten Chemical compound C.[Co].[W] COLZOALRRSURNK-UHFFFAOYSA-N 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 229910052735 hafnium Inorganic materials 0.000 description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 239000010955 niobium Substances 0.000 description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- MOWMLACGTDMJRV-UHFFFAOYSA-N nickel tungsten Chemical compound [Ni].[W] MOWMLACGTDMJRV-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 transition metal carbides Chemical class 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- YCOASTWZYJGKEK-UHFFFAOYSA-N [Co].[Ni].[W] Chemical compound [Co].[Ni].[W] YCOASTWZYJGKEK-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006023 eutectic alloy Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005552 hardfacing Methods 0.000 description 1
- 210000004283 incisor Anatomy 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- JHOPGIQVBWUSNH-UHFFFAOYSA-N iron tungsten Chemical compound [Fe].[Fe].[W] JHOPGIQVBWUSNH-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000032258 transport Effects 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/10—Alloys containing non-metals
- C22C1/1036—Alloys containing non-metals starting from a melt
- C22C1/1068—Making hard metals based on borides, carbides, nitrides, oxides or silicides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/02—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides
- C22C29/06—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds
- C22C29/067—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on carbides or carbonitrides based on carbides, but not containing other metal compounds comprising a particular metallic binder
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Powder Metallurgy (AREA)
- Drilling Tools (AREA)
Description
本出願は、2004年5月18日に提出された米国特許出願番号10/848,437の一部係属出願であり、その米国特許出願は2004年4月28日に提出された米国仮出願番号60/556,063の優先権を請求する。
本発明は、地面穿孔用ビットの改良および地面穿孔用ビットを製造する方法の改良に関する。より具体的には、本発明は、地面穿孔用ビットの本体、ローラーコーン、インサートローラーコーン、ローラーコーン型地面穿孔用ビットのための歯付きコーンに関し、また地面穿孔用ビットの本体、ローラーコーン、インサートローラーコーン、ローラーコーン型地面穿孔用ビットのための歯付きコーン(cones and teeth for roller cone earth-boring bits)を形成する方法に関する。
本発明の態様は、地面穿孔用ビットのためのビット本体、ローラーコーン、インサートローラーコーン、ローラーコーン型ドリルビットのための歯付きコーンを形成するための組成物、およびそのような物品のためのビット本体を製造する方法に関する。さらに、その方法は他の物品を製造するために用いることができる。本発明のビット本体の特定の態様は、少なくとも一つの不連続な硬質相と、この硬質相を結合している連続的な結合剤相を含む。本発明の組成物と方法の態様は、この組成物と方法によって製造されるビット本体、ローラーコーン、インサートローラーコーン、歯、およびコーンのための増大した実用寿命を提供し、それにより地面穿孔用ビットまたはその他の工具の実用寿命を向上させる。ビット本体、ローラーコーン、インサートローラーコーン、またはコーンの母材は、物品の各々の領域に総体的な特性を与える。
ット)を形成することを含む。硬質の型の中での機械プレスまたは油圧プレスや湿潤バッグまたは乾燥バッグ等方圧プレスなど、一般的な技術を用いる粉末団結プロセスを用いてもよい。次いで、グリーンビレットを予備焼結するかまたは完全に焼結することによって、粉末をさらに固めて緻密にしてもよい。予備焼結することによって、部分的な団結化と一部の緻密化だけが生じる。グリーンビレットを、最終の焼結操作において達するべき温度よりも低い温度で予備焼結することができ、これにより予備焼結されたビレット(ブラウンビレット(brown billet))が得られる。ブラウンビレットは最終の完全に焼結された物品よりも比較的低い硬度と強度を有するが、しかしグリーンビレットにおけるよりもかなり高い。製造する間に、物品をグリーンビレット、ブラウンビレットまたは完全に焼結された物品として切削加工してもよい。典型的に、グリーンビレットまたはブラウンビレットの切削加工性は、完全に焼結された物品の切削加工性よりも実質的に容易である。完全に焼結された部品を切削加工することが困難である場合、あるいはこの部品を、必要とされる寸法上の最終許容誤差を満足させるためには切削加工するよりもむしろ研削加工する必要がある場合に、グリーンビレットまたはブラウンビレットを切削加工することが有利であろう。ビレットの空孔を閉鎖するための切削剤を添加するなど、部品の切削加工性を改善させるための他の手段を用いてもよい。典型的な切削剤はポリマーである。最後に、通常の真空炉中での液相温度での焼結またはシンターヒップ炉(SinterHip furnace
)中での高圧での焼結を行なうことができる。300〜2000psiの圧力および135
0〜1500℃の温度で、ビレットを過圧焼結してもよい。ビレットを予備焼結および焼結することによって、潤滑剤の除去、酸化物の還元、緻密化、および微細組織の発達がもたらされる。上述したように、焼結に続いて、ビット本体、ローラーコーン、インサートローラーコーンまたはコーンを、最終形状に形成するために、さらに適切に切削加工または研削加工してもよい。
Claims (37)
- 冶金粉末から製造された焼結された本体材料を含む固定カッター用ビット本体であり、
該冶金粉末は硬質粒子および結合剤を含み、
該硬質粒子は、炭化物、窒化物、ホウ化物、ケイ化物、酸化物、およびこれらの固溶体のうちの少なくとも一つを含み、そして
該結合剤は、コバルト、ニッケル、鉄およびこれらの合金から選択される少なくとも一つの金属を含み、
結合剤はさらに、結合剤の総質量に基づいて60質量パーセント以下の遷移金属炭化物、ホウ化物、またはケイ化物、50質量パーセント以下の遷移金属、10質量パーセント以下のホウ素、20質量パーセント以下のケイ素、20質量パーセント以下のクロム、および25質量パーセント以下のマンガンのうちの少なくとも一つから選択される少なくとも一つの融点低下成分を含み、そして
結合剤が、1050℃〜1350℃の範囲の融点を有する
固定カッター用ビット本体。 - 結合剤が、冶金粉末の35重量%以下の量で含まれている、請求項1に記載の固定カッター用ビット本体。
- 硬質粒子は、個々の単結晶、多結晶粒子、固溶体、2又はそれを超える相を含む多結晶粒子、結合剤を含む焼結した細粒、および結合剤を含まない焼結した細粒のうちの少なくとも一つである、請求項1又は2に記載の固定カッター用ビット本体。
- 硬質粒子は、炭化チタン、炭化クロム、炭化バナジウム、炭化ジルコニウム、炭化ハフニウム、炭化タンタル、炭化モリブデン、炭化ニオブ、および炭化タングステンから選択される少なくとも一つの遷移金属炭化物を含む、請求項1又は2に記載の固定カッター用ビット本体。
- 少なくとも一つの融点低下成分は、結合剤の総質量に基づいて30〜60質量パーセントの範囲で存在する炭化タングステン、ホウ化タングステン、およびケイ化タングステンのうちの少なくとも一つである、請求項1に記載の固定カッター用ビット本体。
- 硬質粒子は、炭化チタン、炭化クロム、炭化バナジウム、炭化ジルコニウム、炭化ハフニウム、炭化タンタル、炭化モリブデン、炭化ニオブ、および炭化タングステンから選択される少なくとも一つの遷移金属炭化物である、請求項1又は2に記載の固定カッター用ビット本体。
- 硬質粒子の遷移金属炭化物は炭化タングステンである、請求項6に記載の固定カッター用ビット本体。
- 結合剤の少なくとも一つの融点低下成分はさらに、炭化チタン、炭化タンタル、炭化ニオブ、炭化クロム、炭化モリブデン、炭化ホウ素、炭化炭素、炭化ケイ素、および炭化ルテニウムから選択される少なくとも一つの遷移金属炭化物を含む、請求項7に記載の固定カッター用ビット本体。
- 冶金粉末中の遷移金属炭化物の濃度は30〜99容量%の範囲である、請求項6に記載の固定カッター用ビット本体。
- 本体材料に付設された少なくとも一つの焼結炭化物合金のインサートをさらに含む、請求項1又は2に記載の固定カッター用ビット本体。
- 焼結炭化物合金のインサートは少なくとも一つのカッターポケットを含む、請求項10に記載の固定カッター用ビット本体。
- 結合剤は冶金粉末の20容量パーセントよりも多く含まれている、請求項1又は2に記載の固定カッター用ビット本体。
- 結合剤は冶金粉末の20〜60容量パーセントの範囲で含まれている、請求項12に記載の固定カッター用ビット本体。
- 結合剤は冶金粉末の20〜50容量パーセントの範囲で含まれている、請求項12に記載の固定カッター用ビット本体。
- 結合剤は冶金粉末の25〜40容量パーセントの範囲で含まれている、請求項12に記載の固定カッター用ビット本体。
- 硬質粒子は炭化タングステンを含んでいる結晶を含み、そして結合剤はコバルトを含む、請求項1又は2に記載の固定カッター用ビット本体。
- 本体材料に付設された合金鋼の軸部をさらに含む、請求項1、2、又は16に記載の固定カッター用ビット本体。
- 炭化物、窒化物、ホウ化物、ケイ化物、酸化物、およびこれらの固溶体からなる群から選択される複数の硬質粒子、ならびに、コバルト、ニッケル、鉄およびこれらの合金からなる群から選択される金属を含む結合剤を含む冶金粉末を固めることによって、グリーンビレットを形成する工程、および
該グリーンビレット由来の複合材料から実質的に構成される固定カッター用ビット本体を形成する工程
を含む方法であって、
ここで結合剤はさらに、結合剤の総質量に基づいて60質量パーセント以下の遷移金属炭化物、ホウ化物、またはケイ化物、50質量パーセント以下の遷移金属、10質量パーセント以下のホウ素、20質量パーセント以下のケイ素、20質量パーセント以下のクロム、および25質量パーセント以下のマンガンのうちの少なくとも一つから選択される少なくとも一つの融点低下成分を含み、そして
結合剤が、1050℃〜1350℃の範囲の融点を有する、前記方法。 - 炭化物、窒化物、ホウ化物、ケイ化物、酸化物、およびこれらの固溶体からなる群から選択される複数の硬質粒子、ならびに、コバルト、ニッケル、鉄およびこれらの合金からなる群から選択される金属を含む結合剤を含む冶金粉末を固めることによって、圧粉体を形成する工程、および
該圧粉体由来の複合材料から実質的に構成される固定カッター用ビット本体を形成する工程
を含む方法であって、該固定カッター用ビット本体を形成する工程は、少なくとも1の圧粉体を焼結する工程を含み、
結合剤はさらに、結合剤の総質量に基づいて60質量パーセント以下の遷移金属炭化物、ホウ化物、またはケイ化物、50質量パーセント以下の遷移金属、10質量パーセント以下のホウ素、20質量パーセント以下のケイ素、20質量パーセント以下のクロム、および25質量パーセント以下のマンガンのうちの少なくとも一つから選択される少なくとも一つの融点低下成分を含み、そして
結合剤が、1050℃〜1350℃の範囲の融点を有する、前記方法。 - 固定カッター用ビット本体により画定されたポケット中に切削インサートを配置する工程をさらに含む、請求項18または19に記載の方法。
- 該固定カッター用ビット本体を形成する工程は、
グリーンビレットを予備焼結してブラウンビレットを形成する工程、および
ブラウンビレットを焼結する工程
を含む、請求項18に記載の方法。 - 該固定カッター用ビット本体を形成する工程は、
圧粉体を予備焼結してブラウンビレットを形成する工程、および
ブラウンビレットを焼結する工程
を含む、請求項19に記載の方法。 - ブラウンビレットを焼結する工程の前に、ブラウンビレットを切削加工する工程をさらに含む、請求項21または22に記載の方法。
- グリーンビレットを予備焼結する工程の前に、グリーンビレットを切削加工する工程をさらに含む、請求項21に記載の方法。
- 該切削加工する工程が、グリーンビレット中に1またはそれを超える切削インサートポケットを切削加工することを含む、請求項24に記載の方法。
- 該冶金粉末を固めることが、冶金粉末をプレスすることを含む、請求項18または19に記載の方法。
- 該冶金粉末をプレスすることが、冶金粉末を等方圧プレスすることを含む、請求項26に記載の方法。
- 複数の硬質粒子が、炭化チタン、炭化クロム、炭化バナジウム、炭化ジルコニウム、炭化ハフニウム、炭化タンタル、炭化モリブデン、炭化ニオブ、および炭化タングステンからなる群から選択される遷移金属の炭化物を含む、請求項18または19に記載の方法。
- 該ブラウンビレットを焼結する工程が、ブラウンビレットを300〜2000psiの圧力および1350〜1500℃の温度で焼結することを含む、請求項21または22に記載の方法。
- グリーンビレットまたは圧粉体が、第一の組成を有する第一冶金粉末を含有する第一の領域と、第二の組成を有する第二冶金粉末を含有する第二の領域とを含む、請求項18または19に記載の方法。
- 冶金粉末を固める前に、
第一の組成の冶金粉末をグリーンビレット用の金型の空所の第一の領域中に配置する工程と、
第二の組成の冶金粉末を該空所の第二の領域中に配置する工程
をさらに含む、請求項18または19に記載の方法。 - 固定カッター用ビット本体に軸を取り付ける工程をさらに含む、請求項18または19に記載の方法。
- 該切削加工する工程が、ブラウンビレット中に1またはそれを超える切削インサートポケットを切削加工することを含む、請求項23に記載の方法。
- 形成された固定カッター用ビット本体が、300ksi(2068.5MPa)よりも大きな横破断強度を有する、請求項18または19に記載の方法。
- 形成された固定カッター用ビット本体が、55000000psi(379225MPa)よりも大きなヤング率を有する、請求項18または19に記載の方法。
- 焼結された本体材料が、300ksi(2068.5MPa)よりも大きな横破断強度を有する、請求項1または2に記載の固定カッター用ビット本体。
- 焼結された本体材料が、280ksi(1930.6MPa)よりも大きな横破断強度および55(10)6psi(379225MPa)よりも大きなヤング率を有する、請求項1または2に記載の固定カッター用ビット本体。
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US10/848,437 US20050211475A1 (en) | 2004-04-28 | 2004-05-18 | Earth-boring bits |
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2004
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2005
- 2005-04-28 JP JP2007510995A patent/JP4884374B2/ja not_active Expired - Fee Related
- 2005-04-28 US US11/116,752 patent/US7954569B2/en active Active
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- 2005-04-28 EP EP05741654A patent/EP1740794A1/en not_active Withdrawn
- 2005-04-28 RU RU2006141844/03A patent/RU2376442C2/ru active
- 2005-04-28 WO PCT/US2005/014742 patent/WO2005106183A1/en active Application Filing
- 2005-04-28 MX MXPA06012364A patent/MXPA06012364A/es active IP Right Grant
- 2005-04-28 NZ NZ550670A patent/NZ550670A/en not_active IP Right Cessation
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- 2005-04-28 SG SG200902243-5A patent/SG151332A1/en unknown
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RU2376442C2 (ru) | 2009-12-20 |
BRPI0510431B1 (pt) | 2018-01-02 |
US20120097456A1 (en) | 2012-04-26 |
IL178637A (en) | 2013-10-31 |
US8172914B2 (en) | 2012-05-08 |
SG151332A1 (en) | 2009-04-30 |
NZ550670A (en) | 2010-08-27 |
CA2564082C (en) | 2013-06-25 |
US7954569B2 (en) | 2011-06-07 |
JP2008504467A (ja) | 2008-02-14 |
CA2564082A1 (en) | 2005-11-10 |
US8403080B2 (en) | 2013-03-26 |
US20120097455A1 (en) | 2012-04-26 |
US20100193252A1 (en) | 2010-08-05 |
EP1740794A1 (en) | 2007-01-10 |
US8087324B2 (en) | 2012-01-03 |
US20050211475A1 (en) | 2005-09-29 |
RU2006141844A (ru) | 2008-06-20 |
US20080302576A1 (en) | 2008-12-11 |
US20050247491A1 (en) | 2005-11-10 |
MXPA06012364A (es) | 2007-04-19 |
AU2005238980A1 (en) | 2005-11-10 |
BRPI0510431A (pt) | 2007-10-30 |
US8007714B2 (en) | 2011-08-30 |
US20080163723A1 (en) | 2008-07-10 |
WO2005106183A1 (en) | 2005-11-10 |
IL178637A0 (en) | 2007-02-11 |
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