CN113399692A - Composite micro-textured superhard cutter - Google Patents
Composite micro-textured superhard cutter Download PDFInfo
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- CN113399692A CN113399692A CN202110668060.0A CN202110668060A CN113399692A CN 113399692 A CN113399692 A CN 113399692A CN 202110668060 A CN202110668060 A CN 202110668060A CN 113399692 A CN113399692 A CN 113399692A
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- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims abstract description 45
- 239000002173 cutting fluid Substances 0.000 abstract description 23
- 238000005299 abrasion Methods 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- GJNGXPDXRVXSEH-UHFFFAOYSA-N 4-chlorobenzonitrile Chemical compound ClC1=CC=C(C#N)C=C1 GJNGXPDXRVXSEH-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
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Abstract
The invention provides a composite micro-textured superhard cutter, which comprises a cutter body and a micro-textured cutter head connected to the cutter body; the micro-texture tool bit comprises a front tool face, a rear tool face and a tool nose, and a cutting edge is formed at the joint of the front tool face and the rear tool face; the front knife face is provided with a first lyophilic micro-texture, and the rear knife face is provided with a second lyophilic micro-texture. According to the invention, the first lyophilic micro-texture and the second lyophilic micro-texture which are respectively arranged on the front cutter face and the rear cutter face are used for promoting the cutting fluid to fully flow through the cutter-tool surface and the cutter-chip contact area, so that the cutter-tool surface and the cutter-chip contact area are fully lubricated and liquid drops are stored, further, the abrasion caused by cutter processing is reduced, the cutting edge is effectively protected, and the service life of the cutter is prolonged.
Description
Technical Field
The invention relates to the technical field of superhard cutters, in particular to a superhard cutter with composite microtexture.
Background
The high-speed cutting technology is the mainstream trend in the advanced manufacturing technology at present, and along with the increasing demand for processing difficult-to-process materials such as titanium alloy, aluminum alloy, high-temperature alloy and the like, the traditional high-speed cutting tool made of high-speed steel, hard alloy and coated hard alloy is used for cutting the difficult-to-process materials at high speed, so that the problems of low processing speed, low processing efficiency, serious tool abrasion and the like exist, namely the traditional high-speed cutting tool cannot realize the high-speed cutting processing of the difficult-to-process materials.
Although the existing PCD superhard cutter, PCBN superhard cutter and the like have the characteristics of high hardness, good heat conductivity and good wear resistance, and can solve the problem that the difficult-to-machine materials are difficult to cut and machine at high speed, the problem that the cutter is easy to wear when the cutter-scraps are in close contact with each other is still difficult to avoid in the use process, and the machining efficiency and the service life of the cutter are influenced.
In the existing high-speed cutting process, cutting fluid is usually used in a matched manner, so that the abrasion of a cutter is reduced. However, the surface of the existing superhard cutter has poor adsorption force on the cutting fluid, so that the cutting fluid is not in sufficient contact with the cutter, the lubricating effect of the cutting fluid cannot be fully exerted, and the machining cutter is abraded.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a superhard cutter with a composite microtexture, wherein the first lyophilic microtexture and the second lyophilic microtexture which are respectively arranged on a front cutter face and a rear cutter face are used for promoting cutting fluid to fully flow through a cutter-workpiece surface and a cutter-chip contact area, so that the cutter-workpiece surface and the cutter-chip contact area are fully lubricated and liquid drops are stored, further the abrasion caused by cutter processing is reduced, the cutting edge is effectively protected, and the service life of the cutter is prolonged.
The invention provides a composite micro-textured superhard cutter, which comprises a cutter body and a micro-textured cutter head connected to the cutter body; the micro-texture tool bit comprises a front tool face, a rear tool face and a tool nose, and a cutting edge is formed at the joint of the front tool face and the rear tool face; the front knife face is provided with a first lyophilic micro-texture, and the rear knife face is provided with a second lyophilic micro-texture.
In a preferred embodiment of the present invention, the first lyophilic microtexture includes a first micro-groove set, a side of the micro-groove set facing the cutting edge is provided with a first trapezoidal micro-groove and a first pit set, and the first trapezoidal micro-groove is communicated with the micro-groove set.
In a preferred embodiment of the present invention, the micro groove set includes a second trapezoidal micro groove and a triangular micro groove, one end of the second trapezoidal micro groove close to the cutting tip is a wide side of the second trapezoidal micro groove, one end of the second trapezoidal micro groove far from the cutting tip is a narrow side of the second trapezoidal micro groove, the triangular micro groove is located between the wide side of the second trapezoidal micro groove and the cutting tip, and the second trapezoidal micro groove is communicated with the triangular micro groove.
In a preferred embodiment of the present invention, the first trapezoidal micro groove is communicated with the second trapezoidal micro groove.
In a preferred embodiment of the present invention, the length of the first trapezoidal micro groove is 500 μm to 2000 μm, the wedge angle of the first trapezoidal micro groove is 1 °, and the depth of the first trapezoidal micro groove is 30 μm;
one end of the first trapezoidal micro groove, which is connected with the second trapezoidal micro groove, is a wide side of the first trapezoidal micro groove, and one end of the first trapezoidal micro groove, which is far away from the second trapezoidal micro groove, is a narrow side of the first trapezoidal micro groove; the length of the wide side of the first trapezoidal micro groove is 70 mu m, and the length of the narrow side of the first trapezoidal micro groove is 12.5 mu m-40 mu m.
In a preferred embodiment of the present invention, the length of the second trapezoidal micro groove is 2000 μm, the wedge angle of the second trapezoidal micro groove is 4 °, and the depth of the second trapezoidal micro groove is 30 μm;
the length of the wide side of the second trapezoidal micro groove is 300 mu m, and the length of the narrow side of the second trapezoidal micro groove is 150 mu m.
In a preferred embodiment of the present invention, the length of one side of the triangular micro groove connected to the second trapezoidal micro groove is 40 μm, and the depth of the triangular micro groove is 2000 μm.
In a preferred embodiment of the present invention, the triangular micro grooves are arranged in a plurality, the triangular micro grooves are arranged at equal intervals, and the interval between two adjacent triangular micro grooves is 20 μm to 40 μm.
In a preferred embodiment of the present invention, an included angle between the first trapezoidal micro groove and the second trapezoidal micro groove is 30 ° to 35 °.
In a preferred embodiment of the present invention, the cutting edges of the first trapezoidal micro groove located on the same side of the second trapezoidal micro groove are parallel to each other.
In a preferred embodiment of the present invention, the first trapezoidal micro grooves are disposed in a plurality, and a plurality of the first trapezoidal micro grooves located on the same side of the second trapezoidal micro groove are parallel to each other.
In a preferred embodiment of the present invention, the plurality of sets of pits are disposed, and the sets of pits are staggered with the second trapezoidal micro grooves.
In a preferred embodiment of the present invention, the pit group includes a plurality of pits, and the plurality of pits are sequentially arranged on a same straight line, where the straight line is parallel to the first trapezoidal micro groove adjacent to the straight line.
In a preferred embodiment of the present invention, the radius of the pits is 45 μm, and the depth of the pits is 30 μm.
In a preferred embodiment of the present invention, the second lyophilic microtexturing includes a second micro-groove set and a second pit set, and the second micro-groove set and the second pit set are staggered.
In a preferred embodiment of the present invention, the second micro-groove set includes a plurality of linear micro-grooves, and the linear micro-grooves and the cutting edges adjacent to the linear micro-grooves are parallel to each other.
In a preferred embodiment of the present invention, the linear micro-groove has a length of 1000 μm, a width of 30 μm, and a depth of 30 μm.
In a preferred embodiment of the present invention, the second concave pit group includes a plurality of second concave pits arranged in a rectangular array.
In a preferred embodiment of the present invention, the radius of the second pit is 15 μm, and the depth of the second pit is 30 μm.
In a preferred embodiment of the present invention, the long side of the rectangular array and the linear micro-grooves are parallel to each other.
In a preferred embodiment of the invention, the area of the first lyophilic microtexturing occupies 40% of the area of the rake face.
In a preferred embodiment of the present invention, the area of the second lyophilic microtexture is 30% of the area of the flank face.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the superhard cutter with the composite microtexture, the first lyophilic microtexture and the second lyophilic microtexture which are respectively arranged on the front cutter face and the rear cutter face are used for promoting cutting fluid to fully flow through the cutter-tool surface and the cutter-chip contact area, so that the cutter-tool surface and the cutter-chip contact area are fully lubricated and liquid drops are stored, further, abrasion caused by cutter machining is reduced, a cutting edge is effectively protected, and the service life of the cutter is prolonged.
2. In the superhard cutter with the composite micro-texture, the first lyophilic micro-texture and the second lyophilic micro-texture also have the function of increasing the heat dissipation area, so that the cutting performance of the superhard cutter is further improved.
3. The superhard cutter with the composite microtexture has wide application range, and can be widely applied to cutting machining of difficult-to-machine metal materials such as titanium alloy, aluminum alloy, high-temperature alloy and the like.
4. In the superhard cutter with composite microtexture, a tree shape is formed between a first micro-groove group and a first trapezoidal micro-groove on the front cutter surface, wherein the second trapezoidal micro-groove in the first micro-groove group is equivalent to the tree-shaped trunk, the triangular micro-groove in the first micro-groove group is equivalent to the tree-shaped root, the second trapezoidal micro-groove is equivalent to the tree-shaped branch, the cutting fluid flows from top to bottom, under the action of the surface tension of the cutting fluid drops, the cutting fluid is collected to the trunk part (the second trapezoidal micro-groove) from the branches, then leading the mixture to the tree root (triangular micro groove) through a second trapezoidal micro groove to play a strong lyophilic role, meanwhile, the first pit group further enhances the effect of the storage liquid of the first lyophilic microtexture on the force rake face, so that the cutter-chip contact area is fully lubricated, and the cutter abrasion is reduced.
5. In the first lyophilic micro-texture, the first trapezoidal micro-groove is of a trapezoidal structure, so that the surface tension of cutting fluid droplets is increased, and the flow of the droplets is promoted.
6. In the first lyophilic micro-texture, the second trapezoidal micro-groove adopts a trapezoidal structure, so that liquid drops can flow to the triangular micro-groove conveniently, the liquid drops are promoted to flow to the triangular micro-groove and stored, and the friction of a knife-scrap contact area is reduced.
7. In the superhard cutter with the composite micro-texture, the arrangement of the second lyophilic micro-texture is parallel to the cutting edge, the second lyophilic micro-texture has the function of containing and storing wear particles and cutting fluid, the cutter wear is further slowed down, and meanwhile the cutting fluid can lubricate the cutting edge along the second lyophilic micro-texture, so that the cutting edge is protected.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of a composite microtextured superhard cutter provided by an embodiment of the invention;
FIG. 2 is a schematic view of a microtextured tool tip according to an embodiment of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a right side view of FIG. 2;
the correspondence between each mark and the part name in the figure is as follows:
the tool comprises a tool body 1, a micro-texture tool bit 2, a front tool face 3, a rear tool face 4, a tool nose 5, a cutting edge 6, a first lyophilic micro-texture 7, a second lyophilic micro-texture 8, a first trapezoidal micro-groove 9, a second trapezoidal micro-groove 10, a triangular micro-groove 11, a first pit 12, a linear micro-groove 13 and a second pit 14.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
Examples
Referring to fig. 1 and 2, the embodiment discloses a composite micro-textured superhard cutter, which comprises a cutter body 1 and a micro-textured cutter head 2 connected to the cutter body 1; the micro-texture tool bit 2 comprises a front tool face 3, a rear tool face 4 and a tool nose 5, wherein a cutting edge 6 is formed at the joint of the front tool face 3 and the rear tool face 4; the front knife face 3 is provided with a first lyophilic micro-texture 7, and the rear knife face 4 is provided with a second lyophilic micro-texture 8. When the microtextured cutter head 2 in the embodiment is used specifically, the first lyophilic microtexture 7 is arranged on the front cutter face 3, so that the cutting fluid is directionally conveyed to a cutter-chip contact area under the combined action of the first lyophilic microtexture 7 on the front cutter face 3 and the surface tension of the cutting fluid, the cutter-chip contact area is sufficiently lubricated, the abrasion caused by cutter machining is reduced, and the service life of the cutter is prolonged; by arranging the second lyophilic microtexture 8 on the rear cutter face 4, wear particles and cutting fluid are stored, so that the cutter wear is further slowed down, and the cutting fluid can lubricate the cutting edge 6 along the second lyophilic microtexture 8 on the rear cutter face 4. In addition, the arrangement of the first lyophilic microtexture 7 and the second lyophilic microtexture 8 also has the effect of increasing the heat dissipation area.
The area of the first lyophilic microtexture 7 in this embodiment accounts for 40% of the area of the rake face 3. Wherein, the liquid guiding direction of the first lyophilic microtexture 7 on the rake face 3 is consistent with the flow direction of the cutting chips.
In this embodiment, the area of the second lyophilic microtexture 8 on the flank surface 4 accounts for 30% of the area of the flank surface 4. Wherein, the liquid guiding direction of the second lyophilic microtexture 8 on the back knife face 4 is parallel to the cutting edge 6.
Specifically, referring to fig. 3, the first lyophilic microtexture 7 in the embodiment includes a first micro-groove group, a first trapezoidal micro-groove 9 and a first pit group are provided on a side of the first micro-groove group facing the cutting edge 6, and the first trapezoidal micro-groove 9 is communicated with the first micro-groove group.
Referring to fig. 3, the first micro groove group includes a second trapezoidal micro groove 10 and a triangular micro groove 11, one end of the second trapezoidal micro groove 10 close to the tool tip 5 is a wide side of the second trapezoidal micro groove 10, one end of the second trapezoidal micro groove 10 far from the tool tip 5 is a narrow side of the second trapezoidal micro groove 10, the triangular micro groove 11 is located between the wide side of the second trapezoidal micro groove 10 and the tool tip 5, and the second trapezoidal micro groove 10 is communicated with the triangular micro groove 11.
Specifically, the first trapezoidal micro groove 9 communicates with the second trapezoidal micro groove 10.
Specifically, referring to fig. 3, a plurality of triangular micro grooves 11 are arranged in the present embodiment, the triangular micro grooves 11 are arranged at equal intervals, and the interval between two adjacent triangular micro grooves 11 is 20 μm to 40 μm.
Specifically, referring to fig. 3, in the present embodiment, a plurality of first trapezoidal micro grooves 9 are provided, and a plurality of first trapezoidal micro grooves 9 located on the same side of a second trapezoidal micro groove 10 are parallel to each other.
Specifically, the included angle between the first trapezoidal micro groove 9 and the second trapezoidal micro groove 10 in this embodiment is 30 ° to 35 °, and the first trapezoidal micro groove 9 and the cutting edge 6 located on the same side of the second trapezoidal micro groove 10 are parallel to each other. That is, the cutting edge 6 is parallel to the adjacent second trapezoidal micro groove 10, so that the flow of the cutting fluid follows the position of the chip, which is beneficial to reducing the abrasion of the rake face 3; the width of the first trapezoidal micro groove 9 is gradually reduced, which is beneficial to increasing the surface tension of the cutting fluid drop and promoting the flow of the drop.
Specifically, referring to fig. 3, a plurality of first pit groups are provided in the present embodiment, and the first pit groups are staggered with the second trapezoidal micro grooves 10.
Referring to fig. 3, the first pit group in this embodiment includes a plurality of first pits 12, and the plurality of first pits 12 are sequentially arranged on a straight line, where the straight line is parallel to the adjacent first trapezoidal micro-groove 9. That is, the first dimple group, the first trapezoidal micro groove 9, and the cutting edge 6 located on the same side of the first trapezoidal micro groove 9 are parallel to each other.
Specifically, referring to fig. 3, a tree shape is formed between the first micro groove group and the first trapezoidal micro groove 9 on the rake face 3, wherein the second trapezoidal micro groove 10 in the first micro groove group corresponds to a trunk of the tree shape, the triangular micro groove 11 in the first micro groove group corresponds to a root of the tree shape, the second trapezoidal micro groove 10 corresponds to a branch of the tree shape, the cutting fluid flows from top to bottom, under the action of the surface tension of the cutting fluid droplets, the cutting fluid is collected from the top of the branch (at the narrow side of the first trapezoidal micro groove 9) to the trunk (the second trapezoidal micro groove 10), and then flows through the second trapezoidal micro groove 10 (the second trapezoidal micro groove 10 serves as the trunk, the trapezoidal structure is adopted, which facilitates the droplets to flow to the triangular micro groove 11, facilitates the droplets to flow to the triangular micro groove 11 and store, and reduces the friction of the knife-chip contact area) to the root (the triangular micro groove 11), plays a strong lyophilic role, and simultaneously, the first pit group further enhances the liquid storage function of the first lyophilic micro-texture 7 on the strong rake face 3, so that the knife-chip contact area is fully lubricated, and the abrasion of the knife is reduced.
Wherein, the length of the first trapezoidal micro groove 9 in this embodiment is 500 μm to 2000 μm, the wedge angle of the first trapezoidal micro groove 9 is 1 °, and the depth of the first trapezoidal micro groove 9 is 30 μm; one end of the first trapezoidal micro groove 9, which is connected with the second trapezoidal micro groove 10, is a wide side of the first trapezoidal micro groove 9, and one end of the first trapezoidal micro groove 9, which is far away from the second trapezoidal micro groove 10, is a narrow side of the first trapezoidal micro groove 9; the length of the wide side of the first trapezoidal micro groove 9 is 70 μm, and the length of the narrow side of the first trapezoidal micro groove 9 is 12.5 μm-40 μm.
Wherein, the length of the second trapezoidal micro groove 10 in this embodiment is 2000 μm, the wedge angle of the second trapezoidal micro groove 10 is 4 °, and the depth of the second trapezoidal micro groove 10 is 30 μm; the length of the wide side of the second trapezoidal micro groove 10 is 300 μm, and the length of the narrow side of the second trapezoidal micro groove 10 is 150 μm.
In the present embodiment, the length of the side of the triangular micro groove 11 connected to the second trapezoidal micro groove 10 is 40 μm, and the depth of the triangular micro groove 11 is 2000 μm.
In this embodiment, the radius of first pits 12 is 45 μm, and the depth of first pits 12 is 30 μm.
Specifically, referring to fig. 4, the second lyophilic microtexture 8 on the flank surface 4 in the present embodiment includes a second micro groove group and a second pit group, and the second micro groove group and the second pit group are alternately arranged. The number of the second lyophilic micro-textures 8 in the embodiment is 2, and the arrangement direction of the 2 second lyophilic micro-textures 8 is consistent with the length direction of the cutting edge.
Referring to fig. 4, the second micro-groove group includes a plurality of linear micro-grooves 13, and the linear micro-grooves 13 are parallel to the cutting edges 6 adjacent to the linear micro-grooves 13. The length of the linear micro-groove 13 in this embodiment is 1000 μm, the width of the linear micro-groove 13 is 30 μm, and the depth of the linear micro-groove 13 is 30 μm.
As shown in fig. 4, the second concave pit group includes a plurality of second concave pits 14 arranged in a rectangular array. The radius of the second pits 14 in this embodiment is 15 μm, and the depth of the second pits 14 is 30 μm.
Specifically, the long sides of the rectangular array and the linear micro grooves 13 in the present embodiment are parallel to each other.
The material of the microtextured cutting head 2 in this embodiment is any one of polycrystalline diamond, single crystal diamond, chemical vapor deposition diamond, polycrystalline cubic boron nitride, ceramic, and cemented carbide, and it should be noted that the material of the microtextured cutting head 2 in this embodiment is not limited to the above selection, and those skilled in the art can reasonably select the microtextured cutting head according to the conventional technical means, common general knowledge, and the prior art in the field.
In conclusion, the superhard cutting tool with the composite micro-texture promotes the cutting fluid to fully flow through the tool-tool surface and the tool-chip contact area through the first lyophilic micro-texture 7 and the second lyophilic micro-texture 8, so that the tool-tool surface and the tool-chip contact area are fully lubricated and liquid drops are stored, further the abrasion caused by tool machining is reduced, the cutting edge 6 is effectively protected, and the service life of the cutting tool is prolonged; in addition, the first lyophilic micro-texture 7 and the second lyophilic micro-texture 8 which are respectively arranged on the front cutter face 3 and the rear cutter face 4 also have the function of increasing the heat dissipation area, so that the cutting performance of the superhard cutter is greatly improved. The cutter has wide application range and can be widely applied to cutting processing of difficult-to-process metal materials such as high-speed steel, hard alloy, coated hard alloy and the like.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (22)
1. The composite micro-textured superhard cutter comprises a cutter body and is characterized by also comprising a micro-textured cutter head connected to the cutter body;
the micro-texture tool bit comprises a front tool face, a rear tool face and a tool nose, and a cutting edge is formed at the joint of the front tool face and the rear tool face; the front knife face is provided with a first lyophilic micro-texture, and the rear knife face is provided with a second lyophilic micro-texture.
2. A composite microtextured superhard cutter according to claim 1, wherein the first lyophilic microtexture comprises a first set of microchannels, the first set of microchannels being provided on a side of the cutting edge with a first set of trapezoidally shaped microchannels and a first set of dimples, the first trapezoidally shaped microchannels being in communication with the first set of microchannels.
3. The composite microtextured superhard cutter of claim 2, wherein the first set of microchannels comprise a second trapezoidal microchannel and a triangular microchannel, the end of the second trapezoidal microchannel near the tip being a broad side of the second trapezoidal microchannel, the end of the second trapezoidal microchannel away from the tip being a narrow side of the second trapezoidal microchannel, the triangular microchannel being between the broad side of the second trapezoidal microchannel and the tip, the second trapezoidal microchannel being in communication with the triangular microchannel.
4. The composite microtextured superhard cutter of claim 3, wherein the first trapezoidal micro groove is in communication with the second trapezoidal micro groove.
5. The composite microtextured superhard cutter according to claim 3, wherein the first trapezoidal micro grooves have a length of 500 to 2000 μm, a wedge angle of 1 ° and a depth of 30 μm;
one end of the first trapezoidal micro groove, which is connected with the second trapezoidal micro groove, is a wide side of the first trapezoidal micro groove, and one end of the first trapezoidal micro groove, which is far away from the second trapezoidal micro groove, is a narrow side of the first trapezoidal micro groove; the length of the wide side of the first trapezoidal micro groove is 70 mu m, and the length of the narrow side of the first trapezoidal micro groove is 12.5 mu m-40 mu m.
6. The composite microtextured superhard cutter of claim 3, wherein the second trapezoidal micro grooves have a length of 2000 μm, a wedge angle of 4 ° and a depth of 30 μm;
the length of the wide side of the second trapezoidal micro groove is 300 mu m, and the length of the narrow side of the second trapezoidal micro groove is 150 mu m.
7. A composite microtextured superhard cutter according to claim 3, wherein the length of the side of the triangular microtrench connecting the second trapezoidal microtrench is 40 μm and the depth of the triangular microtrench is 2000 μm.
8. The composite microtextured superhard cutter according to claim 3, wherein a plurality of triangular micro grooves are arranged, the triangular micro grooves are arranged at equal intervals, and the interval between two adjacent triangular micro grooves is 20-40 μm.
9. A composite microtextured superhard cutter according to claim 3, wherein the included angle between the first trapezoidal micro groove and the second trapezoidal micro groove is 30 ° to 35 °.
10. A composite microtextured superhard cutter according to claim 3, wherein the cutting edges of the first trapezoidal microgroove on the same side of the second trapezoidal microgroove are parallel to each other.
11. The composite microtextured superhard cutter of claim 3, wherein the first trapezoidal micro grooves are provided in plurality, and a plurality of the first trapezoidal micro grooves on the same side as the second trapezoidal micro grooves are parallel to each other.
12. The composite microtextured superhard cutter of claim 11, wherein a plurality of the first pocket sets are provided, the first pocket sets alternating with the second trapezoidal micro grooves.
13. The composite microtextured superhard cutter of claim 12, wherein the first pocket set comprises a plurality of first pockets sequentially arranged in a line parallel to the first trapezoidal micro grooves adjacent to the first pocket set.
14. The composite microtextured superhard cutter of claim 13, wherein the pits have a radius of 45 μ ι η and a depth of 30 μ ι η.
15. The composite microtextured superhard cutter of claim 1, wherein the second lyophilic microtexture comprises a second set of microgrooves and a second set of dimples, the second set of microgrooves and the second set of dimples being staggered.
16. The composite microtextured superhard cutter of claim 15, wherein the second set of microchannels comprises a plurality of linear microchannels, the linear microchannels being parallel to the cutting edges adjacent thereto.
17. The composite microtextured superhard cutter of claim 16, wherein the linear microchannels have a length of 1000 μ ι η, a width of 30 μ ι η, and a depth of 30 μ ι η.
18. The composite microtextured superhard cutter of claim 16, wherein the second pocket set comprises a plurality of second pockets arranged in a rectangular array.
19. The composite microtextured superhard cutter of claim 18, wherein the radius of the second pocket is 15 μ ι η and the depth of the second pocket is 30 μ ι η.
20. The composite microtextured superhard cutter of claim 18, wherein the long sides of the rectangular array and the linear microtrenches are parallel to each other.
21. The composite microtextured superhard cutter of claim 1, wherein the area of the first lyophilic microtexture is 40% of the rake surface area.
22. The composite microtextured superhard cutter of claim 1, wherein the second lyophilic microtexture comprises 30% of the area of the relief surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110668060.0A CN113399692A (en) | 2021-06-16 | 2021-06-16 | Composite micro-textured superhard cutter |
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| CN202110668060.0A CN113399692A (en) | 2021-06-16 | 2021-06-16 | Composite micro-textured superhard cutter |
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| CN (1) | CN113399692A (en) |
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| CN115921964A (en) * | 2022-11-01 | 2023-04-07 | 南京航空航天大学 | Milling cutter and using method and manufacturing method thereof |
| CN117505905A (en) * | 2023-12-08 | 2024-02-06 | 山东大学 | Leng Wei nanometer texture cutter in self-conveying |
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| CN117505905A (en) * | 2023-12-08 | 2024-02-06 | 山东大学 | Leng Wei nanometer texture cutter in self-conveying |
| CN117505905B (en) * | 2023-12-08 | 2024-05-24 | 山东大学 | Self-conveying inner Leng Wei nano texture cutter |
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Application publication date: 20210917 |