CN108612483A - The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft - Google Patents
The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft Download PDFInfo
- Publication number
- CN108612483A CN108612483A CN201810361422.XA CN201810361422A CN108612483A CN 108612483 A CN108612483 A CN 108612483A CN 201810361422 A CN201810361422 A CN 201810361422A CN 108612483 A CN108612483 A CN 108612483A
- Authority
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- China
- Prior art keywords
- thin slice
- powder
- carcass
- working lining
- reduction
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/107—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing organic material comprising solvents, e.g. for slip casting
-
- 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
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
-
- 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
- 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
Abstract
The invention discloses a kind of orderly positioning reduction multigroup zigzag diamond bits of carcass self-forming, are made of brill tooth and steel body, it is that the working lining thin slice of 0.2~1.5mm and middle interlayer thin slice are combined to bore tooth by thickness；Working lining thin slice uses metal powder, tungsten-carbide powder and diamond for raw material, and middle interlayer thin slice uses graphite powder, ceramic powder and copper-tin alloy powder for raw material；Organic solvent is separately added into pulp material and pours mold forming, blank of laminating after vacuum bakeout and low-temperature sintering；Carcass particle is weakened according to the orderly positioning arrangement of design concentration, heeling-in is in working lining thin slice blank precalculated position；Working lining thin slice and middle interlayer thin slice alternate intervals are packed into graphite jig composition and bore tooth, then drill bit is made in hot pressed sintering after installing steel body.There is pit in working lip in diamond bit drilling process of the present invention, while groove occurs in middle interlayer advanced wear, and bit operation face forms zigzag pattern, creeps into out that sword is fast, efficient, low energy consumption.
Description
Technical field
The present invention principally falls into powder metallurgy and drilling project field, using hot pressing and sintering technique, is distributed by orderly positioning
Structure implantation reduction carcass particle utilizes mechanical processing tools more particularly to multigroup zigzag by lamellae cross assembling mode
Diamond bit and its manufacture craft.
Background technology
With the optimization of drilling equipment, the progress of drilling technology, many complex situations stratum drilling problems have solved very well
Certainly.However, the drill bit as direct fractured rock, still needs to improve in face of its service life of common rock stratum and efficiency, and to extreme rock stratum,
If not drilling depth problem occurs often in hard and compact low-abrasive stratum, fail to find ideal effective solution method always.Change
The Breaking Rock Mechanism of drill bit accelerates diamond particles and goes out sword speed, reduces the contact area of working lip and rock, and reduction carcass is resistance to
Performance is ground, is the effective way for solving above-mentioned problem.Orderly positioning is weakening the multigroup zigzag diamond bit of carcass self-forming just
It is to improve drill bit efficiency in engineering, prevent invention of the drill bit not in terms of drilling depth based on creeping into.
Invention content
The object of the present invention is to provide a kind of multigroup zigzag diamond bit of orderly positioning reduction carcass self-forming and systems
Make technique.
Drill bit of the present invention is made of brill tooth and steel body, bore tooth it is compound by working lining thin slice and middle interlayer thin slice alternate intervals and
At, assemble according to working lining thin slice-middle interlayer thin slice-...-working lining thin slice alternate intervals, working lining sheet thickness and
Middle interlayer sheet thickness is 0.2~1.5mm；The reduction carcass particle of orderly positioning arrangement is distributed in working lining thin slice；Reduction
Carcass particle falls off at work, and pit occurs in working lining, while groove occurs in middle interlayer advanced wear, and diamond working face is certainly
Dynamic to form multigroup laciniation, it is whole to bore tooth and steel body by heat fusion.
The orderly positioning arrangement is in equidistant shape, radial or helical form.
The reduction carcass particle is hollow glass bead, perfectly round graphite particle or perfectly roundization silicon-carbide particle.
The reduction carcass solids volume concentration is 2%~50%, and grain size is 0.2~1.5mm.
The manufacture craft that the present invention orderly positions the reduction multigroup zigzag diamond bit of carcass self-forming includes following step
Suddenly：
The first step, graphite jig, Alloy-steel mold and pressure head and steel body prepare；Second step, the configuration of working lining pulpous state material；The
Three steps, middle interlayer pulpous state material configuration；4th step, pulpous state material pour mold forming；5th step, vacuum bakeout；6th step, low-temp low-pressure are burnt
Knot；7th step, reduction carcass particle orderly position compress；8th step, the assembling of thin slice blank is placed with steel body and hot pressed sintering；The
Nine steps, cooling and demolding mechanical processing.
Detailed process is：Metal powder, tungsten-carbide powder and diamond addition organic solvent are mixed into mobility appropriateness
Working lining pulpous state material, pour mold forming and be placed in vacuum drying oven, 10~60min is toasted at 50~100 DEG C of temperature；Wait for pulpous state
Material consolidation after, hot pressed sintering at a temperature of 1~10MPa pressure and 350~650 DEG C, be made surface programming orderly position be distributed it is recessed
Cheat the working lining thin slice blank of structure；Graphite powder, ceramic powder and copper-tin alloy powder addition organic solvent are mixed into mobility to fit
The middle interlayer pulpous state material of degree, pours mold forming and is placed in vacuum drying oven, and 10~60min is toasted at 50~100 DEG C of temperature；It waits starching
After shape material consolidation, middle interlayer thin slice blank is made in hot pressed sintering at a temperature of 1~10MPa pressure and 350~650 DEG C；By work
Layer thin slice blank and middle interlayer thin slice blank take out from punching block, and compress weakens carcass particle on working lining thin slice blank, ensures
There is a reduction carcass particle in each of which pit；By the working lining thin slice blank of the carcass particle containing reduction and middle interlayer thin slice hair
Base is assembled into brill according to the alternate intervals sequence and specified quantity of working lining thin slice-middle interlayer thin slice-...-working lining thin slice
Tooth will assemble and bore the graphite jig of tooth and install steel body and be placed in hot pressed sintering in intermediate frequency furnace, and temperature is 900~1000 DEG C, pressure
Power is 10~30MPa, and cooling and demolding is machined, obtains orderly positioning the reduction multigroup zigzag diamond drill machine of carcass self-forming
Head.
Middle graphite jig, Alloy-steel mold and the pressure head and steel body prepare, the mold pressure that low-temperature and low-pressure sintering is selected
Head ensures reduction carcass particle in the orderly positioning arrangement mode such as equidistant shape, radial, helical form, pressure head according to design requirement
Material selection stainless steel or other steel alloys are processed using laser engraving method or other methods；Pressure head tooth positions are corresponded in equidistant
The ordered arrangements such as shape, radial, helical form, double wedge size is suitable with the reduction carcass granular size of selection, ensures to extrude
Each pit interior energy accommodate one reduction carcass particle.
The work layer formula is former containing powder and diamond organic solvent etc. such as cobalt, nickel, chromium, manganese, copper, tin, tungsten carbides
Material；Wherein cobalt powder, nickel powder, chromium powder, manganese powder respectively account for the 2%~60% of gross mass；Copper powder and glass putty respectively account for gross mass 5%~
70%；Tungsten carbide powder accounts for the 0%~60% of gross mass；Diamond concentration used is 8%~60%, and grain size is 0.05~1.0mm；
Match pulp material using the organic solvent containing glycerine, paraffin, ethyl alcohol, ethylene glycol etc..
Graphitiferous powder, ceramic powder, copper-tin alloy powder etc. in the interval layer formula；Wherein graphite powder, ceramic powder respectively account for
The 5%~70% of gross mass, copper-tin alloy powder account for the 20%~80% of gross mass；Using containing glycerine, paraffin, ethyl alcohol, second two
The organic solvent of alcohol etc. matches pulp material.
The thin slice blank assembling is placed with steel body and hot pressed sintering, and compress is orderly positioned to distribution reduction carcass particle
Working lining thin slice blank and middle interlayer thin slice be assembled into brill tooth according to alternate intervals sequence and specified quantity, brill tooth will be assembled
Graphite jig install steel body and be placed in hot pressed sintering in intermediate frequency furnace, cooling and demolding is machined to obtain finished product drill bit.
Orderly positioning of the present invention weakens the multigroup zigzag diamond bit of carcass self-forming, and carcass working lining is in
Interlayer forms composite construction, and the reduction carcass particle Automatic-falling of arrangement is orderly positioned in drilling process, and sawtooth labial surface occurs recessed
Hole, while middle interlayer advanced wear makes sawtooth working face form groove, and bit operation face is caused to automatically form multigroup zigzag shape
Looks, it is more preferable that diamond particles go out sword, improves detritus efficiency, reduces energy consumption.
Description of the drawings
Fig. 1 is the present invention orderly positioning reduction multigroup zigzag diamond bit structure chart of carcass self-forming；
Fig. 2 is that drill bit of the present invention bores tooth and diagrammatic cross-section.
Specific implementation mode
Embodiment 1
Referring to Figures 1 and 2, orderly positioning weakens the multigroup zigzag diamond bit of carcass self-forming by brill tooth and steel body 8
Deng composition.It bores tooth to be sintered by working lining thin slice 1 and the assembling of middle interlayer thin slice 2 interval, working lining thin slice 1 is all dispersed with Buddha's warrior attendant
Stone particle 4 and orderly the reduction carcass particle 3 of positioning arrangement；Carcass particle is weakened when bit operation to fall off to form pit 5, Buddha's warrior attendant
Stone particle protrusion, middle interlayer advanced wear form groove 6, automatically form multigroup zigzag working lip 7.It bores tooth and steel body 8 is logical
It is whole to cross heat fusion.
Outside diameter/internal diameter is Φ 76/49mm, bit matrix working lining lamina dimensions：Long × high × thick=(22~12)
mm×12mm×0.3mm；Middle separation layer lamina dimensions：Length × height × thickness=(22~12) mm × 12mm × 0.2mm, it is single only to bore tooth
Containing 27 layers of working lining thin slice and 26 layers of separation layer thin slice, size is length × height × thickness=22/12mm × 12mm × 13.5mm.
Working lining matrix formula (mass ratio)：Cobalt powder 40%, nickel powder 10%, manganese powder 5%, chromium powder 5%, copper powder 25%, tin
Powder 5%, tungsten carbide powder 10%, powder size are 325 mesh (45 microns) with thin；Diamond volume a concentration of 20%, granularity are
35/50 mesh (270-425 microns)；It weakens carcass particle and selects hollow glass bead, a concentration of 8%, grain size 0.3mm, by equidistant
The orderly positioning arrangement of shape.
Interval layer formula (mass ratio)：Graphite powder 20%, ceramic powder 10%, copper-tin alloy powder 70%, powder size are
325 mesh (45 microns) are with thin.
Its fabrication processing is：
1. Alloy-steel mold, steel alloy pressure head, graphite jig, drilling bit steel body are processed.
2. working lining carcass powder, diamond and organic solvent batch mixing；Middle interlayer powder and organic solvent batch mixing；Hollow glass
Glass pearl prepares.
3. the pulpous state material mixed pours mold forming, it is placed in vacuum oven, 30min is toasted at a temperature of 55 DEG C.
4. the Alloy-steel mold after baking moves in sintering furnace, low-temp low-pressure is carried out under 500 DEG C of temperature 3.0MPa pressure
Sintering obtains working lining thin slice blank of the surface with equidistant shape distribution pit.
5. taking out blank after cooling, in working lining thin slice blank compress hollow glass bead, it is in accordingly equidistant shape to place it in
In the pit of structure, then by the working lining thin slice blank of 27 compress hollow glass beads and 26 middle interlayer thin slice blank intervals
It is assembled into graphite jig.It places steel body in assembled graphite jig and is put into intermediate frequency furnace and carry out hot pressed sintering, temperature is
960 DEG C, pressure 15MPa takes out demoulding after reaching the heat-insulation pressure keeping time and being gone with furnace cooling.
6. the drill bit blank that sintering is completed, is machined, after processing screw thread, the mouth of a river, sink etc., cleaning packaging
It is for use after processing.
Embodiment 2
Referring to Figures 1 and 2, orderly positioning weakens the multigroup zigzag diamond bit of carcass self-forming by brill tooth and steel body 8
Deng composition.It bores tooth to be sintered by working lining thin slice 1 and the assembling of middle interlayer thin slice 2 interval, working lining thin slice 1 is all dispersed with Buddha's warrior attendant
Stone particle 4 and orderly the reduction carcass particle 3 of positioning arrangement；Carcass particle is weakened when bit operation to fall off to form pit 5, Buddha's warrior attendant
Stone particle protrusion, middle interlayer advanced wear form groove 6, automatically form multigroup zigzag working lip 7.It bores tooth and steel body 8 is logical
It is whole to cross heat fusion.
Outside diameter/internal diameter is Φ 101.6/84mm, bit matrix working lining lamina dimensions：Long × high × thick=(25~
19.5)mm×14mm×0.4mm；Middle interlayer lamina dimensions：Length × height × thickness=(25~19.5) mm × 14mm × 0.3mm, it is single
It only bores pitch block and contains interlayer thin slice in 13 layers of working lining thin slice and 12 layers, it is long × high × thickness=25/ to bore pitch block size
19.5mm×14mm×8.5mm。
Working lining matrix formula (mass ratio)：Cobalt powder 40%, nickel powder 10%, manganese powder 3%, chromium powder 2%, copper powder 25%, tin
Powder 5%, tungsten carbide powder 15%, powder size are 325 mesh (45 microns) with thin；Diamond volume a concentration of 22%, granularity are
40/60 mesh (250-380 microns)；The perfectly round graphite particle of reduction carcass particle selection, a concentration of 10%, grain size 0.4mm is pressed
The orderly positioning arrangement of helical form.
Interval layer formula (mass ratio)：Graphite powder 20%, ceramic powder 20%, copper-tin alloy powder 60%, particle diameters
It is 325 mesh (45 microns) with thin.
Its fabrication processing is：
1. Alloy-steel mold, steel alloy pressure head, graphite jig, drilling bit steel body are processed.
2. working lining carcass powder, diamond and organic solvent batch mixing；Middle interlayer powder and organic solvent batch mixing；Hollow glass
Glass pearl prepares.
3. the pulpous state material mixed pours mold forming, it is placed in vacuum oven, 35min is toasted at a temperature of 60 DEG C.
4. the Alloy-steel mold after baking moves in sintering furnace, low-temp low-pressure is carried out under 550 DEG C of temperature 3.5MPa pressure
Sintering obtains the working lining thin slice blank that surface carries spiral distribution pit.
5. taking out blank after cooling, in the perfectly round graphite particle of working lining thin slice blank compress, it is in accordingly spiral shell to place it in
In the pit for revolving shape structure, then by the working lining thin slice blank and 12 middle interlayer thin slice blanks of 13 compress hollow glass beads
Interval is assembled into graphite jig.It places steel body in assembled graphite jig and is put into intermediate frequency furnace and carry out hot pressed sintering, temperature
Degree is 970 DEG C, and pressure 18MPa takes out demoulding after reaching the heat-insulation pressure keeping time and being gone with furnace cooling.
6. the drill bit blank that sintering is completed, is machined, after processing screw thread, the mouth of a river, sink etc., cleaning packaging
It is for use after processing.
Claims (8)
1. the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming, it is characterised in that：Drill bit is by brill tooth and steel body
Composition bores tooth and is combined by working lining thin slice and middle interlayer thin slice, worked according to working lining thin slice-middle interlayer thin slice-...-
Layer thin slice alternate intervals assemble, and working lining sheet thickness and middle interlayer sheet thickness are 0.2~1.5mm；Working lining is thin
The reduction carcass particle of orderly positioning arrangement is distributed in piece；Reduction carcass particle falls off at work, and pit occurs in working lining, together
When in interlayer advanced wear there is groove, diamond working face automatically forms multigroup laciniation, bores tooth and steel body by adding
Heat is fused to entirety.
2. the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming as described in claim 1, it is characterised in that：
The orderly positioning arrangement is in equidistant shape, radial or helical form.
3. the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming as described in claim 1, it is characterised in that：
The reduction carcass particle is hollow glass bead, perfectly round graphite particle or perfectly roundization silicon-carbide particle.
4. the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming as claimed in claim 3, it is characterised in that：
The reduction carcass solids volume concentration is 2%~50%, and grain size is 0.2~1.5mm.
5. the orderly positioning as described in Claims 1 to 4 any one weakens the multigroup zigzag diamond bit of carcass self-forming
Manufacture craft, it is characterised in that：
The first step, graphite jig, Alloy-steel mold and pressure head and steel body prepare；Second step, the configuration of working lining pulpous state material；Third
Step, middle interlayer pulpous state material configuration；4th step, pulpous state material pour mold forming；5th step, vacuum bakeout；6th step, low-temp low-pressure are burnt
Knot；7th step, reduction carcass particle orderly position compress；8th step, the assembling of thin slice blank is placed with steel body and hot pressed sintering；The
Nine steps, cooling and demolding mechanical processing；Detailed process is：
Metal powder, tungsten-carbide powder and diamond addition organic solvent are mixed into the working lining pulpous state material of mobility appropriateness,
It pours mold forming to be placed in vacuum drying oven, 10~60min is toasted at 50~100 DEG C of temperature；After pulpous state material consolidation, 1~
The working lining that surface programming orderly positions distribution bowl configurations is made in hot pressed sintering at a temperature of 10MPa pressure and 350~650 DEG C
Thin slice blank；Graphite powder, ceramic powder and copper-tin alloy powder addition organic solvent are mixed into the middle interlayer pulpous state material of mobility,
It pours mold forming to be placed in vacuum drying oven, 10~60min is toasted at 50~100 DEG C of temperature；After pulpous state material consolidation, 1~
Hot pressed sintering at a temperature of 10MPa pressure and 350~650 DEG C, is made middle interlayer thin slice blank；By working lining thin slice blank and interval
Layer thin slice blank takes out from punching block, and compress weakens carcass particle on working lining thin slice blank, ensures there is one in each of which pit
Reduction carcass particle；It is thin according to working lining by the working lining thin slice blank of the carcass particle containing reduction and middle interlayer thin slice blank
The alternate intervals sequence and specified quantity of the middle interlayer thin slice-working lining thin slice ... of piece-are assembled into brill tooth, and tooth is bored by assembling
Graphite jig installs steel body and is placed in hot pressed sintering in intermediate frequency furnace, and sintering temperature is 900~1000 DEG C, and pressure is 10~30MPa；
Through mechanical processing after cooling and demolding, obtain orderly positioning the reduction multigroup zigzag diamond bit of carcass self-forming.
6. the making work of the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming according to claim 5
Skill, it is characterised in that：
Graphite jig, Alloy-steel mold and the pressure head and steel body prepare, the die head that low-temperature and low-pressure sintering is selected, according to
Design requirement ensures reduction carcass particle in equidistant shape, the orderly positioning arrangement mode of radial or helical form, pressure head material selection
Stainless steel or other steel alloys are processed using laser engraving method or other methods；It is in equidistant shape that pressure head tooth positions, which correspond to, radial
Or helical form ordered arrangement, ensure that each pit interior energy extruded accommodates a reduction carcass particle.
7. the making work of the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming according to claim 5
Skill, it is characterised in that：
The working lining contains cobalt, nickel, chromium, manganese, copper, tin metal powder, tungsten-carbide powder and diamond；Wherein cobalt powder, nickel powder, chromium
Powder, manganese powder respectively account for the 2%~60% of gross mass；Copper powder and glass putty respectively account for the 5%~70% of gross mass；Tungsten carbide powder accounts for gross mass
0%~60%；Diamond volume a concentration of 8%~60% used, grain size are 0.05~1.0mm；Using containing glycerine, stone
The organic solvent of wax, ethyl alcohol or ethylene glycol matches pulp material.
8. the making work of the orderly positioning reduction multigroup zigzag diamond bit of carcass self-forming according to claim 5
Skill, it is characterised in that：
Graphitiferous powder, ceramic powder and copper-tin alloy powder in the interval layer formula；Wherein graphite powder, ceramic powder respectively account for gross mass
5%~70%, copper-tin alloy powder accounts for the 20%~80% of gross mass；Using containing the organic of glycerine, paraffin, ethyl alcohol or ethylene glycol
Solvent matches pulp material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361422.XA CN108612483A (en) | 2018-04-20 | 2018-04-20 | The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810361422.XA CN108612483A (en) | 2018-04-20 | 2018-04-20 | The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108612483A true CN108612483A (en) | 2018-10-02 |
Family
ID=63660673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810361422.XA Pending CN108612483A (en) | 2018-04-20 | 2018-04-20 | The orderly multigroup zigzag diamond bit of positioning reduction carcass self-forming and its manufacture craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612483A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073942A (en) * | 2021-03-19 | 2021-07-06 | 中南大学 | Drill bit for drilling |
| CN113756724A (en) * | 2021-09-02 | 2021-12-07 | 长沙锐合钻石工具有限公司 | Block type diamond bit for geological exploration and manufacturing process |
| CN116652190A (en) * | 2023-07-28 | 2023-08-29 | 金石钻探(唐山)股份有限公司 | Novel die for diamond drill bit and manufacturing method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073942A (en) * | 2021-03-19 | 2021-07-06 | 中南大学 | Drill bit for drilling |
| CN113756724A (en) * | 2021-09-02 | 2021-12-07 | 长沙锐合钻石工具有限公司 | Block type diamond bit for geological exploration and manufacturing process |
| CN113756724B (en) * | 2021-09-02 | 2024-01-26 | 长沙锐合钻石工具有限公司 | Block type diamond drill bit for geological exploration and manufacturing process |
| CN116652190A (en) * | 2023-07-28 | 2023-08-29 | 金石钻探(唐山)股份有限公司 | Novel die for diamond drill bit and manufacturing method |
| CN116652190B (en) * | 2023-07-28 | 2023-10-03 | 金石钻探(唐山)股份有限公司 | Novel die for diamond drill bit and manufacturing method |
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