CN104801707B - A kind of exploration device for exploratory shaft sinking geological mapping - Google Patents
A kind of exploration device for exploratory shaft sinking geological mapping Download PDFInfo
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- 238000013507 mapping Methods 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
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- 239000010959 steel Substances 0.000 claims abstract description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000010439 graphite Substances 0.000 claims abstract description 22
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 22
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229960000892 attapulgite Drugs 0.000 claims abstract description 17
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- 229910000420 cerium oxide Inorganic materials 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 14
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 13
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 20
- 238000005245 sintering Methods 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000012467 final product Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 238000002156 mixing Methods 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 claims description 8
- 239000005995 Aluminium silicate Substances 0.000 claims description 5
- 235000012211 aluminium silicate Nutrition 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 2
- 239000011521 glass Substances 0.000 claims 1
- 238000005452 bending Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 229910003460 diamond Inorganic materials 0.000 description 4
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
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Abstract
The invention belongs to geological mapping field, disclose a kind of exploration device for exploratory shaft sinking geological mapping, it includes drill bit, and described drill bit is welded in steel matrix by cutter head and is prepared from, and described cutter head is prepared from by the raw material of following weight portion：120 parts of comminuted steel shot, 30 parts of copper powder, 20 parts of nikel powder, 15 parts of chromium powder, 10 parts of modified carborundum, 9 parts of manganese powder, 5 parts of molybdenum powder, 5 parts of vanadium powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, attapulgite modified 2 parts, 1 part of nano yttrium oxide, 1 part of nano-cerium oxide, 1 part of glass fibre, 1 part of graphite fibre.The present invention explores device excellent performance, possesses preferable application prospect.
Description
Technical field
The invention belongs to geological mapping field is and in particular to a kind of exploration device for exploratory shaft sinking geological mapping.
Background technology
Geological mapping（surveying and mapping for geology）It is for conducting a geological survey and mineral exploration
And its general name of the whole mapping operations involved by establishment of achievement map.Main include geological point survey, geological profile survey,
Geophysical-chemical measurement, control survey of mining area, mining area topographic survey, exploration screen cloth survey, exploration engineering positioning measurement, probing engineering are surveyed
Amount, shaft prospecting engineering survey, holing through survey, opencast survey, terrene shift observing and the drafting about map, printing and geology
The foundation of mineral products information system.Exploratory shaft sinking geological mapping refers to be holed in the earth formation with rig, to differentiate and to divide surface lower stratum,
And can be along a kind of exploitation method of hole depth sampling.Probing is a kind of exploration handss being most widely used in engineering geological investigation
Section, it can obtain the geologic information of deep layer.
Exploration device is the common tool of exploratory shaft sinking geological mapping；Drill bit is the vitals of exploration device, develops a kind of performance relatively
Good drill bit is particularly important.At present, most of geological prospectings work all using PDC drill bit, and with compound chip technology and brill
The development of well technique, this trend will continue.PDC drill bit is the abbreviation of polycrystalline diamond compact bit, is geological drilling
A kind of drilling tool that industry is commonly used.PDC drill bit is broadly divided into steel body type PDC drill bit and matrix-type PDC drill bit.Steel body type
PDC drill bit, is to be shaped with nickel, chromium, molybdenum alloy machining.Hole on bit body after Overheating Treatment, by man-made polycrystalline gold
In hard rock composite sheet press-in (tight fit) drill bit body, with column tungsten carbide gauge.Matrix-type PDC drill bit is by diamond compact
It is welded on a kind of chipping type bit on bit matrix by brazing mode.Matrix drill bits tungsten-carbide powder sintering forms, and uses
Man-made polycrystalline diamond composite sheet soldering, on tungsten carbide matrix, uses natural diamond gage.Two kinds of drill bits exist respective excellent
Shortcoming, tyre case PDC drill bit wearability is good, and its application stratum is also mainly in the competent bed in deep, but tyre case PDC bit body
Material hardness is not high and bending strength is poor, and leading to can only be using thicker scraper, to strengthen bit during drill bit design
Impact resistance, it is to avoid the generation of the pernicious drilling failure such as disconnected scraper.Steel body PDC drill bit is using high strength alloy steel processing
Become, intensity height is although employ the techniques such as surface overlaying to strengthen, but compares with matrix drill bits, and still seem abrasive resistance
Not enough.Therefore, if a kind of drill bit can be prepared having preferable anti-wear performance, a bending strength, and have higher hard
Degree, and without using scraper, and will be provided with extensive market potential.
The tyre case PDC drill bit of prior art preparation typically can not have both various advantages, and bending strength and impact flexibility are relatively
Good, often anti-wear performance is inadequate；And anti-wear performance preferable tyre case PDC drill bit often bending strength and impact flexibility are poor.As
What carries out novelty improvement to matrix drill bits, and the bending strength, impact flexibility, wear resistance ratio and the decay resistance that improve carcass are
The technological deficiency that prior art needs overcome.
Content of the invention
In order to overcome the technology barrier that in prior art, PDC drill bit exists, the present invention on the basis of existing technology, tastes
Try plurality of raw materials and proportioning raw materials, finally prepare a kind of performance preferably alloy bit.
For achieving the above object, the technical solution adopted in the present invention is as follows：
A kind of exploration device for exploratory shaft sinking geological mapping, it includes drill bit, and described drill bit is welded in steel matrix by cutter head
It is prepared from, described cutter head is prepared from by the raw material of following weight portion：
120 parts of comminuted steel shot, 30 parts of copper powder, 20 parts of nikel powder, 15 parts of chromium powder, 10 parts of modified carborundum, 9 parts of manganese powder, 5 parts of molybdenum powder,
5 parts of vanadium powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, attapulgite modified 2 parts, 1 part of nano yttrium oxide, nano-cerium oxide 1
Part, 1 part of glass fibre, 1 part of graphite fibre；
The particle diameter of described nano yttrium oxide or nano-cerium oxide is 10nm；Described glass fibre or graphite fibre a diameter of
5 μm, length is 50 μm；The particle diameter of comminuted steel shot, copper powder, nikel powder, chromium powder, manganese powder, molybdenum powder, vanadium powder and tungsten carbide powder is 200 mesh.
The preparation method of above-mentioned drill bit comprises the steps：
1）Prepare modified kaolin：Silane coupler KH-560 and Kaolin are added in ethanol successively, 500 turns/min
Stirring 30min, then by 80 DEG C of drying of batch mixing 5 hours, being ground to particle diameter was 200 mesh, obtains final product；Described silane coupler KH-560,
Ethanol and kaolinic mass ratio are 1：20：10.
2）Prepare attapulgite modified：Attapulgite is added in stirred reactor, then adds the 1M salt of 2 times of weight
Acid, 200 turns/min stirs 5min, 80 DEG C of drying, and being finally ground to particle diameter is 200 mesh, obtains final product.
3）The modified carborundum of preparation：Carborundum is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then puts powder
In container, subsequently add modifying agent, 1000 turns/min centrifugal mixer 10min, obtain final product；Described modifying agent by isopropyl titanate,
Water and acetone are according to 1：2：1 weight is obtained than mix homogeneously；The addition of described modifying agent is the percentage of carborundum quality
One of；
4）Mixing and sintering：By comminuted steel shot, copper powder, nikel powder, chromium powder, modified carborundum, manganese powder, molybdenum powder, vanadium powder, tungsten carbide
Powder, modified kaolin, attapulgite modified, nano yttrium oxide, nano-cerium oxide, glass fibre and graphite fibre mix and blend
Uniformly, stand 12h, be then attached in graphite jig, enter in high temperature sintering furnace and be sintered, the temperature of high temperature sintering furnace is
1200 DEG C, sintering time is 30min；
5）Cooling and welding：Graphite jig is taken out, is cooled to 30 DEG C, depanning obtains carcass, is finally processed into carcass
Cutter head, is welded to and obtains final product in steel matrix.
The invention also discloses a kind of cutter head for drill bit, raw material composition and preparation method are ibid.
The beneficial effect that the present invention obtains mainly includes：
Drill bit of the present invention can be applicable to the exploitation in various mines, and it is enhanced in bending strength, ballistic work, and
And wear resistance ratio has also reached higher parameter；The present invention uses nano yttrium oxide and nano-cerium oxide component uniformly, and granularity is little, shape
Become to diffuse strengthening, intensity can be improved, be also equipped with certain lubrication；The present invention, by being modified to carborundum, improves
The dispersion effect of carborundum, it is to avoid pile up；Modified kaolin and modified concavo-convex rod soil are anti-to matrix material filling enhancing, raising
Wear away the ability of rubbing and the effect of softening temperature；The present invention passes through to add glass fibre and graphite fibre so that interiors of products is organized
The uniformity in length and breadth of structure, alloy powder is uniformly dispersed, and substantially increases wearability and corrosion resistance.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application tool
Body embodiment, is more clearly and completely described to the present invention it is clear that described embodiment is only the application one
Divide embodiment, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making
The every other embodiment being obtained under the premise of creative work, all should belong to the scope of protection of the invention.
Embodiment 1
A kind of exploration device for exploratory shaft sinking geological mapping, it includes drill bit, and described drill bit is welded in steel matrix by cutter head
It is prepared from, described cutter head is prepared from by the raw material of following weight portion：
120 parts of comminuted steel shot, 30 parts of copper powder, 20 parts of nikel powder, 15 parts of chromium powder, 10 parts of modified carborundum, 9 parts of manganese powder, 5 parts of molybdenum powder,
5 parts of vanadium powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, attapulgite modified 2 parts, 1 part of nano yttrium oxide, nano-cerium oxide 1
Part, 1 part of glass fibre, 1 part of graphite fibre；
The particle diameter of described nano yttrium oxide or nano-cerium oxide is 10nm；Described glass fibre or graphite fibre a diameter of
5 μm, length is 50 μm；The particle diameter of comminuted steel shot, copper powder, nikel powder, chromium powder, manganese powder, molybdenum powder, vanadium powder and tungsten carbide powder is 200 mesh.
The preparation method of above-mentioned drill bit comprises the steps：
1）Prepare modified kaolin：Silane coupler KH-560 and Kaolin are added in ethanol successively, 500 turns/min
Stirring 30min, then by 80 DEG C of drying of batch mixing 5 hours, being ground to particle diameter was 200 mesh, obtains final product；Described silane coupler KH-560,
Ethanol and kaolinic mass ratio are 1：20：10.
2）Prepare attapulgite modified：Attapulgite is added in stirred reactor, then adds the 1M salt of 2 times of weight
Acid, 200 turns/min stirs 5min, 80 DEG C of drying, and being finally ground to particle diameter is 200 mesh, obtains final product.
3）The modified carborundum of preparation：Carborundum is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then puts powder
In container, subsequently add modifying agent, 1000 turns/min centrifugal mixer 10min, obtain final product；Described modifying agent by isopropyl titanate,
Water and acetone are according to 1：2：1 weight is obtained than mix homogeneously；The addition of described modifying agent is the percentage of carborundum quality
One of；
4）Mixing and sintering：By comminuted steel shot, copper powder, nikel powder, chromium powder, modified carborundum, manganese powder, molybdenum powder, vanadium powder, tungsten carbide
Powder, modified kaolin, attapulgite modified, nano yttrium oxide, nano-cerium oxide, glass fibre and graphite fibre mix and blend
Uniformly, stand 12h, be then attached in graphite jig, enter in high temperature sintering furnace and be sintered, the temperature of high temperature sintering furnace is
1200 DEG C, sintering time is 30min；
5）Cooling and welding：Graphite jig is taken out, is cooled to 30 DEG C, depanning obtains carcass, is finally processed into carcass
Cutter head, is welded to and obtains final product in steel matrix.
Embodiment 2
A kind of cutter head of drill bit, it is prepared from by the raw material of following weight portion：
120 parts of comminuted steel shot, 30 parts of copper powder, 20 parts of nikel powder, 15 parts of chromium powder, 10 parts of modified carborundum, 9 parts of manganese powder, 5 parts of molybdenum powder,
5 parts of vanadium powder, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, attapulgite modified 2 parts, 1 part of nano yttrium oxide, nano-cerium oxide 1
Part, 1 part of glass fibre, 1 part of graphite fibre；
The particle diameter of described nano yttrium oxide or nano-cerium oxide is 10nm；Described glass fibre or graphite fibre a diameter of
5 μm, length is 50 μm；The particle diameter of comminuted steel shot, copper powder, nikel powder, chromium powder, manganese powder, molybdenum powder, vanadium powder and tungsten carbide powder is 200 mesh.
The preparation method of above-mentioned cutter head comprises the steps：
1）Prepare modified kaolin：Silane coupler KH-560 and Kaolin are added in ethanol successively, 500 turns/min
Stirring 30min, then by 80 DEG C of drying of batch mixing 5 hours, being ground to particle diameter was 200 mesh, obtains final product；Described silane coupler KH-560,
Ethanol and kaolinic mass ratio are 1：20：10.
2）Prepare attapulgite modified：Attapulgite is added in stirred reactor, then adds the 1M salt of 2 times of weight
Acid, 200 turns/min stirs 5min, 80 DEG C of drying, and being finally ground to particle diameter is 200 mesh, obtains final product.
3）The modified carborundum of preparation：Carborundum is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then puts powder
In container, subsequently add modifying agent, 1000 turns/min centrifugal mixer 10min, obtain final product；Described modifying agent by isopropyl titanate,
Water and acetone are according to 1：2：1 weight is obtained than mix homogeneously；The addition of described modifying agent is the percentage of carborundum quality
One of；
4）Mixing and sintering：By comminuted steel shot, copper powder, nikel powder, chromium powder, modified carborundum, manganese powder, molybdenum powder, vanadium powder, tungsten carbide
Powder, modified kaolin, attapulgite modified, nano yttrium oxide, nano-cerium oxide, glass fibre and graphite fibre mix and blend
Uniformly, stand 12h, be then attached in graphite jig, enter in high temperature sintering furnace and be sintered, the temperature of high temperature sintering furnace is
1200 DEG C, sintering time is 30min；
5）Cooling and depanning：Graphite jig is taken out, is cooled to 30 DEG C, depanning obtains carcass, is finally processed into carcass
Cutter head.
Embodiment 3
The performance test of the tool tip material of the embodiment of the present invention 2 preparation：
Measuring mechanical property：Have detected bending strength（Using WE-10B universal hydraulic testing machine）, rockwell hardness testing
（Using rockwell hardness testing instrument）And wear resistance ratio；Wherein wear resistance ratio testing experiment, using emery wheel friction carcass, manual time-keeping
180 seconds, the quality of detection emery wheel and tool tip material, determine wear resistance ratio.Tool tip material is all using 5mm × 5mm × 5mm size；Sand
Take turns as silicon carbide grinding wheel.Specifically it is shown in Table 1：
Table 1
| Type | Bending strength/MPa | Rockwell hardness | Emery wheel weightlessness/g | Carcass weightlessness/g | Wear resistance ratio |
| The embodiment of the present invention 2 | 1231 | 44 | 3.72 | 0.60 | 6.20 |
| PDC drill bit tool tip material | 1100 | 40 | 2.78 | 0.61 | 4.57 |
Find, the bending strength of tool tip material of the present invention, Rockwell hardness and wear resistance ratio etc. are superior to by the comparison of table 1
Conventional PDC tool tip material, can be used as the succedaneum of PDC drill bit.It is welded in steel matrix using drill head of the present invention and obtain ground
Matter prospecting bore bit, the external diameter of design cutter head is 50mm, and with granite as example, rotating speed adopts 600 turns/min, and axial compression is
2500kg, drilling speed highest can reach 4.3m/h.
Seawater corrosion performance is tested：
Natural sea-water corrodes 500 hours：
The embodiment of the present invention 2：Surface pole slight erosion, 99% light maintained above；1% about region becomes taupe speckle
Point；PDC drill bit tool tip material：Surface slight erosion, 90% about keeps light；10% about region becomes taupe speckle.
Above-described embodiment is only currently preferred case study on implementation it is impossible to limit present invention model required for protection with this
Enclose, the change of any unsubstantiality that those skilled in the art is done on the basis of the present invention and replacement belong to the present invention
The scope claiming more.
Claims (2)
1. a kind of exploration device for exploratory shaft sinking geological mapping, it includes drill bit it is characterised in that described drill bit is welded to by cutter head
It is prepared from steel matrix, described cutter head is prepared from by the raw material of following weight portion：
120 parts of comminuted steel shot, 30 parts of copper powder, 20 parts of nikel powder, 15 parts of chromium powder, 10 parts of modified carborundum, 9 parts of manganese powder, 5 parts of molybdenum powder, vanadium powder 5
Part, 3 parts of tungsten carbide powder, 2 parts of modified kaolin, attapulgite modified 2 parts, 1 part of nano yttrium oxide, 1 part of nano-cerium oxide, glass
1 part of fiber, 1 part of graphite fibre；
The particle diameter of described nano yttrium oxide or nano-cerium oxide is 10nm；Described glass fibre or a diameter of 5 m of graphite fibre,
Length is 50 m；The particle diameter of described comminuted steel shot, copper powder, nikel powder, chromium powder, manganese powder, molybdenum powder, vanadium powder and tungsten carbide powder is 200 mesh.
2. exploration device according to claim 1 is it is characterised in that the preparation method of described drill bit comprises the steps：
1）Prepare modified kaolin：Silane coupler KH-560 and Kaolin are added in ethanol successively, 500 turns/min stirs
30min, then by 80 DEG C of drying of batch mixing 5 hours, being ground to particle diameter was 200 mesh, obtains final product；Described silane coupler KH-560, ethanol
And kaolinic mass ratio is 1：20：10；
2）Prepare attapulgite modified：Attapulgite is added in stirred reactor, then adds the 1M hydrochloric acid of 2 times of weight,
200 turns/min stirs 5min, 80 DEG C of drying, and being finally ground to particle diameter is 200 mesh, obtains final product；
3）The modified carborundum of preparation：Carborundum is delivered to ball mill, being milled to particle diameter is 200 mesh powder, then powder is placed in appearance
In device, subsequently add modifying agent, 1000 turns/min centrifugal mixer 10min, obtain final product；Described modifying agent by isopropyl titanate, water with
And acetone is according to 1：2：1 weight is obtained than mix homogeneously；The addition of described modifying agent is one of percentage of carborundum quality；
4）Mixing and sintering：By comminuted steel shot, copper powder, nikel powder, chromium powder, modified carborundum, manganese powder, molybdenum powder, vanadium powder, tungsten carbide powder, change
Property Kaolin, attapulgite modified, nano yttrium oxide, nano-cerium oxide, glass fibre and graphite fibre mixing and stirring,
Standing 12h, is then attached in graphite jig, enters in high temperature sintering furnace and is sintered, and the temperature of high temperature sintering furnace is 1200 DEG C,
Sintering time is 30min；
5）Cooling and welding：Graphite jig is taken out, is cooled to 30 DEG C, depanning obtains carcass, finally carcass is processed into cutter head,
It is welded to and obtain final product in steel matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204200.3A CN104801707B (en) | 2015-04-27 | 2015-04-27 | A kind of exploration device for exploratory shaft sinking geological mapping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510204200.3A CN104801707B (en) | 2015-04-27 | 2015-04-27 | A kind of exploration device for exploratory shaft sinking geological mapping |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104801707A CN104801707A (en) | 2015-07-29 |
| CN104801707B true CN104801707B (en) | 2017-03-01 |
Family
ID=53687138
Family Applications (1)
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| CN201510204200.3A Expired - Fee Related CN104801707B (en) | 2015-04-27 | 2015-04-27 | A kind of exploration device for exploratory shaft sinking geological mapping |
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| JP2003145316A (en) * | 2001-11-20 | 2003-05-20 | Toshiba Tungaloy Co Ltd | Tool for machining nonferrous metal |
| CN101412207A (en) * | 2008-09-26 | 2009-04-22 | 南京三超金刚石工具有限公司 | Diamond grinding wheel and method for manufacturing tool bit thereof |
| CN202596583U (en) * | 2011-12-28 | 2012-12-12 | 武汉六吉科技有限公司 | Shock-resistant polycrystalline diamond compact anchor bit |
| CN103056425A (en) * | 2013-02-27 | 2013-04-24 | 武汉大学 | Gradient composite coating alloy bit of super hard nanometer crystal TiN-CN (carbon nitride)-DLC (diamond-like carbon) and preparation method thereof |
| CN104060943A (en) * | 2014-04-11 | 2014-09-24 | 江苏长城石油装备制造有限公司 | Drill bit for screw drill tool |
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|---|---|---|---|---|
| US8080074B2 (en) * | 2006-11-20 | 2011-12-20 | Us Synthetic Corporation | Polycrystalline diamond compacts, and related methods and applications |
| US9315881B2 (en) * | 2008-10-03 | 2016-04-19 | Us Synthetic Corporation | Polycrystalline diamond, polycrystalline diamond compacts, methods of making same, and applications |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003145316A (en) * | 2001-11-20 | 2003-05-20 | Toshiba Tungaloy Co Ltd | Tool for machining nonferrous metal |
| CN101412207A (en) * | 2008-09-26 | 2009-04-22 | 南京三超金刚石工具有限公司 | Diamond grinding wheel and method for manufacturing tool bit thereof |
| CN202596583U (en) * | 2011-12-28 | 2012-12-12 | 武汉六吉科技有限公司 | Shock-resistant polycrystalline diamond compact anchor bit |
| CN103056425A (en) * | 2013-02-27 | 2013-04-24 | 武汉大学 | Gradient composite coating alloy bit of super hard nanometer crystal TiN-CN (carbon nitride)-DLC (diamond-like carbon) and preparation method thereof |
| CN104060943A (en) * | 2014-04-11 | 2014-09-24 | 江苏长城石油装备制造有限公司 | Drill bit for screw drill tool |
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| CN104801707A (en) | 2015-07-29 |
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