CN1774311A - Cutting segment, method of manufacturing cutting segment, and cutting tool - Google Patents
Cutting segment, method of manufacturing cutting segment, and cutting tool Download PDFInfo
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- CN1774311A CN1774311A CN 200580000314 CN200580000314A CN1774311A CN 1774311 A CN1774311 A CN 1774311A CN 200580000314 CN200580000314 CN 200580000314 CN 200580000314 A CN200580000314 A CN 200580000314A CN 1774311 A CN1774311 A CN 1774311A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 89
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- 229910003460 diamond Inorganic materials 0.000 claims abstract description 229
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/18—Sawing tools of special type, e.g. wire saw strands, saw blades or saw wire equipped with diamonds or other abrasive particles in selected individual positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D99/00—Subject matter not provided for in other groups of this subclass
- B24D99/005—Segments of abrasive wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
- B28D1/121—Circular saw blades
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A cutting segment for a cutting tool used for cutting or drilling a brittle workpiece, such as stone, brick, concrete and asphalt, a method of manufacturing the segment and a cutting tool provided with the segment are disclosed. The segment comprises a plurality of plate-shaped metal matrix layers laminated perpendicular to a cutting surface of the segment while being parallel to a cutting direction of the segment, the plate-shaped metal matrix layers being integrally combined with each other and made of a ferrous or non-ferrous material; and diamond particle layers arranged between the plate-shaped metal matrix layers such that diamond particles can be provided in an array on the cutting surface. The segment has an excellent cutting capability, and can be made by a simplified manufacturing process, thereby remarkably reducing manufacturing costs.
Description
Technical field
The present invention relates to: be used to cut or the drilling brittle workpiece cutting tip of the cutting tool of stone, fragment of brick, concrete and pitch for example; Make the method for this blade; And the cutting tool that comprises this blade.More particularly, the present invention relates to use cutting tool that the plate-shape metal matrix replaces the powdered-metal matrix with cutting tip, the cutting tool making the method for this blade and comprise this blade.
Background technology
In order to cut or drilling brittle workpiece for example stone, fragment of brick, concrete and pitch, must provide its hardness to be higher than the abrasive material of workpiece hardness.
Artificial diamond's stone granulate, natural diamond particle, boron nitride and carbide alloy are known as abrasive material in the art, and especially in these materials artificial diamond's stone granulate most widely used general in the cutting tool field.
Diamond (being called as " diamond " below) is invented out at twentieth century the fifties, and is known as the material that a kind of its hardness is higher than any other material on earth.Because this characteristic is so be used for cutting tool, grinding knife tool etc. with diamond.
Specifically, diamond is to be widely used in cutting or the various stones of grinding for example in the building field of the stone manufacture field of marble, granite etc. and cutting or grinding xoncrete structure.
Now will be to comprising cutting tip (being also referred to as " blade " below) and comprising that the cutting tool of this cutting tip describes as the diamond particles of abrasive material.
Usually, the blade type diamond cutter comprises a plurality of blades and the steel core portion that keeps this blade, and each blade has distribution diamond particles thereon.
Fig. 1 demonstrates an example of blade type diamond cutter.
With reference to Fig. 1, this blade type diamond cutter comprises a plurality of blades 11 and 12, and these blades are fixed in the discoid steel core portion 2 and have diamond particles 5 in each blade that is randomly dispersed in blade 11 and 12.
These blades produce according to powder metallurgy process, wherein diamond particles are mixed with the metal dust that is used as matrix, then with their compactings and sintering.
As mentioned above, when diamond particles was mixed with metal dust, diamond particles was not evenly distributed among the metal dust, thereby caused the stock-removing efficiency of diamond particles to reduce and the reduction in service life.
That is to say that when mixing with diamond particles with as the metal dust of matrix, size between these particles and difference of specific gravity make and cause the uneven distribution of diamond particles among metal dust thus by the diamond particles segregation.Therefore, as shown in Figure 1, in each blade, can form the cutting surface 4 that is distributed with the cutting surface 3 of too much diamond particles or is distributed with very few diamond particles on it on it.
When diamond particles was emanated as mentioned above, not only the stock-removing efficiency of cutting tool reduced, and also reduces the service life of this cutting tool.
The technology of the problems referred to above that cause as the segregation that solves by diamond particles has proposed the pattern formation technology that makes diamond particles become predetermined pattern to distribute, and demonstrated an one example in Fig. 2.
Fig. 2 demonstrates another example of blade type diamond cutter 20, and wherein diamond particles distributes according to predetermined pattern.
With reference to Fig. 2, each blade in the blade 21 and 22 has according to predetermined pattern distribution diamond particles 5 thereon.That is to say that diamond particles 5 is evenly distributed in each blade in blade 21 and 22.
According to this pattern formation technology; replacement mixes metal dust and diamond particles, is used for diamond particles being arranged in the process on the metal dust matrix according to predetermined non-random pattern and being used for the process that the metal dust matrix is arranged on the diamond particles is made metal dust and diamond particles layered arrangement by repeating.Then this laminar product is compacted into predetermined compression member, carries out sintering afterwards, form this blade thus.
Can solve by the caused problem of the segregation of diamond particles though be used for the pattern formation technology of diamond particles, can not solve because the built in problem that uses the powdered-metal matrix to cause.
That is to say that when making blade, if use metal dust to be used for matrix, then metal dust is subjected to higher pressure during the process of compacted metal matrix.In the process of this metallic matrix of compacting,, reduced productivity ratio thus because compaction tool by metallic particles heavy wear, changes or base fracture so matrix thickness often occurs.In addition, under serious situation, the size of matrix changes, and makes these blades be of different sizes respectively, thereby causes the performance difference of diamond cutter and performance to reduce.
In addition, promptly allow to adopt identical component to produce the metal dust that is used for matrix by the whole bag of tricks, for example plate, circle, rod etc. are compared obviously high but the manufacturing cost of metal dust is with metal derby.
In addition, when making blade by powder metallurgy process, must be used in proper order mix diamond particles and metal dust process, be used for the process that the mixture compacted with diamond particles and metal dust becomes to be scheduled to the process of compression member and to be used for this compression member of sintering, thereby make production process complicated.
Summary of the invention
Technical scheme
The present invention is used for addressing the above problem, and the object of the present invention is to provide a kind of cutting tip, and it uses metallic plate to replace powdered-metal as matrix, realizes excellent cutting power, the manufacture process and the significantly reduced manufacturing cost of simplification thus.
Another object of the present invention is to provide a kind of method of making aforesaid blade.
Of the present invention also have another purpose to be to provide a kind of cutting tool that comprises aforesaid blade.
According to an aspect of the present invention, above-mentioned and other purpose can realize by a kind of cutting tip is provided, this cutting tip comprises: a plurality of plate-shape metal base layers, the cutting surface of these plate-shape metal base layers and blade vertically simultaneously with the cutting direction of blade lamination abreast, these plate-shape metal base layers mutually combine and are integral and are made by irony or nonferrous material; And layers of diamond particles, these layers of diamond particles are arranged between the plate-shape metal base layer, make diamond particles can be array and are arranged on the cutting surface.
According to another aspect of the present invention, a kind of cutting tip is provided, it comprises: a plurality of layers, each layer comprises tabular sinter layer and the plate-shape metal base layer of being made by irony or nonferrous material, this tabular sinter layer and this plate-shape metal base layer alternately are laminated in each layer in the described layer, make the cutting surface cutting direction lamination abreast of while and blade vertically of tabular sinter layer and plate-shape metal base layer and blade; And layers of diamond particles, these layers of diamond particles are arranged in the blade, make at least a portion of diamond particles can be arranged in the tabular sinter layer, and the remainder of diamond particles can be arranged in the plate-shape metal base layer, and layers of diamond particles is arranged to the diamond particles array on cutting surface simultaneously.
According to a further aspect of the invention, provide a kind of cutting tool that comprises cutting tip.
According to a further aspect of the invention, provide a kind of method of making cutting tip, this method may further comprise the steps: a) prepare the plate-shape metal matrix of being made by irony or nonferrous material; B) layers of diamond particles is arranged on the plate-shape metal matrix in these plate-shape metal matrixes; C) another metallic matrix is laminated to d on the layers of diamond particles) layers of diamond particles is arranged on described another metallic matrix; E) by repeating step a) to d) prepare laminate with predetermined thickness; And f) this laminate is heated pressurization, make the parts that constitute laminate mutually combine.
According to a further aspect of the invention, provide a kind of method of making cutting tip, this method may further comprise the steps: a) prepare the metal fabrication b that makes by the powder casting) layers of diamond particles is arranged on the metal fabrication; C) will be pressed on the layers of diamond particles by the plate-shape metal base layer that irony or nonferrous material are made; D) by repeating step a) to c) prepare laminate with predetermined thickness; And e) this laminate is heated pressurization, make the parts that constitute laminate mutually combine.
According to a further aspect of the invention, provide a kind of method of making cutting tip, this method may further comprise the steps: a) prepare a plurality of metal fabrications; B) layers of diamond particles is arranged on the metal fabrication in these metal fabrications; C) another metal fabrication is laminated on the layers of diamond particles; D) the plate-shape metal base layer that irony or nonferrous material are made is pressed on described another metal fabrication; E) by repeating step a) to d) prepare laminate with predetermined thickness; And e) this laminate is heated pressurization, make the parts that constitute laminate mutually combine.
Of the present invention also have another aspect to be to provide a kind of cutting tool that comprises the blade that is produced by said method.
Description of drawings
From the following detailed description that provides in conjunction with the accompanying drawings, will be well understood to above and other objects of the present invention, feature and other advantage more:
Fig. 1 is a schematic diagram, demonstrates an embodiment of the diamond cutter with the diamond particles on the cutting surface that is randomly dispersed in blade;
Fig. 2 is a schematic diagram, demonstrates an embodiment of the diamond cutter with the diamond particles on the cutting surface that is evenly distributed on blade;
Fig. 3 is a schematic diagram, demonstrates the embodiment according to cutting tip of the present invention;
Fig. 4 is a schematic diagram, demonstrates another embodiment according to blade of the present invention;
Fig. 5 is a schematic diagram, demonstrates another embodiment according to blade of the present invention;
Fig. 6 is a schematic diagram, demonstrates another embodiment according to blade of the present invention;
Fig. 7 is a schematic diagram, demonstrates another embodiment that also has according to blade of the present invention;
Fig. 8 is a schematic diagram, demonstrates an embodiment of arrangements of components when making according to blade of the present invention;
Fig. 9 a and 9b are schematic diagram, demonstrate other embodiment of arrangements of components when making according to blade of the present invention;
Figure 10 is a curve map, demonstrates the cutting time according to the cutting period in saw blade, and a saw blade in these saw blades comprises the blade that is produced by the present invention, and another saw blade in these saw blades comprises the blade that is produced by conventional method; And
Figure 11 A-11E is a schematic diagram, demonstrates according to blade of the present invention, finds to have recessed portion on it.
Optimal mode
Now with the present invention is described in detail.
The present invention can be applied to be used for cutting or drilling the brittle workpiece for example blade of the cutting tool of stone, fragment of brick, concrete and pitch and the cutting tool that comprises these blades.
The blade that is used for this cutting tool directly carries out the diamond particles of cutting operation and is keeping the metallic matrix of these diamond particles when being included in cutting workpiece.
Traditionally, when making blade, adopted the powdered-metal matrix.
When adopting the powdered-metal matrix to make blade, the problem of existence is, the diamond particles segregation, thus not only reduced the stock-removing efficiency of cutting tool but also reduced its service life.
In addition, when adopting the powdered-metal matrix to make blade, must be used in proper order mix diamond particles and metal dust process, be used for the process that the mixture compacted with diamond particles and metal dust becomes to be scheduled to the process of compression member and to be used for this compression member of sintering.
Therefore, when adopting the powdered-metal matrix to make blade, the problem of existence is, complicate fabrication process, and manufacturing cost increases.
The technology of the problems referred to above that cause as the segregation that is used to solve by diamond particles has proposed a kind of pattern formation technology, and this technology makes diamond particles distribute according to predetermined non-random pattern.
According to this pattern formation technology (replacing metal dust and diamond particles are mixed); prepare the metal dust and the layers of diamond particles of repetition by repeating following process; produce blade thus, this process is for being arranged in diamond particles on the metal dust matrix, the metal dust matrix is arranged on the diamond particles, these layers are compacted into predetermined compression member, this laminar product of sintering then according to predetermined non-random pattern.
Though it is this pattern formation technology can solve by the more caused problems of the segregation of diamond particles, unresolved because the problem that complicate fabrication process that use powdered-metal matrix causes and manufacturing cost increase.
Have roughly can be divided into: the first with diamond particles disposed thereon of (1) metallic matrix according to predetermined pattern distribution diamond particles thereon to ledger-plate; And the second portion of not arranging diamond particles of (2) metallic matrix.
Theme of the present invention relates to by use the plate-shape metal matrix to replace the powdered-metal matrix to form the second portion (promptly not arranging that part of diamond particles) of metallic matrix at the beginning from process.
If use the plate-shape metal matrix to make blade at the very start from process, then not only diamond particles does not equally have the distribution of segregation ground as expected, and can simplify manufacture process and manufacturing cost is minimized.
The present invention is described in detail now with reference to these accompanying drawings.
Fig. 3 is a schematic diagram, demonstrates the embodiment according to cutting tip of the present invention.
With reference to Fig. 3, the cutting surface that cutting tip 100 according to the present invention comprises a plurality of and blade vertically and with the cutting direction of blade abreast lamination plate-shape metal base layer 101 and according to making diamond particles can become the mode that is arranged in array on the cutting surface to be arranged in layers of diamond particles 102 between the metallic matrix layer 101.
Fig. 4 is a schematic diagram, demonstrates another embodiment according to blade of the present invention.
As shown in Figure 4, cutting tip 200 according to the present invention comprises a plurality of layers 201, and each layer 201 in these layers 201 comprises tabular sinter layer 201a and plate-shape metal base layer 201b.
These a plurality of layers 201 are laminated in the blade, make tabular sinter layer 201a and plate-shape metal base layer 201b alternately be arranged in the blade.
The cutting surface of tabular sinter layer 201a and plate-shape metal base layer 201b and blade vertically and with the cutting direction of blade lamination abreast.
Layers of diamond particles 202 is arranged such that: at least a portion of diamond particles 202 is arranged among the tabular sinter layer 201a, and the remainder of diamond particles 202 is arranged among the plate-shape metal base layer 201b.
Layers of diamond particles 202 is arranged such that layers of diamond particles 202 is arranged to the diamond particles array on cutting surface.
Plate-shape metal base layer 101 and 201b are preferably made by irony or nonferrous material, and more preferably are formed from steel.The representative illustration of nonferrous material has Co, Ni, Cu, Sn, Al, W etc.
According to the present invention, the plate-shape metal base layer is made by rolling stock, agglomerated material or powder pressing spare.Preferably, the plate-shape metal base layer is made by rolling stock, is perhaps made by rolling stock and a part of agglomerated material.In addition, the plate-shape metal base layer can be made by rolling stock and a part of powder pressing spare, is perhaps made by rolling stock and a part of agglomerated material and powder pressing spare.In addition, the plate-shape metal base layer can be made by agglomerated material, is perhaps made by agglomerated material and a part of powder pressing spare.Most preferably, the plate-shape metal base layer is made by rolling stock.
Rolling stock for example can be hot rolled steel plate or cold-rolled steel sheet.
Usually, with powder and powder pressing spare during with the diamond particles sintering, sintering temperature is 1000 ℃ or littler.Therefore, in the situation that the plate-shape metal base layer is made by powder pressing spare, because sintering temperature is 1000 ℃ or littler, so in the selection of powder pressing spare, there is restriction.But, in the situation that the plate-shape metal base layer is made by rolling stock or agglomerated material, selecting according to sintering temperature aspect the material without any restriction.
In blade of the present invention, the thickness of plate-shape metal base layer can be according to the change in size of diamond particles, and preferably the thickness of plate-shape metal layer is the twice of the thickness of layers of diamond particles to the maximum.
Simultaneously, when the tabular sinter layer 201a of preparation, the gross thickness of tabular sinter layer 201a and plate-shape metal base layer preferably is defined as the twice at least of the average diameter that makes this gross thickness be not more than diamond particles.
In addition, shown in Fig. 5,6 and 7, the present invention includes cutting tip 300,400 and 800, wherein layers of diamond particles 302,402 and 802 is arranged on the outer surface.
To the method for manufacturing blade according to the present invention be described now.
Can have a plurality of blades or part according to diamond cutter of the present invention, they comprise the preceding blade that is furnished with n layer diamond particles on it and wherein are furnished with n ' (the back blade of the layer of n '≤n) diamond particles wherein.Here, preceding blade and back blade are arranged such that alternately the layers of diamond particles of back blade is arranged between the layers of diamond particles of preceding blade along cutting direction.In addition, preceding blade and back blade can alternately be arranged such that: the diamond particles of back on the blade along by the diamond particles on the preceding blade in advance the piston ring land between the groove that forms on the workpiece pass through, from workpiece, these piston ring lands are removed fully thus.
The present invention can be applied to have the diamond cutter of a plurality of blades, each blade in these blades is divided into two or more parts, wherein be furnished with n layer diamond particles forwardly along cutting direction, and along cutting direction on the rear portion, be furnished with n ' layer diamond particles (n '≤n) wherein, thus anterior layers of diamond particles is arranged between the layers of diamond particles at rear portion along cutting direction respectively.In this case, can alternately form the recessed portion of desired depth by the place, two sides that is furnished with n layer diamond particles, thereby these layers of diamond particles are alternately arranged with predetermined interval at blade.In being formed with those blades of recessed portion, between the layers of diamond particles on the rear portion must be arranged in layers of diamond particles on the front portion along cutting direction.
Figure 11 A to 11E demonstrates and can be applied to the embodiment that is divided into the blade of two or more parts of the present invention.
Specifically, Figure 11 A demonstrates the blade that is divided into two parts, wherein is furnished with three layers of diamond particles forwardly along cutting direction, and is furnished with two-layer diamond particles on the rear portion.Shown in Figure 11 A, the layers of diamond particles 141d at rear portion and 141e arrange between fore layers of diamond particles 141a, 141b and the 141c along cutting direction.
Figure 11 B demonstrates blade 21, and it has anterior 211 and rear portion 212, forwardly 211 and above the rear portion 212 along cutting direction forwardly or place, the both sides at rear portion alternately be formed with recessed portion.Shown in Figure 11 B, blade 21 has the front portion 211 that has three layers of layers of diamond particles 211a disposed thereon, 211b and 211c and has the rear portion 212 of three layers of layers of diamond particles 212a disposed thereon, 212b and 212c, thereby between three layers of layers of diamond particles 211a, 211b forwardly on 211 and 211c be arranged in three layers of layers of diamond particles 212a, 212b and 212c on the rear portion 212 along cutting direction respectively.
Figure 11 C demonstrates the blade 22 of (a plurality of) the sub-portion that has two or more, wherein locate alternately to be formed with recessed portion in the both sides (at place, side) of this blade along cutting direction, thereby these recessed portions can repeat to be formed on the blade, the multi-layer diamond particle alternately can be arranged in wherein like this.Shown in Figure 11 C, blade 21 has: front portion 221, and this front portion 221 comprises preceding sub-portion 2211 that has three layers of layers of diamond particles 221a disposed thereon, 221b and 221c and the back sub-portion 2212 that has three layers of layers of diamond particles 221d disposed thereon, 221e and 221f; And rear portion 222, this rear portion 222 comprise the preceding sub-portion 2221 that has three layers of layers of diamond particles 221g disposed thereon, 221h and 221i ' and have the back sub-portion 2222 of three layers of layers of diamond particles 221j disposed thereon, 221k and 221l '.Here, three layers of layers of diamond particles 221a, 221b and 221c can be arranged between three layers of layers of diamond particles 221d, 221e and the 221f along cutting direction respectively, and three layers of layers of diamond particles 221g, 221h and 221i can be arranged between three layers of layers of diamond particles 221j, 221k and the 221l along cutting direction respectively.
Figure 11 D and 11E demonstrate has the embodiment that is arranged to the blade of the diamond particles of the side adjacency of blade.
Being formed with the degree of depth of the part of recessed portion, the length of part that is formed with recessed portion and the quantity of recessed portion can suitably change according to the size of blade, the content of diamond particles and the size of diamond particles.In addition, can alternately be provided with the blade with n layer diamond particles disposed thereon and other blade according to diamond cutter of the present invention with n-1 layer diamond particles disposed thereon.Layers of diamond particles in each blade in those blades with n-1 layer diamond particles disposed thereon is arranged in along cutting direction respectively between the layers of diamond particles in each blade in those blades with n layer diamond particles.
The present invention is characterized in that, in diamond cutter with diamond particles of arranging as mentioned above, diamond particles becomes predetermined inclination ground to arrange with respect to the straight line on summit in the connection of cross section or the straight line on the following summit of connection, vertically cut abreast and with cutting surface with cutting direction, thereby with the diamond particles cutting workpiece time, diamond particles is given prominence to and is evenly spaced apart mutually on the cutting surface of blade.
The step of preparation plate-shape metal matrix
In order to make, prepare the plate-shape metal matrix of making by irony or nonferrous material according to cutting tip of the present invention.The plate-shape metal matrix is preferably made of steel.The plate-shape metal matrix is prepared to has the suitable shape corresponding with the blade that will make.
In the present invention, the plate-shape metal matrix is preferably by rolling stock, agglomerated material or powder pressing spare and most preferably made by rolling stock.
Rolling stock can be hot-finished material or cold rolling material.
When using rolling stock as the plate-shape metal matrix, its density of rolling stock is near the solid density limit.Therefore, adopt rolling stock to compare with the blade of producing by compacting and sintered powder metal matrix and show excellent mechanical performance as the blade of metallic matrix.
Following table 1 demonstrates experimental result, and wherein having measured by thickness is the bending strength of the metallic matrix made of the SK85 steel plate of 0.5mm and the metallic matrix made by the Co powder.
In table 1, material 1 of the present invention is for suppressing afterwards the sample that provides with sintering by several every thickness of lamination for the SK85 steel plate of 0.5mm.Material 2 of the present invention is for suppressing the sample of producing with sintering by the prefabricated component alternatively laminated made with the SK85 steel plate with by 100%Co after together.The sample of traditional material 1 for producing by the metallic matrix compacting that will make by the 100%Co powder and sintering.
Table 1
| Test piece number (Test pc No.) | Bending strength (Kg/mm 2) |
| | 246 |
| | 199 |
| | 150 |
As shown in the table 1, when adopting tabular rolling stock as metallic matrix, material 1 of the present invention and 2 bending strength ratio adopt the bending strength of traditional material 1 of 100%Co powder much higher, and this traditional material 1 is known as and is being used for having the highest bending strength among the powder of blade.
As for the plate-shape metal matrix, the adhesive that can adopt steel, have different shape and mechanical performance, for example aluminium alloy, nickel alloy, copper alloy, brass etc.
Arrange the step of diamond particles and another plate-shape metal matrix of lamination
Mode is arranged in diamond particles on the plate-shape metal matrix in these plate-shape metal matrixes as described above.Below for arranging an example of diamond particles.
At first, to being cut on the wire netting that becomes to have blade shapes, will bore a hole by laser instrument then becomes to have each other that the metal fixture in even isolated hole is arranged on the aerosol type adhesive with the aerosol type adhesive coated.Then, the trickle diamond particles of diffusion on this metal fixture.At this moment, carry out the diffusion to these trickle diamond particles, each hole in feasible those holes that are formed on the metal fixture must receive a diamond particles.By metal fixture and wire netting are separated, thereby obtain to have the wire netting that is evenly arranged in the diamond particles on it.Be arranged on the plate-shape metal matrix in these plate-shape metal matrixes by having the wire netting that is evenly arranged in the diamond particles on it as mentioned above, thereby diamond particles can be arranged on the plate-shape metal matrix.
As the distinct methods of arranging diamond particles, the method that adhesive tape that a kind of employing has adhesive property is arranged diamond particles can be proposed.Then, another plate-shape metal matrix of lamination on the layers of diamond particles that is arranged on the plate-shape metal matrix.With the same as mentioned above lamination of a plurality of plate-shape metal matrixes, up to producing laminate with predetermined thickness.
That is to say that when adopting aforesaid wire netting, plate-shape metal matrix, the wire netting with diamond particles disposed thereon and plate-shape metal matrix repeat lamination in proper order according to this, up to the blade that obtains to have predetermined thickness.
Preferably, by the powder pressing layer is inserted in diamond particles is surrounded by the powder pressing layer.When diamond particles is surrounded by the powder pressing layer, can prevent that diamond from damaging during blade is heated.In addition, several powder pressing spares can be used, thereby the blade of diamond cutter can be come to make by the abrasiveness that changes blade according to the application of cutting tool.In addition, be used in conduction type heating and pressure method (hot pressed sintering), protecting diamond particles at the powder pressing layer between the matrix.The powder pressing layer preferably inserts with plate-shape metal prefabricated component form.
Each metal fabrication in these metal fabrications can produce by flow casting molding method etc.This metal fabrication preferably comprises the adhesive of about 10～40wt%.Can insert metal fabrication as the metal fabrication layer.The thickness of single metal prefabricated component can change according to the amount of binder of adding.This is due to the following facts: that as long as metal fabrication has enough thickness, then this metal fabrication can be used for protecting diamond particles.
In order to change abrasiveness by the component that changes the metal dust that constitutes metal fabrication, this metal fabrication must have bigger thickness after sintering.But even in this case, the thickness of metal fabrication after sintering also preferably is lower than the average diameter of diamond particles.
This metal fabrication includes organic compounds or inorganic compound and mixes with metal dust, and can comprise diamond particles and filler (as the abrasive material with high rigidity).
As mentioned above, when using metal fabrication, this blade can produce with plate-shape metal matrix and metal fabrication, the process that therefore needn't be used for mixed metal powder, granulation and be shaped.Therefore, compare with conventional method, this blade can produce easilier.
These plate-shape metal prefabricated components can be arranged on place, upper and lower or disposed thereon or the place, bottom of layers of diamond particles simultaneously.
Fig. 8 demonstrates an embodiment of this blade, and wherein the plate-shape metal prefabricated component is positioned at the place, upper and lower of layers of diamond particles, and adopts rolling stock as the plate-shape metal matrix.As shown in Figure 8, metal fabrication 503 is arranged on the upside and downside of layers of diamond particles 502.In addition, plate-shape metal base layer 501 is separately positioned on the upside of the metal fabrication 503 on the upside that is positioned at layers of diamond particles 502 and is set in place on the downside of another metal fabrication 503 below the downside of layers of diamond particles 502.
Can add filler (as abrasive material) to metal fabrication, increase wearability thus with high rigidity.The example of filler comprises by two or more particles with high-wearing feature for example SiC, WC, BN, Al
2O
3Single particle or compound of planting.
In addition, in the present invention, can use the metal fabrication that comprises diamond particles.
A plurality of plate-shape metal matrixes and metal fabrication as mentioned above lamination up to preparing laminate with predetermined thickness.That is to say that when using aforesaid wire netting, plate-shape metal matrix, metal fabrication and wire netting with diamond particles disposed thereon are according to the following lamination of order repeatedly: a) plate-shape metal matrix; B) metal fabrication; C) has the wire netting of diamond particles disposed thereon; And d) metal fabrication has predetermined thickness up to blade.
As mentioned above, in the present invention, diamond particles is being arranged on the single metal prefabricated component with after constituting layers of diamond particles, can be on layers of diamond particles with plate-shape metal matrix contact laminating, and in this case, when using wire netting as mentioned above, plate-shape metal matrix, metal fabrication and wire netting with diamond particles disposed thereon are according to the following lamination of order repeatedly: a) plate-shape metal matrix; B) metal fabrication; And c) has the wire netting of diamond particles disposed thereon, have predetermined thickness up to blade.
In addition, in the present invention, can use the metal fabrication that comprises diamond particles, and in this case, plate-shape metal matrix and metal fabrication force together according to the sequential layer repeatedly of plate-shape metal matrix and metal fabrication.
With reference to Fig. 9 a that demonstrates according to an embodiment of blade 600 of the present invention, in arrangements of components shown in Figure 8, layers of diamond particles 602 is separately positioned on the sinter layer of being made by metal fabrication up and down 603.Then, each all is that the 601a of metallic matrix up and down of the sinter layer made by powder pressing spare is separately positioned on the layers of diamond particles 602, and the second metallic particles layer that will add is separately positioned on up and down on the metallic matrix 601a.Subsequently, will be separately positioned on second layers of diamond particles 602 by other sinter layer 603 that metal fabrication is made.In this embodiment, metallic matrix 601b is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material in each in the interior metallic matrix 601b between the metallic matrix 601a up and down.
With reference to Fig. 9 b that demonstrates according to another embodiment of blade 700 of the present invention, in arrangements of components shown in Figure 8, the sinter layer made by metal fabrication respectively of metallic matrix 701a 703 surrounds up and down, and directly contacts layers of diamond particles 702 respectively at the interior metallic matrix 701b between the metallic matrix 701a up and down.In this embodiment, metallic matrix 701a is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material up and down, and interior metallic matrix 701b is made by powder pressing spare.
Be understandable that from above cutting tip according to the present invention comprises a plurality of adamantine layers that contain, these at least some layers that contain in the adamantine layer are separated by the plate-shape metal layer.These contain in the adamantine layer each and contain adamantine layer and be arranged between (1) two metal fabrication, (2) two sintering metal matrixes or (3) metal fabrication and the sintering metal matrix.Outermost layer/the surface of each blade is made of metal fabrication usually.
Metal fabrication is the product that is known in the art, and it is by constituting with the combine metal dust of compacting of adhesive and/or filler.The sintering metal base layer is made of irony or nonferrous metal, can be steel, comprises cold-rolled steel and hot-rolled steel, but also can be forging metal (for example, steel) layer.
In another embodiment, blade can comprise flanging zone as shown in figure 11.According to this embodiment, the equally preparation as described below of this blade, except after described a plurality of layers are set together but before final heating steps, a plurality of parts of blade are with respect to the other parts flanging or push to produce final products as shown in figure 11 the wherein A of first of blade and second portion B biasing.This flanging bias structure causes the layout of diamond layer, thus horizontal diamond layer in the A of first and the horizontal diamond layer vertical off setting in second portion B.
The step of heating and pressure level casting die
Laminate is heated and pressurizes, make the parts that constitute laminate mutually combine, form this blade thus.Different with powder pressing spare because the plate-shape metal matrix has relative density near 100%, heat and pressurization so that the plate-shape metal matrix bond is in the same place.Therefore, needn't have and the common identical condition of those conditions of sintering.
Provide energy in conjunction with temperature with in conjunction with pressure, this energy makes the lip-deep metallic element of the plate-shape metal matrix in a layer combine with the lip-deep metallic element of plate-shape metal matrix in different layers.Powder pressing spare needs big energy so that the metal dust of its size from several microns to tens microns combined.
With common sintering temperature and 350kg/cm at 700～1000 ℃
2Sintering pressure under the sintering that carried out 5 minutes compare, in the present invention metallic plate can be at low temperature more, more mutually combine under low-pressure and the less time.Be used in conjunction with the condition of these plate-shape metal matrixes not only according to the kind of plate-shape metal matrix but also change according to the surface condition of metallic matrix.
When using rolling stock as the plate-shape metal matrix, because the melt temperature of rolling stock reduces and sull or foreign matter have been removed in the surface of plate-shape metal matrix, thus reduced in conjunction with temperature and pressure, and reduced the time that is used for combination.
When between the plate-shape metal matrix, inserting metal fabrication or adopting powder pressing spare, temperature and pressure must be remained on and can the metal dust that constitute metal fabrication and powder pressing spare be carried out in the scope of sintering as the plate-shape metal matrix.
Under the situation of arranging layers of diamond particles, the some parts of diamond particles is embedded in cohesive process in the plate-shape metal matrix.
When adopting rolling stock, determine in conjunction with pressure according to plate-shape metal matrix yield strength at high temperature as metallic matrix.For example, along with increasing in conjunction with temperature, the yield strength of plate-shape metal matrix reduces, thereby causes in conjunction with pressure with respect to the reduction that is inversely proportional in conjunction with temperature.
When using hot rolling or hot-rolled steel as the plate-shape metal matrix, the yield strength of steel and temperature reduce inversely continuously.At last, steel is reduced to half of at room temperature yield strength 500 ℃ of yield strengths of locating, and most of steel 800 ℃ down its yield strengths be 50N/mm
2Have been found that diamond particles is at 350kg/cm under 800 ℃ or higher temperature
2In conjunction with fully being embedded in the plate-shape metal matrix under the pressure.
As mentioned above, when laminate being heated and pressurizes, if insertion metal fabrication, then diamond particles be embedded in the metal fabrication or be embedded into metal fabrication simultaneously and the plate-shape metal matrix in, and under the situation of not inserting metal fabrication, then diamond particles is embedded in the metallic matrix.
Simultaneously, the invention provides the cutting tool that comprises the blade of making as mentioned above.
The present invention is described in detail with reference to these embodiment below.
In order to study cutting power and service life according to cutting tool of the present invention, carry out cutting test to the saw blade (material 3 of the present invention) that goes out constructed in accordance with according to the another kind of saw blade (traditional material 2) that conventional method produces, and in as following table 2, demonstrate result of the test.
In table 2, material 3 of the present invention is to be arranged in two metal fabrications of being made by 100%Co between these steel plates after laminated together and the adhesive tape that will have a diamond particles of even layout is arranged between these metal fabrications and produces by the SK85 steel plate that is 0.5mm with four every thickness.Traditional material 2 is by producing diamond particles and metal dust mixing.
The MBS955 of employed diamond particles in embodiment 1 for obtaining from the GE company of the U.S..
Under 950 ℃ sintering temperature, carried out sintering 5 minutes by hot pressing.
For cutting test, it is in 14 inches the steel core portion that 24 blades that will produce as mentioned above by laser weld are installed in length, and respectively by cutting concrete, granite with washed concrete (washed concrete) and carry out cutting test.
Employed in test saw blade is 14 inches type bench saws being made by EDCO company, and revolutions per minute RPM is 3500.
It is of a size of each blade in these blades: diameter is that 40mm, width are that 8.2mm and thickness are 3.2mm.
Table 2
| Test piece number (Test pc No.) | Base shape | Cutting feed speed (cm 2/min) | ||
| Concrete | Granite | Washed | ||
| Material | ||||
| 3 of the present invention | The plate-shape metal matrix | 829 | 577 | 745 |
| | Powder | 756 | 461 | 464 |
As shown in table 2, be understandable that the material of the present invention 3 that goes out constructed in accordance is compared with the traditional material 2 that produces according to conventional method has excellent cutting power.
By using the saw blade made by material of the present invention 3 and the traditional material 2 of embodiment 1 to carry out the variation that cutting test research is depended on the cutting time of cutting period washing on the concrete (washed concrete), and in Figure 10, demonstrate result of the test.
Term " cutting time " refers to saw blade required time of cutting at one time workpiece in cutting operation.Term " cutting at one time " refers to, and is the workpiece cutting at one time desired depth of 30cm to length.
As shown in figure 10, be understandable that, compare that the saw blade of material 3 of the present invention has cutting time still less, more stable cutting time trend and more uniform ability with the saw blade of traditional material 2.
Apparent from above-mentioned explanation; according to the present invention; its advantageous effects is; owing to when making cutting tip, use the plate-shape metal matrix to replace the powder matrix; so manufacturing cost reduces, thereby cause product cost to reduce, and can save the process of mixed metal powder, granulation and shaping; thereby simplified manufacture process, significantly improved productivity ratio thus.
In addition, its advantageous effects is owing to when making blade, use the plate-shape metal matrix to replace the powder matrix, so diamond particles can distribute equably, thereby this blade is in excellence aspect cutting power and service life.
It should be understood that aforesaid these embodiments and accompanying drawing are used to illustrate, and the present invention is defined by the following claims just.In addition, what those skilled in the art will appreciate that is under the situation that does not break away from the scope and spirit of illustrating as claims of the present invention various improvement, interpolation and replacement to be arranged.
Claims (54)
1. cutting tip comprises:
A plurality of plate-shape metal layers, the cutting surface of these plate-shape metal layers and blade vertically are provided with the cutting direction of blade simultaneously abreast; And
Layers of diamond particles, these layers of diamond particles are arranged between the plate-shape metal base layer, make diamond particles be arranged in arrays on the cutting surface of described blade.
2. blade as claimed in claim 1, each its thickness of plate-shape metal layer in the wherein said plate-shape metal layer is not more than the twice of the average diameter of diamond particles.
3. blade as claimed in claim 1 or 2, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the material that is selected from following group, and this group comprises steel, aluminium alloy, nickel alloy, copper alloy and brass.
4. blade as claimed in claim 1 or 2, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
5. blade as claimed in claim 4, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
6. blade as claimed in claim 3, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
7. blade as claimed in claim 6, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
8. blade as claimed in claim 4, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
9. blade as claimed in claim 5, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
10. as claim 6 or 7 described blades, wherein said rolling stock is hot rolled steel plate or cold-rolled steel sheet.
11. a cutting tip comprises:
A plurality of layers, each layer in these layers comprises tabular sinter layer and plate-shape metal layer, this tabular sinter layer and this plate-shape metal layer alternately are provided with, and make the cutting surface of tabular sinter layer and plate-shape metal layer and blade vertically and with the cutting direction of blade be provided with abreast; And
Layers of diamond particles, arrange these layers of diamond particles, make at least a portion of diamond particles be arranged in the metal sintering layer, and the remainder of diamond particles is arranged in the plate-shape metal layer, layers of diamond particles is arranged to the diamond particles array on cutting surface simultaneously.
12. cutting tip as claimed in claim 11, the thickness that each the plate-shape metal layer in the wherein said plate-shape metal layer has makes the thickness of this plate-shape metal layer be the twice of the thickness of layers of diamond particles to the maximum.
13. as claim 11 or 12 described cutting tips, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the material that is selected from following group, this group comprises steel, aluminium alloy, nickel alloy, copper alloy and brass.
14. as claim 11 or 12 described cutting tips, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
15. cutting tip as claimed in claim 14, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
16. cutting tip as claimed in claim 13, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
17. cutting tip as claimed in claim 16, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
18. cutting tip as claimed in claim 14, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
19. cutting tip as claimed in claim 15, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
20. as claim 16 or 17 described cutting tips, wherein said rolling stock is hot rolled steel plate or cold-rolled steel sheet.
21. as claim 1 or 11 described blades, this blade comprises front portion with n layer diamond particles and has the rear portion of n ' layer diamond particles, n '≤n wherein, and
Wherein front and rear alternately is arranged in the blade, makes the layers of diamond particles on the rear portion is arranged in layers of diamond particles on the front portion along cutting direction between.
22. blade as claimed in claim 21, the layers of diamond particles in wherein respectively will be forwardly by forming recessed portion along cutting direction on two sides of blade are arranged between the layers of diamond particles in the rear portion.
23. blade as claimed in claim 21, wherein the front portion of diamond particles is spaced apart from each other than the thickness distance little or that equate with it at each rear portion of diamond particles.
24. blade as claimed in claim 21 also comprises the filler that is distributed in the part place that does not form layers of diamond particles in the blade.
25. blade as claimed in claim 24, wherein said filler are selected from following group, this group comprises SiC, WC, BN, Al
2O
3, diamond particles and their mixture.
26. blade as claimed in claim 24, wherein said filler are diamond particles, and as filler add in the blade its content of diamond particles in blade, be used for cutting operation diamond particles content 10～60%.
27. a method of making cutting tip may further comprise the steps:
A) layers of diamond particles is arranged on the plate-shape metal layer that constitutes by irony or nonferrous material;
B) be pressed in second plate-shape metal on the layers of diamond particles layer by layer;
C) another layers of diamond particles is arranged on the second plate-shape metal layer;
D) by repeating step a) to c) prepare laminate with predetermined thickness; And
E) laminate is heated pressurization, make the parts that constitute this laminate be bonded to each other.
28. method as claimed in claim 27, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the material that is selected from following group, and this group comprises steel, aluminium alloy, nickel alloy, copper alloy and brass.
29. as claim 27 or 28 described methods, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
30. method as claimed in claim 28, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
31. method as claimed in claim 29, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
32. method as claimed in claim 30, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
33. a method of making cutting tip may further comprise the steps:
A) layers of diamond particles is arranged on the metal fabrication;
B) will be pressed on the layers of diamond particles layer by layer by the plate-shape metal that irony or nonferrous material are made;
C) by repeating step a) to b) prepare laminate with predetermined thickness; And
D) laminate is heated pressurization, thereby the parts that constitute this laminate are bonded to each other.
34. method as claimed in claim 33, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the material that is selected from following group, and this group comprises steel, aluminium alloy, nickel alloy, copper alloy and brass.
35. as claim 33 or 34 described methods, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
36. method as claimed in claim 35, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
37. method as claimed in claim 35, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
38. method as claimed in claim 36, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
39. a method of making cutting tip may further comprise the steps:
A) diamond particles is layered arrangement on first metal fabrication;
B) second metal fabrication is laminated on the layers of diamond particles;
C) will be pressed in layer by layer by the plate-shape metal that irony or nonferrous material are made on second metal fabrication;
D) by repeating step a) to c) prepare laminate with predetermined thickness; And
E) laminate is heated pressurization, thereby the parts that constitute this laminate are bonded to each other.
40. method as claimed in claim 39, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the material that is selected from following group, and this group comprises steel, aluminium alloy, nickel alloy, copper alloy and brass.
41. as claim 39 or 40 described methods, each the plate-shape metal layer in the wherein said plate-shape metal layer is made by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
42. method as claimed in claim 41, each the plate-shape metal layer in the wherein said plate-shape metal layer is made with a part of compacted powder metal spare by the combination of rolling stock, agglomerated material or rolling stock and agglomerated material.
43. method as claimed in claim 41, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
44. method as claimed in claim 42, wherein said rolling stock are hot rolled steel plate or cold-rolled steel sheet.
45. a method of making cutting tip may further comprise the steps:
A) prepare the laminated multi-layer product, this laminated multi-layer product comprises:
A plurality of layers of diamond particles;
A plurality of metal fabrication layers;
At least one plate sintering metal base layer; And
At least one plate-shape metal layer, each layers of diamond particles in the wherein said layers of diamond particles be arranged between two metal fabrication layers, between two sintering metal base layers or between metal fabrication layer and sintering metal base layer; And
B) this laminated multi-layer product is heated pressurization, thereby the parts that constitute this laminate product are bonded to each other.
46. method as claimed in claim 45, the outermost layer of wherein said laminated multi-layer product is made of the metal fabrication layer.
47. method as claimed in claim 45, each the plate-shape metal layer in the wherein said plate-shape metal layer is arranged between two metal fabrication layers.
48. a method of making cutting tip may further comprise the steps:
A) prepare the laminated multi-layer product, this laminated multi-layer product comprises:
A plurality of layers of diamond particles;
A plurality of metal fabrication layers; And
At least one plate-shape metal layer, each layers of diamond particles in the wherein said layers of diamond particles are arranged between two metal fabrication layers; And
B) this laminated multi-layer product is heated pressurization, thereby the parts that constitute this laminate product are bonded to each other.
49. method as claimed in claim 48, the outermost layer of wherein said laminated multi-layer product is made of the metal fabrication layer.
50. cutting tip of preparing according to the method for each claim in the claim 27,33,39,40 and 48.
51. one kind comprises the cutting tool as the described cutting tip of each claim in the claim 1,11 and 21.
52. cutting tool that comprises the cutting tip that the method by each claim in the claim 27,33,39,40 and 48 produces.
53. cutting tip as claimed in claim 1, wherein said diamond particles is arranged according to non-random pattern.
54. as the described method of each claim in the claim 27,33,39,45 and 48, wherein said layers of diamond particles is made of a plurality of diamond particles of arranging according to non-random pattern.
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| KR1020040027539 | 2004-04-21 | ||
| KR20040027539 | 2004-04-21 | ||
| KR1020040085837 | 2004-10-26 |
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| CN1774311A true CN1774311A (en) | 2006-05-17 |
| CN100381240C CN100381240C (en) | 2008-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800003140A Expired - Fee Related CN100381240C (en) | 2004-04-21 | 2005-02-07 | Cutting segment, method of manufacturing cutting segment, and cutting tool |
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| Country | Link |
|---|---|
| JP (1) | JP4756129B2 (en) |
| KR (1) | KR20050118074A (en) |
| CN (1) | CN100381240C (en) |
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| US2705194A (en) * | 1950-08-01 | 1955-03-29 | Clair John Quincy St | Diamond tools and method of making the same |
| US6039641A (en) * | 1997-04-04 | 2000-03-21 | Sung; Chien-Min | Brazed diamond tools by infiltration |
| US7124753B2 (en) * | 1997-04-04 | 2006-10-24 | Chien-Min Sung | Brazed diamond tools and methods for making the same |
| TW394723B (en) * | 1997-04-04 | 2000-06-21 | Sung Chien Min | Abrasive tools with patterned grit distribution and method of manufacture |
| JPH10296636A (en) * | 1997-04-30 | 1998-11-10 | Mitsubishi Materials Corp | Metal bond grinding wheel |
| KR100428947B1 (en) * | 2001-09-28 | 2004-04-29 | 이화다이아몬드공업 주식회사 | Diamond Tool |
-
2004
- 2004-10-26 KR KR1020040085837A patent/KR20050118074A/en active Search and Examination
-
2005
- 2005-02-07 CN CNB2005800003140A patent/CN100381240C/en not_active Expired - Fee Related
- 2005-02-07 JP JP2006516969A patent/JP4756129B2/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102390088A (en) * | 2011-09-27 | 2012-03-28 | 泉州市洛江区双阳金刚石工具有限公司 | Cutter head with orderly arranged diamonds and manufacturing method thereof |
| CN102390088B (en) * | 2011-09-27 | 2014-05-07 | 泉州市洛江区双阳金刚石工具有限公司 | Cutter head with orderly arranged diamonds and manufacturing method thereof |
| CN105792984A (en) * | 2013-05-21 | 2016-07-20 | Be4责任有限公司 | Cutting blade and method for manufacturing the same |
| CN103670285A (en) * | 2013-12-16 | 2014-03-26 | 江西坚德实业有限公司 | Efficient broad spectrum geological drill and manufacturing method thereof |
| CN103670285B (en) * | 2013-12-16 | 2016-06-01 | 江西坚德实业有限公司 | A kind of high-efficiency broad spectrum geology drill bit and manufacture method |
| CN106141604A (en) * | 2015-03-25 | 2016-11-23 | 侯家祥 | A kind of diamond cutter tooth and the method with rigid material diamond cutter tooth |
| WO2017148058A1 (en) * | 2016-03-03 | 2017-09-08 | 候家祥 | Diamond cutter tooth, diamond saw blade, and method for manufacturing diamond cutter tooth |
| WO2017148059A1 (en) * | 2016-03-03 | 2017-09-08 | 候家祥 | Diamond cutter tooth, and method for manufacturing diamond cutter tooth from rigid material |
| CN107791371A (en) * | 2016-08-31 | 2018-03-13 | 株式会社迪思科 | Metal saw |
| CN107791371B (en) * | 2016-08-31 | 2021-03-05 | 株式会社迪思科 | Metal saw |
| CN108582502A (en) * | 2018-05-07 | 2018-09-28 | 江苏锋泰工具有限公司 | Diamond saw blade and preparation method thereof |
| CN111014928A (en) * | 2019-12-04 | 2020-04-17 | 厦门理工学院 | Copper-based composite material for cutting tool, preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100381240C (en) | 2008-04-16 |
| JP4756129B2 (en) | 2011-08-24 |
| JP2006527663A (en) | 2006-12-07 |
| KR20050118074A (en) | 2005-12-15 |
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