CN110029943A - MULTILAYER COMPOSITE diamond hard alloy wear resistant parts and its manufacturing method - Google Patents
MULTILAYER COMPOSITE diamond hard alloy wear resistant parts and its manufacturing method Download PDFInfo
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- CN110029943A CN110029943A CN201910368424.6A CN201910368424A CN110029943A CN 110029943 A CN110029943 A CN 110029943A CN 201910368424 A CN201910368424 A CN 201910368424A CN 110029943 A CN110029943 A CN 110029943A
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- hard alloy
- main body
- face
- multilayer composite
- wear resistant
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- 239000000956 alloy Substances 0.000 title claims abstract description 74
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 73
- 239000010432 diamond Substances 0.000 title claims abstract description 73
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 72
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title abstract description 4
- 239000000758 substrate Substances 0.000 claims description 30
- 239000010410 layer Substances 0.000 claims description 27
- 239000011229 interlayer Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000011435 rock Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 14
- 210000000515 tooth Anatomy 0.000 description 9
- 238000005553 drilling Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910052903 pyrophyllite Inorganic materials 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- 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
- 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
- B22F7/08—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 with one or more parts not made from powder
-
- 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
- E21B10/56—Button-type inserts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Geology (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to MULTILAYER COMPOSITE diamond hard alloy wear resistant parts and its manufacturing method, which includes cylindrical main body, and main body has axis, and main body has two end faces being oppositely arranged in the axial direction, and two end faces are formed by hard alloy；MULTILAYER COMPOSITE diamond hard alloy wear resistant parts further include two synthetic diamond layers being separately positioned on two end faces, and two synthetic diamond layers include the first face and the second face being oppositely arranged；First face is identical as end surface shape size and is fixedly connected with being superimposed with each other；Second face has the extended surface upwardly extended in the side far from main body, and extended surface leans on axial ray with far from main body.Wearing piece of the invention has uniform abrasion resistance.
Description
Technical field
The present invention relates to diamond hard alloy complex sheet fields, and in particular to MULTILAYER COMPOSITE diamond hard
Alloy wear-resisting part and its manufacturing method.
Background technique
Fixation teeth drill bit used in oil drilling can generate very big torque in drilling process, cause the brill of drill bit
It is largely restricted into speed and service life, to reduce the torque that drill bit generates in drilling process, usually installs additional
Bearing with rolling element, the torque generated when reducing drill bit drilling by rolling and the support of rolling element.Currently, usually
Using the rolling element of alloy material, but alloy material wear-resisting property is poor, service life is short, so that drilling cost is high.Therefore,
Need to develop a kind of rolling element with more high-wear resistance and shock resistance, to improve the use effect of fixed teeth drill bit
Rate and service life.
Diamond hard alloy complex sheet has higher wear-resisting property relative to individual hard alloy, if will
Diamond hard alloy complex sheet is used as rolling element, is expected to extend the service life of rolling member and meets shock resistance
Deng requirement.But existing diamond hard alloy complex sheet is mostly mono-layer diamond in conjunction with single layer alloy matrix
Structure, if using this diamond hard alloy complex sheet as rolling element, since alloy component is relative to Buddha's warrior attendant
Stone part wearability is lower, and alloy component can be worn quickly, and diamond fraction can keep preferable integrality, alloy
The entirety of composite sheet is changing to cone after part wears, it will leads to drill bit operating shake, influences drilling well work.
Summary of the invention
In view of the deficiencies of the prior art, the first object of the present invention is to provide a kind of multilayer with uniform wear resistance
Composite artificial diamond hard alloy wearing piece.
The second object of the present invention is to provide the preparation method of above-mentioned MULTILAYER COMPOSITE diamond hard alloy wear resistant parts.
The first purpose to realize the present invention, the present invention provides a kind of MULTILAYER COMPOSITE diamond hard alloy is wear-resisting
Part, including cylindrical main body, main body is equal with axis and two end faces being oppositely arranged in the axial direction, two end faces
It is formed by hard alloy；MULTILAYER COMPOSITE diamond hard alloy wear resistant parts further include two be separately positioned on two end faces
A synthetic diamond layer, two synthetic diamond layers include the first face and the second face being oppositely arranged；First face and end face shape
Shape size is identical and is fixedly connected with being superimposed with each other；Second face has the extended surface upwardly extended in the side far from main body, extends
Axial ray is leaned on far from main body in face.
Therefore the present invention is answering on the basis of existing upper end has the composite sheet of single layer synthetic diamond layer
The lower end for closing piece also increases one layer of synthetic diamond layer, obtains the wearing piece that can be applied in prospecting bit drill bit bearing.Its
Middle synthetic diamond layer is capable of providing higher hardness and wear-resisting property, and hard alloy is capable of providing higher shock resistance,
Use wearing piece of the invention as rolling element, rolling element can be improved while keeping preferable shock resistance
Wear-resisting property, the degree of wear is suitable during scrolling for the synthetic diamond layer at wearing piece both ends, solve abrasion it is unstable
Problem, to improve the service efficiency and service life of fixed teeth drill bit.
Further technical solution is that extended surface is arc surface, and the second face is all made of extended surface；Or extended surface is
Cricoid inclined-plane, the plane that the second face further includes and extended surface is connected in the end far from main body, plane are parallel to end face.
Therefore extended surface of the invention can be arc surface, be also possible to annular chamfer, be conducive to wearing piece conduct
Rolling element using when wearing piece both ends contacted with bearing other components and avoid wearing in edges and corners.
Further technical solution is that main body is all made of hard alloy substrate；Alternatively, main body is by least two hard
Alloy substrate and the diamond interlayer being arranged between two adjacent hard alloy substrates composition.Further skill
Art scheme is that main body is by two hard alloy substrates and a diamond being arranged between two hard alloy substrates
Interlayer composition.
Therefore the present invention can form the structure that hard alloy substrate both ends have synthetic diamond layer, it can also be with
Forming hard alloy substrate both ends has synthetic diamond layer and the intermediate structure for also accompanying diamond interlayer.Hard alloy
Matrix be sandwiched between diamond interlayer can further increase wearing piece hardness and uniform wear-resisting property.
Further technical solution is the height of MULTILAYER COMPOSITE diamond hard alloy wear resistant parts in the axial direction
Diameter ratio with main body is 1:(1 to 1.05).Single synthetic diamond layer height in the axial direction and main body are in axis
The ratio of height on direction is 1:(3.5 to 5.5).
Therefore the present invention further defines height and diameter proportion and synthetic diamond layer and the master of wearing piece
The height ratio of body, so that wearing piece, which has, can satisfy the wearability and shock resistance used as rolling element.
Further technical solution is that at least one tooth is provided on end face, and the first face and tooth cooperate.
Therefore tooth can also be arranged in interface of the synthetic diamond layer in conjunction with hard alloy substrate in the present invention,
The binding force that can be improved synthetic diamond layer and hard alloy substrate further increases the wearability and impact resistance of wearing piece
Can, be conducive to the service life for improving wearing piece.
The second purpose to realize the present invention, the present invention provides a kind of MULTILAYER COMPOSITE diamond hard alloy is wear-resisting
The preparation method of part, comprising the following steps: 1) resistance to according to the MULTILAYER COMPOSITE diamond hard alloy in any of the above-described scheme
Synthetic diamond micropowder powder and hard alloy substrate layering are put into cup by the structure for grinding part carries out interior assembling, obtains interior assembling
Part；2) the interior assembly is subjected to vacuum purification processing；3) auxiliary materials such as the interior assembly and pyrophyllite block are carried out
Outer assembling obtains outer assembling block；4) the outer assembling block is synthesized into composite sheet under high-temperature and high-pressure conditions；5) to the composite sheet
Mechanical or laser processing is carried out, the MULTILAYER COMPOSITE diamond hard alloy wear resistant parts are obtained.
Therefore MULTILAYER COMPOSITE diamond hard alloy wear resistant parts of the invention can be prepared by the above method
It obtains, places synthetic diamond micropowder and hard alloy substrate according to required multilayered structure, then synthesize composite sheet, operation letter
It is single.
Further technical solution is that extended surface limits molding by cup, or passes through mechanical or laser processing molding.
Therefore extended surface of the invention can be obtained using a variety of methods.For biggish extended surface, can pass through
Improve the shape of metal cup, self-assembling formation extended surface after artificial diamond powder synthesizes in metal cup.It can also be in composite sheet
It is processed to obtain after synthesis.
Detailed description of the invention
The cross-sectional view for the wearing piece first embodiment of the present invention that Fig. 1 is.
The cross-sectional view for the wearing piece second embodiment of the present invention that Fig. 2 is.
The cross-sectional view for the wearing piece 3rd embodiment of the present invention that Fig. 3 is.
The top view for the wearing piece 3rd embodiment of the present invention that Fig. 4 is.
Below in conjunction with attached drawing and specific embodiment, the present invention is described in further detail.
Specific embodiment
Wearing piece of the invention is mainly used as the rolling element of bearing used in drill bit in oil drilling.
As shown in Figure 1, wearing piece includes cylindrical main body, and the main body is by hard in the first embodiment of wearing piece
Alloy substrate 10 is constituted, and for hard alloy substrate 10 along its axis direction tool there are two end face, end face is equipped with multiple columnar tooths 11,
Columnar tooth 11 is raised to the outside of hard alloy substrate 10 relative to end face.Two end faces of hard alloy substrate 10 connect someone
Diamond layer 12 is made, synthetic diamond layer 12 and hard alloy substrate 10 form ABA structure.Synthetic diamond layer 12 includes opposite
The first face 13 and the second face 14 being arranged.First face 13 is fixedly connected with end face, and is cooperated with columnar tooth 11.Second face 14 is circle
Cambered surface.
As shown in Fig. 2, wearing piece includes cylindrical main body, and the main body is by hard in the second embodiment of wearing piece
Alloy substrate 20 is constituted, and there are two end faces along its axis direction tool for hard alloy substrate 20.Two ends of hard alloy substrate 20
Face is connected with synthetic diamond layer 21, and synthetic diamond layer 21 and hard alloy substrate 20 form ABA structure.Synthetic diamond layer
21 include the first face 22 and the second face 23 being oppositely arranged.First face 22 is fixedly connected with end face.Second face 23 includes circular slanting
Face 24 and plane 25.Inclined-plane 24 can be the inclined-plane of chamfering formation.
As shown in Figure 3 to Figure 4, in the 3rd embodiment of wearing piece, wearing piece includes cylindrical main body, the main body by
Two hard alloy substrates 30 and the diamond interlayer 31 being clipped between two hard alloy substrates 30 are constituted, main body edge
There are two end faces for its axis direction tool.Two end faces of main body are connected with synthetic diamond layer 32, synthetic diamond layer 32, hard
Alloy substrate 30 and diamond interlayer 31 form ABABA structure.Synthetic diamond layer 32 includes the first face being oppositely arranged
33 and second face 34.First face 33 is fixedly connected with end face.Second face 34 includes annular slope 35 and plane 36.
In first embodiment into 3rd embodiment, the diameter ratio of wearing piece height in the axial direction and main body is
1:(1 is to 1.05).The single height of synthetic diamond layer 12,21,32 in the axial direction and the height of main body in the axial direction
The ratio of degree is 1:(3.5 to 5.5).When using above-mentioned size, wearing piece is suitable for bearing used in drill bit in oil drilling
Rolling element, be able to bear drill bit to the torque of bearing, radial force and axial force, take into account wearability and anti-impact in all directions
Hit performance.Specifically, the height of wearing piece in the axial direction can be 13.20 ± 0.10mm, and the diameter of main body can be
13.44 ± 0.04mm, the height of single synthetic diamond layer 12,21,32 in the axial direction can be 2.0 ± 0.2mm.It is wear-resisting
Part size is smaller, and allowance control requirement is stringenter, is also beneficial to reduce the size of bearing.
The wearing piece of first embodiment to 3rd embodiment can be prepared by the following method:
1) according to the structure of wearing piece in above-described embodiment by synthetic diamond micropowder material and hard alloy substrate 10,20,
30 layerings, which are put into metal cup, carries out interior assembling, obtains interior assembling block.
2) the interior assembly is subjected to vacuum purification processing.
3) auxiliary materials such as the interior assembly and pyrophyllite block are subjected to outer assembling, obtain outer assembling block.
4) the outer assembling block is synthesized into composite sheet under high-temperature and high-pressure conditions.It is synthesized in cubic hydraulic press.
5) mechanical or laser processing is carried out to the composite sheet, it is resistance to obtains the MULTILAYER COMPOSITE diamond hard alloy
Grind part.
Wherein, inclined or curved extended surface 14,24,35 can be limited by the shape of metal cup synthesize after form, or
Person for example grinds molding by machining process, or is formed by laser cutting.
Finally it is emphasized that the above description is only a preferred embodiment of the present invention, it is not intended to restrict the invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (8)
1. MULTILAYER COMPOSITE diamond hard alloy wear resistant parts, including cylindrical main body, the main body have axis and
Two end faces being oppositely arranged on the axis direction, two end faces are formed by hard alloy, it is characterised in that:
The MULTILAYER COMPOSITE diamond hard alloy wear resistant parts further include two be separately positioned on two end faces
Synthetic diamond layer, two synthetic diamond layers include the first face and the second face being oppositely arranged；First face with
The end surface shape size is identical and connects with being superimposed with each other；Second face has to be upwardly extended in the side far from the main body
Extended surface, the extended surface is with far from the main body and close to the axis.
2. MULTILAYER COMPOSITE diamond hard alloy wear resistant parts according to claim 1, it is characterised in that:
The extended surface is arc surface, and second face is all made of the extended surface；
Alternatively, the extended surface is cricoid inclined-plane, second face further includes with the extended surface far from the main body
The plane of end connection, the plane are parallel to the end face.
3. MULTILAYER COMPOSITE diamond hard alloy wear resistant parts according to claim 1, it is characterised in that:
The main body is all made of hard alloy substrate；
Alternatively, the main body by least two hard alloy substrates and be arranged in two adjacent hard alloy substrates it
Between diamond interlayer composition.
4. MULTILAYER COMPOSITE diamond hard alloy wear resistant parts according to claim 3, it is characterised in that:
The main body is by two hard alloy substrates and an artificial gold being arranged between two hard alloy substrates
Hard rock interlayer composition.
5. MULTILAYER COMPOSITE diamond hard alloy wear resistant parts according to any one of claims 1 to 4, feature exist
In:
Height of the MULTILAYER COMPOSITE diamond hard alloy wear resistant parts on the axis direction is straight with the main body
The ratio between diameter is 1:(1 to 1.05)；Single height of the synthetic diamond layer on the axis direction and the main body are in institute
The ratio for stating the height on axis direction is 1:(3.5 to 5.5).
6. MULTILAYER COMPOSITE diamond hard alloy wear resistant parts according to any one of claims 1 to 4, feature exist
In:
The tooth of at least one is provided on the end face, first face and the tooth cooperate.
7. the preparation method of MULTILAYER COMPOSITE diamond hard alloy wear resistant parts, it is characterised in that the following steps are included:
1) according to the structure of MULTILAYER COMPOSITE diamond hard alloy wear resistant parts as claimed in any one of claims 1 to 6 by people
It makes diadust material and hard alloy substrate layering is put into cup and carries out interior assembling, obtain interior assembly；
2) the interior assembly is subjected to vacuum purification processing；
3) the interior assembly and auxiliary material are subjected to outer assembling, obtain outer assembling block；
4) the outer assembling block is synthesized into composite sheet under high-temperature and high-pressure conditions；
5) mechanical or laser processing is carried out to the composite sheet, it is wear-resisting obtains the MULTILAYER COMPOSITE diamond hard alloy
Part.
8. the preparation method of MULTILAYER COMPOSITE diamond hard alloy wear resistant parts according to claim 7, feature exist
In:
The extended surface limits molding by the cup, or passes through mechanical or laser processing molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910368424.6A CN110029943A (en) | 2019-05-05 | 2019-05-05 | MULTILAYER COMPOSITE diamond hard alloy wear resistant parts and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910368424.6A CN110029943A (en) | 2019-05-05 | 2019-05-05 | MULTILAYER COMPOSITE diamond hard alloy wear resistant parts and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110029943A true CN110029943A (en) | 2019-07-19 |
Family
ID=67241189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910368424.6A Pending CN110029943A (en) | 2019-05-05 | 2019-05-05 | MULTILAYER COMPOSITE diamond hard alloy wear resistant parts and its manufacturing method |
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| Country | Link |
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