CN113756724A - Block type diamond bit for geological exploration and manufacturing process - Google Patents
Block type diamond bit for geological exploration and manufacturing process Download PDFInfo
- Publication number
- CN113756724A CN113756724A CN202111025583.XA CN202111025583A CN113756724A CN 113756724 A CN113756724 A CN 113756724A CN 202111025583 A CN202111025583 A CN 202111025583A CN 113756724 A CN113756724 A CN 113756724A
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- 239000010432 diamond Substances 0.000 title claims abstract description 52
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000011159 matrix material Substances 0.000 claims abstract description 42
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 239000000203 mixture Substances 0.000 claims abstract description 26
- 238000005553 drilling Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005245 sintering Methods 0.000 claims abstract description 7
- 238000005299 abrasion Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- 229910002804 graphite Inorganic materials 0.000 claims description 22
- 239000010439 graphite Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 18
- 238000011049 filling Methods 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000047 product Substances 0.000 claims description 4
- 239000011265 semifinished product Substances 0.000 claims description 4
- 238000000137 annealing Methods 0.000 claims description 3
- 238000007788 roughening Methods 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 238000011068 loading method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Classifications
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- 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
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- 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
-
- 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
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
-
- 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
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The block type diamond bit for geological exploration comprises a steel body and a matrix, wherein the matrix is positioned on the steel body, the steel body is provided with an inner water tank, a water gap and an outer water tank, the matrix consists of a working layer matrix and a non-working layer matrix, and the manufacturing process comprises the following steps: (1) preparing a mixture, (2) pressing and forming, (3) assembling, and (4) sintering and subsequent processing. The matrix structure of the drill bit is arranged into a block type, a cutting edge angle is formed in the drilling process, the circumference of the lip surface of the drill bit generates a height difference due to inconsistent abrasion degrees in the drilling process, teeth with different heights are formed, the drill bit is suitable for drilling of various stratums, the drilling speed is high, the drilling efficiency is high, and the service life is long.
Description
Technical Field
The invention relates to a drill bit and a manufacturing method thereof, in particular to a block type diamond drill bit for geological exploration and a manufacturing process thereof.
Background
The conventional diamond-impregnated bit has the advantages that the bit matrix is made of the same formula material, the lithological adaptation area of the bit is narrow, and the performance of the bit is difficult to influence the use effect and the construction efficiency of the bit by considering the performance requirements of various rock stratum properties on the bit when the bit drills in a complex stratum.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects in the prior art and provides a block type diamond drill bit for geological exploration, which has high drilling efficiency and long service life and is suitable for various stratums, and a manufacturing process thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a block formula diamond bit and manufacturing process for geological exploration, includes steel body and matrix, the matrix is located on the steel body, be equipped with interior basin, mouth of a river, outer basin on the steel body, the matrix comprises working layer matrix and non-working layer matrix two parts, block formula diamond bit's manufacturing process for geological exploration, include the following step:
(1) preparing a mixture: selecting 4/6 diamond grinding wheels to prepare diamonds with the volume concentration range of 20-85%, and uniformly mixing the selected diamonds with various concentrations with the matrix formula material to obtain 4/6 mixtures required by different blocks; the obtained mixed materials are divided into two groups, wherein each group comprises 2/3 mixed materials, one group is a high-concentration group, the other group is a low-concentration group, and the interval concentration ratio of each concentration in the high-concentration group to the low-concentration group is 1: 1.1-1.25; in the same diameter direction of the diamond bit, the interval concentration ratio of the low concentration group to the high concentration group is 1: 2.5-3.5.
(2) And (3) pressing and forming: respectively filling 4/6 different mixtures into a steel die, and pressing into required shapes to obtain 4/6 forming blocks, namely 2/3 high-concentration forming blocks and 2/3 low-concentration forming blocks;
(3) assembling: firstly, a graphite mould core, a graphite bottom ring and a water gap graphite plug are assembled in a matching way; secondly, a pressed tire body working layer forming block is arranged according to requirements, a red copper sheet is arranged on the periphery of the forming block, another forming block is arranged beside the red copper sheet, the red copper sheet is added, and the steps are repeated until the forming block is completely arranged; wherein, the forming blocks of the high concentration group and the low concentration group are required to be ensured to be arranged crosswise along the direction from the outer diameter to the inner diameter of the diamond drill bit, the high concentration group is arranged at the outer side, and the concentrations of the forming blocks of the high concentration group and the low concentration group are sequentially increased from the rotation direction during drilling; thirdly, pasting inner and outer diameter-keeping polycrystalline and alloy in the formed space, namely the inner wall of the die and the outer wall of the die core; fourthly, covering non-working layer powder on the assembled tire body working layer forming block; fifthly, placing the steel body on the non-working layer and sleeving a mold core of the mold;
(4) sintering and subsequent processing: and sintering to obtain a semi-finished product, and performing subsequent machining and appearance treatment to obtain a finished product leaving the factory.
Furthermore, the tire body is distributed in a block type by each wing/tire body, the diamond concentration of different blocks is distributed at intervals in high concentration and low concentration in the same diameter direction, the outer diameter part and the inner diameter part are both distributed in high concentration, the diamond concentration is sequentially distributed in an increasing mode along the drilling rotation direction, a cutting edge angle is formed in the drilling process, the circumference of the lip surface of the drill bit generates height difference due to different abrasion degrees in the drilling process, and the tooth shape with different heights is formed.
Further, the thickness of the red copper sheet is 0.5-1mm, and the red copper sheet is subjected to annealing treatment and surface roughening treatment, cut into a required size and pressed into a required shape.
The matrix of the drill bit adopts a block type structure, different matrix blocks adopt diamond formula materials with different concentrations, a cutting edge angle is formed in the drilling process, and the circumference of the lip surface of the drill bit generates a height difference due to inconsistent abrasion degrees in the drilling process to form teeth with different heights; the design of the drill bit matrix is more reasonable, the drill bit matrix is suitable for drilling in various stratums, each copper sheet is connected by a 0.5-1mm red copper sheet, the red copper sheets are subjected to annealing treatment and surface roughening treatment, cut into required sizes and pressed into required shapes, the connection strength of the matrix in the blocks and the strength of the whole matrix are increased, the diamond concentration of the copper sheets is low, the abrasion is easy to occur, and the drill bit generates a groove effect in the using process; the drilling speed and the drilling efficiency can be improved.
Drawings
FIG. 1 is a schematic structural view of a block-type diamond drill for geological exploration in example 1 of the present invention;
FIG. 2 is a schematic view of a combination of drill bit blocks in the embodiment of FIG. 1;
FIG. 3 is a schematic view of a drill block assembly according to example 2 of the present invention.
In the figure: 1. working layer carcass, 1', non-working layer carcass, 2, inner water tank, 3, water gap, 4, outer water tank, 5, steel body, 6, red copper sheet, 7, first carcass block, 8, second carcass block, 9, third carcass block, 10, fourth carcass block, 11, fifth carcass block, 12, sixth carcass block, 13, seventh carcass block, 14, eighth carcass block, 15, ninth carcass block, 16, tenth carcass block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
Referring to the attached drawings 1 and 2, the block type diamond drill for geological exploration of the embodiment comprises a matrix and a steel body 5, wherein the matrix is arranged on the steel body 5, and the steel body 5 is provided with an inner water tank 2, a water gap 3 and an outer water tank 4; the carcass is composed of a working layer carcass 1 and a non-working layer carcass 1'.
A preparation method of a block type diamond drill bit for geological exploration comprises the following steps:
(1) uniformly mixing the diamond with the diamond grinding wheel volume concentration of 60% and the matrix formula material according to the requirement to obtain a mixture, filling the mixture into a steel die, pressing to obtain a required shape to obtain a first forming block 7, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 20% and the matrix formula material to obtain the mixture, filling the mixture into the steel die, pressing to obtain a required shape to obtain a second forming block 8, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 70% and the matrix formula material to obtain the mixture, filling the mixture into the steel die, pressing to obtain a required shape to obtain a third forming block 9, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 25% and the matrix formula material to obtain the mixture, filling the mixture into the steel die, pressing to obtain a required shape to obtain a fourth forming block 10, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 85% and the matrix formula material, obtaining a mixture, putting the mixture into a steel die, pressing into a required shape to obtain a fifth forming block 11, uniformly mixing diamond with a diamond grinding wheel volume concentration of 30% and a matrix formula material to obtain a mixture, putting the mixture into the steel die, and pressing into a required shape to obtain a sixth forming block 12; (the number of the shaping block is the same as the number of the corresponding block of the finished carcass)
(2) Assembling, namely, firstly, assembling a graphite mold, a graphite mold core, a graphite bottom ring, a water gap graphite plug and the like in a matched manner, and then, filling the graphite mold, the graphite mold core, the graphite bottom ring, the water gap graphite plug and the like into a forming block according to the following requirements: in the rotating direction during drilling, the volume concentration of each forming block is increased, and a first forming block 7 (60%), a third forming block 9 (70%), a fifth forming block 11 (85%), or a second forming block 8 (20%), a fourth forming block 10 (25%), and a sixth forming block 12 (30%) are arranged in sequence, wherein the first forming block 7 (60%), the third forming block 9 (70%), the fifth forming block 11 (85%) is a high concentration group, the second forming block 8 (20%), the fourth forming block 10 (25%), and the sixth forming block 12 (30%) are low concentration groups, in the embodiment, five groups of forming blocks are arranged in sequence from the outer diameter to the inner diameter direction, the low concentration group and the high concentration group are arranged in a crossed manner, and the high concentration group is arranged on the outer side;
loading a pressed tire body working layer forming block, then loading a red copper sheet on the periphery of the forming block, loading another forming block beside the red copper sheet, then adding the red copper sheet, and repeating the steps until all the forming blocks (5 groups in the embodiment, 3 blocks in each group, and 15 blocks in total) are completely loaded; finally, the inner and outer diameter-keeping polycrystalline and alloy materials are stuck in the formed space (namely the outer wall of the mold core on the inner wall of the mold), then the powder of the non-working layer is covered on the assembled tire body working layer forming block, and finally the steel body 5 is placed on the non-working layer and sleeved into the mold core of the mold.
(4) Sintering to obtain a semi-finished product, and performing subsequent machining and appearance treatment to obtain a finished product leaving the factory.
Example 2
This example differs from example 1 in that: the number of the carcass blocks (forming blocks) is different, 3 groups are provided in the embodiment, and 2 blocks are provided in each group for 6 blocks.
Referring to the attached drawings 1 and 3, the block type diamond drill for geological exploration of the embodiment comprises a matrix 1 and a steel body 5, wherein the matrix 1 is arranged on the steel body 5, and an inner water tank 2, a water gap 3 and an outer water tank 4 are arranged on the steel body 5; the carcass is composed of a working layer carcass 1 and a non-working layer carcass 1'.
A preparation method of a block type diamond drill bit for geological exploration comprises the following steps:
(1) uniformly mixing the diamond with the diamond grinding wheel volume concentration of 70% and the matrix formula material according to the requirement to obtain a mixture, filling the mixture into a steel die, pressing to obtain a required shape to obtain a seventh forming block 13, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 25% and the matrix formula material to obtain a mixture, filling the mixture into the steel die, pressing to obtain a required shape to obtain an eighth forming block 14, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 85% and the matrix formula material to obtain a mixture, filling the mixture into the steel die, pressing to obtain a required shape to obtain a ninth forming block 15, uniformly mixing the diamond with the diamond grinding wheel volume concentration of 30% and the matrix formula material to obtain a matrix, filling the mixture into the steel die, and pressing to obtain a required shape to obtain a tenth forming block 16; (the number of the shaping block is the same as the number of the corresponding block of the finished carcass)
(2) Assembling, namely, firstly, assembling a graphite mold, a graphite mold core, a graphite bottom ring, a water gap graphite plug and the like in a matched manner, and then, filling the graphite mold, the graphite mold core, the graphite bottom ring, the water gap graphite plug and the like into a forming block according to the following requirements: in the rotating direction during drilling, the volume concentration of each forming block is increased, and a seventh forming block 13 (70%), a ninth forming block 15 (85%), an eighth forming block 14 (25%) and a tenth forming block 16 (30%) are sequentially arranged, wherein the seventh forming block 13 (70%), the ninth forming block 15 (85%) are high-concentration groups, the eighth forming block 14 (25%) and the tenth forming block 16 (30%) are low-concentration groups, in the embodiment, three groups of forming blocks are sequentially arranged from the outer diameter to the inner diameter direction, the low-concentration groups and the high-concentration groups are arranged in a crossed manner, and the high-concentration group is arranged on the outer side; loading a pressed carcass working layer forming block, then loading a red copper sheet on the periphery of the forming block, loading another forming block beside the red copper sheet, then adding the red copper sheet, and repeating the steps until all the forming blocks (3 groups and 6 blocks in the embodiment) are completely loaded; finally, the inner and outer diameter-keeping polycrystalline and alloy materials are stuck in the formed space (namely the outer wall of the mold core on the inner wall of the mold), then the powder of the non-working layer is covered on the assembled tire body working layer forming block, and finally the steel body 5 is placed on the non-working layer and sleeved into the mold core of the mold.
(4) Sintering to obtain a semi-finished product, and performing subsequent machining and appearance treatment to obtain a finished product leaving the factory.
Various modifications and variations of the present invention may be made by those skilled in the art, and they are still within the scope of the present patent invention provided they are within the scope of the claims and their equivalents.
What is not described in detail in the specification is prior art that is well known to those skilled in the art.
Claims (3)
1. The utility model provides a block formula diamond bit and manufacturing process for geological exploration, includes steel body and matrix, the matrix is located on the steel body, be equipped with interior basin, mouth of a river, outer basin on the steel body, its characterized in that, the matrix comprises working layer matrix and non-working layer matrix, block formula diamond bit's manufacturing process for geological exploration, including the following step:
(1) preparing a mixture: selecting 4/6 diamond grinding wheels to prepare diamonds with the volume concentration range of 20-85%, and uniformly mixing the selected diamonds with various concentrations with the matrix formula material to obtain 4/6 mixtures required by different blocks; the obtained mixed materials are divided into two groups, wherein each group comprises 2/3 mixed materials, one group is a high-concentration group, the other group is a low-concentration group, and the interval concentration ratio of each concentration in the high-concentration group to the low-concentration group is 1: 1.1-1.25; in the same diameter direction of the diamond drill bit, the interval concentration ratio of the low concentration group to the high concentration group is 1: 2.5-3.5;
(2) and (3) pressing and forming: respectively filling 4/6 different mixtures into a steel die, and pressing into required shapes to obtain 4/6 forming blocks, namely 2/3 high-concentration forming blocks and 2/3 low-concentration forming blocks;
(3) assembling: firstly, a graphite mould core, a graphite bottom ring and a water gap graphite plug are assembled in a matching way; secondly, a pressed tire body working layer forming block is arranged according to requirements, a red copper sheet is arranged on the periphery of the forming block, another forming block is arranged beside the red copper sheet, the red copper sheet is added, and the steps are repeated until the forming block is completely arranged; wherein, the forming blocks of the high concentration group and the low concentration group are required to be ensured to be arranged crosswise along the direction from the outer diameter to the inner diameter of the diamond drill bit, the high concentration group is arranged at the outer side, and the concentrations of the forming blocks of the high concentration group and the low concentration group are sequentially increased from the rotation direction during drilling; thirdly, pasting inner and outer diameter-keeping polycrystalline and alloy in the formed space, namely the inner wall of the die and the outer wall of the die core; fourthly, covering non-working layer powder on the assembled tire body working layer forming block; fifthly, placing the steel body on the non-working layer and sleeving a mold core of the mold;
(4) sintering and subsequent processing: and sintering to obtain a semi-finished product, and performing subsequent machining and appearance treatment to obtain a finished product leaving the factory.
2. The block type diamond drill bit for geological exploration and manufacturing process according to claim 1, wherein: the matrix is distributed in each wing/matrix block type, the diamond concentration of different blocks is distributed at intervals in high concentration and low concentration in the same diameter direction, the outer diameter part and the inner diameter part are both distributed in high concentration, the diamond concentration is sequentially distributed in an increasing mode along the drilling rotation direction, a cutting edge angle is formed in the drilling process, the height difference is generated due to the fact that the abrasion degree of the circumference of the lip surface of the drill bit is not consistent in the drilling process, and the dentiform with different heights is formed.
3. The block type diamond drill bit for geological exploration and manufacturing process according to claim 1 or 2, wherein: the thickness of the red copper sheet is 0.5-1mm, and the red copper sheet is subjected to annealing treatment and surface roughening treatment, cut into a required size and pressed into a required shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025583.XA CN113756724B (en) | 2021-09-02 | 2021-09-02 | Block type diamond drill bit for geological exploration and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111025583.XA CN113756724B (en) | 2021-09-02 | 2021-09-02 | Block type diamond drill bit for geological exploration and manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113756724A true CN113756724A (en) | 2021-12-07 |
| CN113756724B CN113756724B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111025583.XA Active CN113756724B (en) | 2021-09-02 | 2021-09-02 | Block type diamond drill bit for geological exploration and manufacturing process |
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| Country | Link |
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| CN (1) | CN113756724B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
| RU2169249C2 (en) * | 1999-08-27 | 2001-06-20 | Федеральное государственное унитарное Научно-исследовательское геологическое предприятие "Тульское НИГП" | Diamond crown bit |
| CN104612592A (en) * | 2015-01-22 | 2015-05-13 | 长沙锐合钻石工具有限公司 | Casing gas containing hole impregnated diamond bit for geological exploration and manufacturing process |
| CN204419038U (en) * | 2014-12-02 | 2015-06-24 | 辽宁工业大学 | A kind of ordered arrangement soldering diamond-impregnated bit |
| CN108612483A (en) * | 2018-04-20 | 2018-10-02 | 中南大学 | The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft |
| CN113073942A (en) * | 2021-03-19 | 2021-07-06 | 中南大学 | Drill bit for drilling |
-
2021
- 2021-09-02 CN CN202111025583.XA patent/CN113756724B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4128136A (en) * | 1977-12-09 | 1978-12-05 | Lamage Limited | Drill bit |
| RU2169249C2 (en) * | 1999-08-27 | 2001-06-20 | Федеральное государственное унитарное Научно-исследовательское геологическое предприятие "Тульское НИГП" | Diamond crown bit |
| CN204419038U (en) * | 2014-12-02 | 2015-06-24 | 辽宁工业大学 | A kind of ordered arrangement soldering diamond-impregnated bit |
| CN104612592A (en) * | 2015-01-22 | 2015-05-13 | 长沙锐合钻石工具有限公司 | Casing gas containing hole impregnated diamond bit for geological exploration and manufacturing process |
| CN108612483A (en) * | 2018-04-20 | 2018-10-02 | 中南大学 | The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft |
| CN113073942A (en) * | 2021-03-19 | 2021-07-06 | 中南大学 | Drill bit for drilling |
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| Publication number | Publication date |
|---|---|
| CN113756724B (en) | 2024-01-26 |
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