CN117001554A - Desert beetle-rice She Fangsheng grinding wheel, production process and grinding system - Google Patents
Desert beetle-rice She Fangsheng grinding wheel, production process and grinding system Download PDFInfo
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- CN117001554A CN117001554A CN202311039159.XA CN202311039159A CN117001554A CN 117001554 A CN117001554 A CN 117001554A CN 202311039159 A CN202311039159 A CN 202311039159A CN 117001554 A CN117001554 A CN 117001554A
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- 239000011159 matrix material Substances 0.000 claims description 82
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0018—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for by electrolytic deposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/009—Tools not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a desert beetle-rice She Fangsheng grinding wheel, a production process and a grinding system, which relate to the field of grinding processing and aim at the problem that the efficiency of participation in cooling of the surface of a substrate is low due to the fact that a substrate is not adjusted by a grinding element at present.
Description
Technical Field
The invention relates to the field of grinding, in particular to a desert beetle-rice She Fangsheng grinding wheel, a production process and a grinding system.
Background
The grinding method has wide application in the field of machining, and can improve the machining precision of parts. The grinding mode is the negative rake angle processing of abrasive particles, the heat generated by removing unit materials is far greater than that of other processing modes, and a large amount of heat is generated to damage a workpiece because of the need of cooling by cooling liquid. But during grinding, air disturbance can be generated on the periphery of the grinding wheel due to high-speed rotation of the grinding wheel, and the air disturbance can prevent cooling liquid from entering a grinding area to participate in heat exchange, so that the cooling effect of the cooling liquid can not meet the requirement, and meanwhile, workpiece quality defects and grinding wheel abrasion are accelerated. In addition, the traditional grinding wheel can bounce off the cooling liquid contacting with the grinding wheel when moving at high speed, so that the cooling effect is poor, and the quality of the workpiece is reduced.
Chinese patent (application number: 201711265610.4) discloses a CVD diamond grinding wheel with an orderly microstructured surface and a preparation method thereof, wherein a layer of diamond film is deposited on the outer circumferential surface of a wheel hub of the grinding wheel, a large number of staggered and orderly arranged micro grinding units are processed on the whole outer circumferential surface of the diamond film, and the top surfaces of all the grinding units are waist-shaped. The grinding wheel can improve the effective sharpening number of the grinding wheel during grinding, the chipforming efficiency and the removal rate of surface materials, and the cutting performance.
Chinese patent (application number: 201711265544.0) discloses an orderly micro-groove structured multi-layer superhard abrasive electroplated grinding wheel and a preparation method thereof, wherein a large number of electroplated superhard abrasive layers containing multi-layer abrasive materials are orderly distributed on the outer circumference of a wheel hub of the grinding wheel, and micro grooves with the width of only tens of micrometers, the depth of hundreds of micrometers, the length of the micro grooves being equal to the thickness of the grinding wheel and the interval of hundreds of micrometers are arranged between adjacent abrasive layers. The invention is beneficial to solving the problems that the grinding wheel is blocked, the grinding fluid is difficult to enter the grinding area, adjacent grinding material layers are easy to lap and the consistency of the grinding material layer structure is poor when a plurality of layers of grinding materials are electroplated, can prevent workpieces from being burnt, improves the grinding efficiency and the service life of the grinding wheel, and ensures the grinding quality.
Chinese patent (application number: 202111532987.8) discloses a structured grinding wheel based on a combined bionic thought, which comprises bionic morphology and bionic arrangement of abrasive particle clusters. The bionic arrangement of the abrasive particle clusters is in a leaf sequence arrangement, and the arrangement has excellent uniform characteristics, so that the grinding wheel has higher grinding fluid utilization rate, good heat dissipation and less abrasive dust blockage when in grinding processing.
Chinese patent (application number: 2022107815. X) discloses a preparation method of a tool for orderly arranging abrasive particles by a mask method, which comprises the following steps: (1) laser cutting the mask; (2) mask transfer; (3) electroplating an abrasive; (4) Taking out the electroplated matrix, and tearing off the mask plate after washing off superfluous abrasive particles; the method is applicable to the abrasive particles with the diameter of 50-400 mu m, and simultaneously greatly shortens the process flow and obviously reduces the production cost.
Chinese patent (application number: 202110299919.5) discloses an electroplated grinding wheel with orderly arranged superfine abrasive particle clusters and a preparation method thereof, wherein the electroplated grinding wheel comprises the steps of mechanically processing a matrix, coating an insulating layer on the matrix of the grinding wheel, processing laser blind holes on the matrix of the grinding wheel, ultrasonically cleaning the processed grinding wheel with electroplated abrasive particles, and removing the insulating layer. The orderly arranged abrasive particle clusters with different arrangement modes are prepared. The method is beneficial to increasing the chip containing space, reducing vibration in the grinding process and improving the grinding quality.
The Chinese patent (application number: 202210706253.5) discloses a bionic desert beetle self-transportation bone micro grinding head and a preparation process thereof, wherein the bionic desert beetle self-transportation bone micro grinding head comprises a hydrophobic matrix or a matrix with a hydrophobic coating, the matrix is provided with a hydrophobic surface, and a plurality of hydrophilic abrasive particles are uniformly distributed on the hydrophobic surface; the micro grinding head is designed, so that the micro grinding head can be cooled rapidly by using the combination of hydrophilicity and hydrophobicity.
At present, aiming at the improvement of a grinding element and the improvement of the cooling effect during grinding, the bionic structure is mostly applied to the surface abrasive particles directly contacting a workpiece, but the position of a matrix is not specifically adjusted, so that the efficiency of the participation of the surface of the matrix in cooling is lower, the cooperative cooling efficiency between the matrix and the surface abrasive particles is lower, compared with a spherical grinding head, the structure of a grinding wheel working area is different from that of the spherical grinding head, the working environment is more complex, more heat can be released in the grinding process of the surface structure, and the cooling requirement during grinding of the conventional grinding wheel structure is difficult to meet.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a desert beetle-rice She Fangsheng grinding wheel, a production process and a grinding system, wherein a super-hydrophobic layer is adopted on the outer circumferential surface of a grinding wheel substrate, the super-hydrophobic layer is a bionic rice leaf surface structure, hydrophilic abrasive particle clusters of hydrophilic protrusions on the back of the bionic desert beetles are applied on the surface of the grinding wheel, the super-hydrophobic surface of the bionic structure is combined with the hydrophilic abrasive particle clusters of the bionic structure to jointly realize efficient transportation of cooling medium, the cooling medium is increased to participate in cooling, the temperature of a grinding area is effectively reduced, and the cooling requirement of grinding is met.
The first aim of the invention is to provide a desert beetle-rice She Fangsheng grinding wheel, which adopts the following scheme:
comprising the following steps:
a super-hydrophobic layer is arranged on the outer circumferential surface of the matrix;
hydrophilic abrasive particle clusters are arranged on the superhydrophobic layer on the outer circumferential surface of the matrix;
the super-hydrophobic layer comprises protruding structures arranged on the outer circumferential surface of the substrate, concave structures are formed among the protruding structures, and stepped grooves with different depths imitating the surfaces of rice leaves are distributed on the surfaces of the protruding structures and the concave structures.
Furthermore, mastoid microstructures are distributed on the surfaces of the convex structures and the concave structures.
Further, the hydrophilic abrasive particle clusters are arranged on the outer circumferential surface of the matrix in a phyllotactic manner.
Furthermore, the hydrophilic abrasive particle clusters are arranged in a staggered manner on the outer circumferential surface of the matrix.
Further, the hydrophilic abrasive particle clusters adopt oxidized diamond abrasive particles, and the hydrophilic abrasive particle clusters are electroplated on the outer circumferential surface of the matrix.
The second object of the invention is to provide a process for producing a desert beetle-rice She Fangsheng grinding wheel, comprising:
processing a substrate surface resistance-reducing microstructure pattern, scanning the substrate surface by adopting diffraction laser, and forming a stepped groove similar to the rice leaf surface on the substrate surface to obtain a superhydrophobic layer;
after the processed matrix is cleaned, abrasive particles are electroplated on the superhydrophobic layer on the outer circumferential surface of the matrix in an abrasive particle cluster mode, and hydrophilic abrasive particle clusters which are sequentially arranged are formed on the outer circumferential surface of the matrix.
Further, before plating the abrasive grains, the abrasive grains are hydrophilized, and the abrasive grains are diamond abrasive grains.
Further, a mask with holes arranged in sequence is adopted, the mask is stuck on a substrate, abrasive particles are fixed in the ground holes by using a bonding agent, the abrasive particles in each hole form hydrophilic abrasive particle clusters, the abrasive particles are preliminarily fixed in an electroplating mode, then the mask is removed, and finally electroplating thickening is carried out.
Further, the holes on the mask are in a phyllotactic arrangement or a staggered arrangement so as to correspondingly form phyllotactic arrangement hydrophilic abrasive particle clusters or staggered arrangement hydrophilic abrasive particle clusters.
A third object of the present invention is to provide a grinding system using a desert beetle-rice She Fangsheng grinding wheel, comprising:
an atomizing nozzle connected with the cooling liquid supply assembly;
the main shaft and the matrix of the desert beetle-rice She Fangsheng grinding wheel are arranged at the output end of the main shaft;
and the clamp is installed towards the main shaft and used for clamping a workpiece to be processed.
Compared with the prior art, the invention has the advantages and positive effects that:
(1) Aiming at the problem that the existing grinding element does not adjust the matrix to cause lower efficiency of the matrix surface to participate in cooling, a super-hydrophobic layer is adopted on the outer circumferential surface of the grinding wheel matrix, the super-hydrophobic layer is of a bionic rice leaf surface structure, hydrophilic raised hydrophilic abrasive particle clusters at the back of a bionic desert beetle are applied on the surface of the grinding wheel, the super-hydrophobic surface of the bionic structure is combined with the hydrophilic abrasive particle clusters of the bionic structure to jointly realize efficient transportation of cooling medium, the efficiency of the matrix to participate in cooling is improved, and therefore the grinding and cooling effects of the whole grinding wheel are improved.
(2) The super-hydrophobic surface of the bionic rice leaf is formed on the outer circumferential surface of the grinding wheel matrix, so that the movement path of the grinding fluid is increased on the surface of the grinding wheel matrix, the grinding fluid can move along the surface of the matrix, after the abrasive particles are fixed on the outer circumferential surface of the matrix, the grinding fluid can flow from the surface of the super-hydrophobic matrix to the abrasive particle cluster area, the coagulation of the grinding fluid on the hydrophilic abrasive particle cluster is accelerated, and the cooling efficiency of the cooling fluid is improved.
(3) The grinding wheel matrix with the superhydrophobic layer is combined with hydrophilic abrasive particles in clusters, when the grinding wheel is in operation, grinding fluid is in contact with the abrasive particles preferentially and is condensed preferentially at the abrasive particles, and the abrasive particles are in limited contact with a workpiece, so that the grinding fluid in the abrasive particle cluster area directly participates in cooling, and the grinding temperature is reduced; meanwhile, the grinding fluid contacting the superhydrophobic layer on the outer circumferential surface of the matrix flows to the hydrophilic abrasive particle area through the bionic rice She Wenli, so that the efficiency of the grinding fluid in cooling is improved, and the attack and reading of grinding processing are further reduced.
(4) The abrasive particles and the abrasive particle clusters are fixed on the outer circumferential surface of the matrix, the abrasive particle clusters are distributed in a leaf sequence, so that the discharge of grinding scraps is facilitated, and the orderly distributed abrasive particle clusters can improve the surface quality of a processed workpiece.
(5) The bionic grinding wheel is combined with the atomizing nozzle, the efficiency of cooling the grinding fluid is improved through the atomizing nozzle, and meanwhile, the efficiency of cooling the grinding fluid is improved through cooperation of hydrophilic abrasive particle clusters of hydrophilic bulges on the backs of the bionic desert beetles and hydrophilic and hydrophobic effects of a super-hydrophobic layer on the surface of a basal body on the surface of the bionic rice leaves.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
Fig. 1 is a schematic view of a grinding system in embodiment 3 of the present invention.
Fig. 2 is a flowchart of the preparation of the biomimetic grinding wheel in examples 1-3 of the present invention.
Fig. 3 is a schematic view of a biomimetic abrasive wheel in embodiments 1-3 of the present invention.
FIG. 4 is a schematic view of the surface of the substrate after ultrafast laser processing in examples 1-3 of the present invention.
FIG. 5 is a schematic diagram showing the microstructure of a bionic rice leaf on the surface of a substrate in examples 1 to 3 of the present invention.
Fig. 6 is a schematic diagram of a bionic mastoid microstructure on the surface of the grinding wheel in examples 1-3 of the present invention.
FIG. 7 is a schematic view showing the arrangement of abrasive grain clusters in the circumferential surface of the substrate in accordance with examples 1 to 3 of the present invention.
Fig. 8 is a schematic structural diagram of another bionic grinding wheel according to embodiments 1 to 3 of the present invention.
FIG. 9 is a schematic illustration of the surface of a substrate after laser processing in examples 1-3 of the present invention.
FIG. 10 is a schematic view showing the arrangement of abrasive particles in a staggered manner on the outer circumferential surface of the substrate in examples 1 to 3 according to the present invention.
FIG. 11 is a flowchart of the preparation of the biomimetic abrasive wheel in examples 1-3 of the present invention.
Fig. 12 is a schematic view of a grinding system in embodiment 3 of the invention.
Fig. 13 is a schematic view of the fluid and air paths of the grinding system in embodiment 3 of the present invention.
Fig. 14 is a circuit block diagram in embodiment 3 of the present invention.
Fig. 15 is a schematic structural view of the atomizing nozzle in example 3 of the present invention.
FIG. 16 is a schematic cross-sectional view of the atomizing nozzle in example 3 of the present invention.
In the figure, a 1-workbench, a 2-dynamometer, a 3-dynamometer fixing screw, a 4-information output interface, a 5-clamp, a 6-workpiece, a 7-tangential positioning screw, an 8-grinding wheel cover, a 9-bionic grinding wheel, a 10-atomizing nozzle, an 11-magnetic sucking disc, a 12-micro lubrication conveying pipeline, a 13-compressed air conveying pipeline, a 14-workpiece positioning stop block, a 15-radial positioning screw, a 16-clamp fixing screw, a 17-high-voltage wire, a 18-power supply, a 19-power supply device, a 20-fixed threaded hole, a 21-electromagnet wire channel, a 22-L-shaped needle electrode, a 23-electrode groove, a 24-liquid-gas outlet, a 25-lower nozzle, a 26-internal accelerating section and a 27-liquid-gas mixing section, 28-insulating sleeve, 29-orifice, 30-liquid injection cavity, 31-gas channel, 32-gas channel interface, 33-liquid injection channel, 34-liquid injection channel interface, 35-high voltage wire channel, 36-upper nozzle, 37-electrode plate, 38-sealing gasket, 39-gas outlet, 40-high voltage electrode wire channel, 41-ring electrode plate, 42-nozzle magnet box, 43-electromagnet, 44-positioning chuck, 45-air compressor, 46-nanofluid storage tank, 47-gas storage tank, 48-liquid pump, 49-filter, 50-pressure gauge, 51-throttle valve I, 52-turbine flowmeter I, 53-turbine flowmeter II, 54-throttle valve II, 55-pressure regulating valve I, 56-pressure regulating valve II, 57-overflow valve and 58-nano fluid recovery tank.
Detailed Description
Example 1
In an exemplary embodiment of the present invention, as shown in fig. 2-11, a desert beetle-rice She Fangsheng grinding wheel is provided.
The abrasive particles are orderly arranged on the outer surface of the grinding wheel, so that the grinding fluid can enter a grinding area, the thermal damage in the grinding process of a workpiece is slowed down, the grinding wheel is limited by the conveying performance of a grinding wheel matrix and an abrasive to the cutting fluid, the cooling effect is still difficult to meet the requirement, the abrasive particles on the surface of the matrix are improved at present, and the grinding cooling performance is improved only limitedly.
Based on the above, the embodiment provides the desert beetle-rice She Fangsheng grinding wheel, animal bionics and plant bionics are combined, the outer circumferential surface of the grinding wheel substrate adopts the hydrophobic surface of the bionic rice leaf, the abrasive particles fixed outside the grinding wheel substrate adopt the hydrophilic abrasive particles of the hydrophilic bulge at the back of the bionic desert beetle, the self-transportation of the cooling medium on the grinding wheel is realized, the cooling medium participation cooling efficiency is improved, and the grinding cooling performance is improved.
The desert beetle-rice She Fangsheng grinding wheel will be described in detail with reference to the accompanying drawings.
Referring to fig. 3, the desert beetle-rice She Fangsheng grinding wheel comprises a base body and abrasive grains fixed on the outer circumferential surface of the base body, wherein the abrasive grains are fixed on the base body in the form of abrasive grain clusters, and meanwhile, the abrasive grains are hydrophilic abrasive grains, so that hydrophilic abrasive grain clusters of hydrophilic protrusions of the backs of the bionic desert beetles are formed on the outer circumferential surface of the base body; the outer circumference of the matrix adopts the super-hydrophobic layer formed on the surface of the bionic rice leaf, and the cooling efficiency is improved under the combined action of the matrix and abrasive particles.
Through designing the matrix and the outer surface abrasive particles of the grinding wheel, the working surface is combined by the hydrophobic surface and the hydrophilic abrasive particles, so that the effects of rapid cooling and the like are achieved. The surface of a matrix of the grinding wheel is designed into a structure similar to the surface of a bionic rice leaf, hydrophilic abrasive particles which are raised hydrophilic on the back of the bionic desert beetle are applied to the surface of the grinding wheel, and the abrasive particles are uniformly distributed on the surface of the outer circumferential surface of the grinding wheel. The cooling medium is transported to the hydrophilic abrasive particle area through the hydrophobic surface to form a core for dripping, so that the cooling medium efficiency is improved, the temperature of a grinding area is effectively reduced, the thermal damage of a workpiece is reduced, and the stability of a processing surface is improved.
The super-hydrophobic layer comprises protruding structures arranged on the outer circumferential surface of the substrate, concave structures are formed among the protruding structures, and stepped grooves with different depths imitating the surfaces of rice leaves are distributed on the surfaces of the protruding structures and the concave structures.
The outer circumferential surface of the substrate is subjected to microstructure processing to obtain a substrate surface drag reduction microstructure, the processed substrate is shown in fig. 4, and then diffraction laser scanning is performed to obtain a multilayer groove. Stepped grooves similar to the surface of rice leaves with different depths are formed in the region irradiated with the femtosecond laser, as shown in fig. 5, thereby forming multi-layered grooves and micro mastoid microstructures on the outer circumferential surface of the substrate.
It can be understood that the multi-level stepped grooves and the mastoid microstructures are formed at one time by diffraction laser scanning, and then the periodic layered structure with large area is obtained by raster scanning, and the mastoid microstructures on the outer circumference of the substrate are shown in fig. 6.
The specific flow of obtaining the bionic grinding wheel 9 is shown in fig. 3, and is not described in the embodiment, so that the required substrate super-hydrophobic layer and hydrophilic abrasive particle clusters of the bionic rice leaf can be obtained.
Alternatively, abrasive grains are distributed on the outer circumferential surface of the base in the form of abrasive grain clusters, and the abrasive grain clusters are uniformly distributed on the base in a phyllotactic arrangement, as shown in fig. 7.
In other alternative embodiments, the abrasive particles are distributed on the outer circumferential surface of the base in the form of abrasive particle clusters, and in addition, the abrasive particle clusters are uniformly distributed on the base in a staggered arrangement, as shown in fig. 10. The structure of the corresponding bionic grinding wheel 9 is shown in fig. 8, and the structure of the matrix of the bionic grinding wheel 9 for obtaining the super-hydrophobic layer after laser processing is shown in fig. 9.
In this embodiment, the hydrophilic abrasive particle clusters are diamond abrasive particles subjected to oxidation treatment, and the hydrophilic abrasive particle clusters are electroplated on the outer circumferential surface of the substrate.
The abrasive particles are diamond abrasive particles, the diamond has strong oleophilic and hydrophobic characteristics, the diamond can generate hydrophilic characteristics through oxidation treatment of the diamond, so that the requirements of hydrophilic abrasive particle clusters are met, and meanwhile, the diamond is one of the most rigid substances in the nature, and the ultra-high hardness and high thermal conductivity are very suitable for grinding processing.
Example 2
In another exemplary embodiment of the present invention, as shown in fig. 2 to 11, a process for producing a sand wheel of desert beetle-rice She Fangsheng is provided.
The production process of the desert beetle-rice She Fangsheng grinding wheel comprises the following steps:
processing a substrate surface resistance-reducing microstructure pattern, scanning the substrate surface by adopting diffraction laser, and forming a stepped groove similar to the rice leaf surface on the substrate surface to obtain a superhydrophobic layer;
after the processed matrix is cleaned, abrasive particles are electroplated on the superhydrophobic layer on the outer circumferential surface of the matrix in an abrasive particle cluster mode, and hydrophilic abrasive particle clusters which are sequentially arranged are formed on the outer circumferential surface of the matrix; obtaining the desert beetle-rice She Fangsheng grinding wheel.
The desert beetle-rice She Fangsheng grinding wheel comprises a matrix and hydrophilic abrasive particle clusters, wherein the outer circumferential surface of the matrix adopts the super-hydrophobic surface of bionic rice leaves, the hydrophilic abrasive particle clusters simulate hydrophilic protrusions on the back of the desert beetles, the surface of the matrix is firstly processed into a surface with a preset drag reduction pattern by laser, and then the super-hydrophobic surface similar to the surface of the rice leaves is processed on the matrix of the grinding wheel by a femtosecond laser system by utilizing an optical diffraction principle to serve as a super-hydrophobic layer; the abrasive particles are uniformly distributed on the matrix in a set arrangement mode in an abrasive particle cluster mode by hydrophilic bulges on the backs of the abrasive particle bionic desert beetles.
The abrasive particles are diamond abrasive particles, the diamond has the characteristics of strong lipophilicity and hydrophobicity, the diamond can generate hydrophilicity through oxidation treatment, and meanwhile, the diamond is one of the most rigid substances in the nature, and the ultra-high hardness and the high thermal conductivity are very suitable for grinding processing.
Specifically, as shown in fig. 2, the preparation process of the desert beetle-rice She Fangsheng grinding wheel is as follows:
the first step: hydrophilizing the diamond abrasive particles. Diamond abrasive particles of substantially the same size and volume and similar structure are selected and then hydrophilized by immersing them in a chromic acid wash. The chromic acid soaking can roughen the surface of the diamond abrasive particles, the roughened diamond abrasive particles can be hydrophilic, and the hydrophilized diamond abrasive particles can improve the combination degree with a matrix and enhance the grinding performance.
And a second step of: and presetting a drag reduction microstructure pattern on the outer circumferential surface of the processing matrix. The pattern input computer control system utilizes ultrafast laser processing.
And a third step of: and performing superhydrophobic treatment on the surface of the grinding wheel matrix.
In the traditional mode, a hydrophobic coating is arranged on the outer circumferential surface of a matrix, the hydrophobic coating is subjected to hydrophobization through a chemical modification method, the matrix with the nickel coating is soaked in myristic acid solution, the surface energy is reduced, air can be trapped, and the hydrophobic coating with good wear resistance and good corrosion resistance is prepared.
In the embodiment, the outer circumferential surface of the substrate is processed by adopting laser, the substrate is scanned by utilizing an optical diffraction principle by adjusting different parameters of the laser, the bionic super-hydrophobic surface similar to rice leaves is processed, and the super-hydrophobic layer is processed on the outer circumferential surface of the substrate by utilizing the hydrophobic structure of the bionic rice leaf surface, so that good hydrophobicity on the outer circumferential surface of the substrate is realized.
Fourth step: the grinding wheel with the outer peripheral surface subjected to super-hydrophobic processing is subjected to pretreatment, and the grinding wheel with the hydrophobic coating is subjected to pretreatment before the pretreatment.
Fifth step: and combining the hydrophilic abrasive particle clusters with the superhydrophobic layer on the surface of the matrix. The embodiment adopts an electroplating method, so that abrasive particles can be uniformly distributed by electroplating, and nickel nodules can be effectively prevented from being generated. Hydrophilic abrasive particles are electroplated on the grinding wheel in the form of abrasive particle clusters. The complete flow chart is shown in fig. 2.
Wherein, diamond abrasive particles are hydrophilized by immersing diamond powder in 10% chromic acid washing solution concentration under stirring for 11 hours. The treated diamond exhibits hydrophilic character and less loss during plating and more complete plating.
The matrix is made of aluminum alloy material, and the aluminum alloy has lighter weight while meeting the grinding strength requirement.
Wherein, preset the processing of drag reduction microstructure pattern to the base member outer peripheral face, include:
and (3) processing the surface drag reduction microstructure, wherein the surface drag reduction microstructure is processed by ultrasonic cleaning in ethanol for 15 minutes before processing, then drying by nitrogen, inputting a processing pattern of the outer circumference surface of the substrate into a laser processing system by a computer, and performing microstructure processing on the outer circumference surface of the pretreated substrate by ultra-fast laser.
When drag reduction microstructure pattern processing is carried out, laser processing parameters are as follows: the laser wavelength is 780nm, the frequency is 1kHz, the pulse width is 240fs, the focal length is 50mm, the power is 1W, the defocusing amount is 0mm, the scanning speed is 200mm/min, the pattern spacing of the girls spread on the outer circumference surface of the matrix is d=0.25 mm, f=0.625 mm, e=0.75 mm, and the surface of the grinding wheel matrix is shown in fig. 4.
Wherein, the processing of the bionic super-hydrophobic layer of the outer circumferential surface of the matrix comprises:
the substrate was also subjected to ultrasonic cleaning in an ethanol solution for 15 minutes before processing, and then dried with nitrogen gas.
And generating a bionic rice leaf surface structure on the surface of the aluminum alloy by using an amplified titanium sapphire femtosecond laser system (spectrophysics).
The central wavelength of the laser pulse is 800nm, the size of an entrance light spot is controlled by adopting a tunable aperture, and the intensity of laser incident on the surface of a matrix is regulated by utilizing a gram-Taylor polarizer; the laser beam is focused by a convex lens with a focal length of 25.4mm and irradiates the surface of the substrate. The profile of the focused laser beam is approximately gaussian, with a diameter of about 30 μm at the focal plane.
As shown in fig. 4, in operation, the energy density of the laser at the focal point is set to f=2.8J/cm 2 The diameter of the incident light spot is set to be 12mm; and (3) carrying out raster scanning by laser, wherein the scanning interval n=70-85 μm, the surface convex structure c=0.5 mm, a=1 mm, h=7-13 μm, the scanning speed is 1mm/s, and after the laser surface is modified, carrying out ultrasonic cleaning on a sample by ethanol for 15min and drying by nitrogen flow.
The sample was then placed in a vacuum bag to prevent contamination of its surface and a multi-layer trench was obtained using a diffraction laser scanning method.
According to the principle of light diffraction, when the laser spot before entering the lens is approximately equal to the aperture of the lens, the diffraction phenomenon occurs behind the lens, and since the intensity of the diffracted laser is distributed in a stripe shape, when the laser moves at a certain speed, stepped grooves similar to the surfaces of rice leaves with different depths are formed in the area irradiated by the femtosecond laser, as shown in fig. 5. Namely, multi-layer grooves and micro mastoid microstructures on the surface of the grinding wheel matrix can be formed at one time, and then a large-area periodic layered structure is obtained through raster scanning. The mastoid microstructure of the grinding wheel matrix surface is shown in fig. 6.
Alternatively, as shown in fig. 11, a superhydrophobic coating may be formed on the grinding wheel substrate as a superhydrophobic layer.
Before electroplating abrasive particles on the matrix after processing the superhydrophobic layer, cleaning the matrix after superhydrophobic processing, wherein the cleaning process comprises the following steps:
(1) Organic solvent cleaning
And (3) placing the aluminum alloy matrix in a metal cleaning agent solution to remove oil until the aluminum alloy matrix is completely removed.
(2) Cleaning
(3) Chemical degreasing of alkaline solutions
Wax removal water or wax removal liquid produced by professional enterprises can be selected, and two solutions are provided:
sodium hydroxide (NaOH) 3g/L, sodium carbonate (Na 2 CO 3 ) 30g/L, sodium dihydrogen phosphate (Na 2 HPO 4 ) 30g/L, the temperature is controlled between 90 and 95 ℃, and the soaking is carried out for 60 seconds.
30g/L of sodium hydroxide (NaOH); sodium carbonate (Na) 2 CO 3 ) 50g/L; sodium phosphate (Na) 3 PO 4 ) 70g/L; 3-5 g/L of OP emulsifier; the temperature is 60-70 ℃; the time is 20-30 min.
(4) Cleaning
(5) Heavy metal impregnation
20g/L of ferric chloride (FeCl 3), 25ml/L of hydrogen chloride (HCl) and soaking for 15s at the temperature of 85-95 ℃.
(6) Cleaning
(7) Acid washing
Nitric acid (HNO) 3 ) Hydrofluoric acid (HF) =3:1 for 1-2 min.
(8) Zinc impregnation
Zinc sulfate heptahydrate (ZnSO) 4 ·7H 2 O)300g/L，300g/L of sodium hydroxide (NaOH) and the temperature is controlled between 15 and 30 ℃ and the soaking time is 60 to 90 seconds.
(9) Secondary acid washing
The first zincate was removed with 50% nitric acid.
(10) Cleaning
(11) Secondary zinc dipping
The secondary zinc dipping solution is the same as the primary zinc dipping solution, and the temperature is controlled between 15 and 30 ℃ after being immersed for 30 to 50 seconds.
(12) Cleaning
Preparing for electroplating.
Wherein, hydrophilic abrasive particles combines with the base member that has super hydrophobic layer through electroplating, and hydrophilic abrasive particle cluster can adopt the leaf sequence mode of arranging to distribute on the super hydrophobic layer of base member, includes:
the method is realized by adopting a mask method, and the mask method is a method suitable for orderly arranging abrasive particles in electroplating, can realize orderly arrangement of different abrasive particles, and can improve the grinding performance of a tool. A mask with array holes which are orderly arranged is processed by utilizing laser, the mask is stuck on a substrate, abrasive particle clusters are fixed in the holes by using a bonding agent, the abrasive particle clusters formed by abrasive particles in each hole are preliminarily fixed in an electroplating mode, the mask is removed, and electroplating thickening is performed. Electroplating solution composition: nickel sulfamate Ni (NH) 2 SO 3 )·4H 2 0.370 g/L; sodium chloride NaCl 15g/L; boric acid H 3 BO 3 350g/L; sodium dodecyl sulfate C 12 H 25 -OSO 3 Na 0.1g/L; 0.7g/L of primary brightening agent; 0.9g/L of secondary brightening agent; hydrophilic diamond particles with abrasive particle size of 44-150 microns. Electroplating flow: the plating solution aged for 24 hours is sonicated for 10min. Then mechanically stirring for 30min, pouring into a clean electroplating tank, continuously stirring in the electroplating process, adjusting the pH value of the plating solution to 4.0 by using 5% dilute sulfuric acid, cleaning anode nickel by using ultrasonic waves, connecting a power supply anode, placing the plating solution into the anode, cleaning a laser processed grinding wheel matrix by using ultrasonic waves for 5min, connecting a cathode, placing the grinding wheel matrix into the plating solution, and stirring at the current density of 1.8A/dm < 2 > and the stirring speed of 250rpm/min; plating solution temperature is 15 ℃, and electroplating time is 10min. The finished grinding wheel is shown in figure 3.
The distribution parameters of the abrasive particle clusters distributed in the leaf order on the outer circumferential surface of the matrix are as follows:
wherein:
the R and H-abrasive particle clusters are arranged on the coordinates of a cylindrical surface;
alpha, the leaf sequence divergence angle is the helix angle of two adjacent leaf sequence points;
h, leaf sequence coefficients;
n, the nth abrasive grain is counted from one end face of the substrate.
The abrasive particles are not continuously distributed on the cylindrical surface, but are distributed on the outer circumferential surface of the matrix in a certain regular and discrete manner, for the convenience of abrasive particle distribution and calculation, the outer circumferential surface of the matrix is unfolded as shown in fig. 7, when the diameter of the outer circumferential surface of the matrix is D and the height is H, the outer circumferential surface of the matrix is unfolded, and a coordinate system is established by taking the center of diamond abrasive particles at the bottom end of the outer circumferential surface of the matrix as an origin, and then the position expression formula of the abrasive particles is as follows:
wherein:
X i -the abscissa of the ith cluster of abrasive particles;
y i -the ordinate of the ith cluster of abrasive particles;
the number N of abrasive particle clusters on the cylindrical surface is as follows:
density N of abrasive particle clusters on cylindrical surface 1 The method comprises the following steps:
according to the embodiment, the friction-reducing pattern design is carried out on the grinding wheel matrix, and then the microstructure similar to the rice leaf surface is imitated through femtosecond laser processing, so that the grinding wheel matrix has the hydrophobic capacity similar to the rice leaf surface, and hydrophilic abrasive particles are fixed on the matrix surface in a leaf sequence arrangement mode through electroplating in a mode of abrasive particle clusters.
The self-transportation and condensation of the hydrophilic condensing cooling medium and the hydrophobic surface forming medium of the hydrophilic abrasive particle clusters improve the efficiency of the cooling medium in grinding, reduce the grinding temperature and enable the surface quality of the processed workpiece to be more stable.
In other alternative embodiments, the abrasive particles are distributed on the outer circumferential surface of the base in the form of abrasive particle clusters, and in addition, the abrasive particle clusters are uniformly distributed on the base in a staggered arrangement, as shown in fig. 10. The structure of the corresponding bionic grinding wheel 9 is shown in fig. 8, and the structure of the matrix of the bionic grinding wheel 9 for obtaining the super-hydrophobic layer after laser processing is shown in fig. 9.
Example 3
In another embodiment of the present invention, as shown in fig. 1 to 16, a grinding system using a desert beetle-rice She Fangsheng grinding wheel is provided.
Wherein, as shown in fig. 1-11, the grinding system utilized a desert beetle-rice She Fangsheng grinding wheel as in example 1, and the desert beetle-rice She Fangsheng grinding wheel could be processed by the production process as in example 2.
As shown in fig. 12, the fixture 5 is mounted on the load cell 2 through the fixture 5 fixing screw, the fixture 5 is provided with a positioning groove, the positioning groove is connected with a tangential positioning piece and a radial positioning piece, the tangential positioning piece and the radial positioning piece are combined with two adjacent side walls of the positioning groove to form a clamping part for accommodating the workpiece 6, the positioning groove is connected to the workbench 1 through the load cell 2, the load cell 2 is mounted on the workbench 1 through the load cell fixing screw 3, the relative position of the load cell 2 and the workbench 1 can be adjusted after the load cell fixing screw 3 is loosened, the load cell fixing screw 3 is fastened after the position of the load cell 2 is adjusted, and the relative position of the load cell 2 and the workbench 1 can be locked.
The dynamometer 2 is provided with an information output interface 4, and external data acquisition equipment can be continuously hit through a data line.
The tangential positioning piece adopts the tangential positioning screw 7, the radial positioning piece adopts the radial positioning screw 15 to combine with the workpiece positioning stop block 14, the tangential positioning piece can adjust the size of the clamping part along the axial direction of the tangential positioning screw 7, and the radial positioning piece can adjust the size along the axial direction of the radial positioning screw 15, so that workpieces 6 with different sizes are adapted.
The bionic grinding wheel 9 is connected to the main shaft, a grinding wheel cover 8 is arranged outside the bionic grinding wheel 9, a magnetic sucker 11 is arranged outside the grinding wheel cover 8, and a compressed air conveying pipeline 13 and a micro-lubricating conveying pipeline 12 are respectively fixed on the magnetic sucker 11. The compressed air pipeline 13 and the trace lubrication conveying pipe 12 are respectively connected into the atomizing nozzle 10, and the compressed air and the lubrication liquid are respectively input into the atomizing nozzle 10 and output to the grinding position of the bionic grinding wheel 9 through the atomizing nozzle 10.
The atomizing nozzle 10 comprises a lower nozzle 25 and an upper nozzle 36 which are in butt joint, a gas channel 31 is arranged in the upper nozzle 36 in the radial direction, a liquid injection cavity 30 positioned in the upper nozzle 36 is arranged in the gas channel 31 in the circumferential direction, an annular groove is formed in one end of the upper nozzle 36 facing the lower nozzle 25, the liquid injection cavity 30 is communicated with the annular groove through an orifice 29, an electrode plate 37 is arranged around the gas channel 31 in the annular groove, the electrode plate 37 is connected with a high-voltage wire 17, and the gas channel 31 penetrates through the annular groove and then protrudes out of the end face of the upper nozzle 36 to form a gas outlet 39.
One end of the gas channel 31, which is far away from the outlet in the axial direction, is a gas inlet, and the gas inlet is provided with a gas channel interface 31; the liquid injection cavity 30 is communicated with a liquid injection channel 33, and one end of the liquid injection channel 33, which is far away from the liquid injection cavity 30, is led out of the outer circumferential surface of the upper nozzle 36, and a liquid injection channel interface 34 is formed.
As shown in fig. 15 and 16, an insulating sleeve 28 is provided between the annular electrode plate 37 and the annular inward wall of the annular groove, and at the same time, the end face of the electrode plate 37 and the end face of the annular groove communicating with the orifice 29 are also separated by the insulating sleeve 28, so that the electrode plate 37 and the upper nozzle 36 are kept electrically isolated.
The annular groove, the gas passage 31, the electrode plate 37 and the insulating sleeve 28 are coaxially arranged, and a high-voltage wire passage 35 through which the high-voltage wire 17 passes is provided in the upper nozzle 36.
As shown in fig. 15, one end of the lower nozzle 25 facing the upper nozzle 36 is provided with a first stepped hole, a large diameter section of the first stepped hole is butted with the upper nozzle 36, and one end of the upper nozzle 36 is inserted into the large diameter section of the first stepped hole and is butted with an annular stepped surface of the first stepped hole through a sealing gasket 38; the small-diameter section of the first stepped hole comprises a liquid-gas mixing section 27 and an internal accelerating section 26 which are sequentially communicated, the liquid-gas mixing section 27 is communicated with an opening at the end of the annular groove, and a gas outlet 39 is inserted into the liquid-gas mixing section 27; the inner accelerating section 26 is a conical section, and the end far away from the liquid-gas mixing section 27 is a liquid-gas outlet 24.
The end of the lower nozzle 25 remote from the upper nozzle 36 is provided with a second stepped bore comprising a first section of relatively large diameter and a second section of relatively small diameter, the second section being in communication with the liquid-gas outlet 24.
An annular electrode disc 41 is arranged upwards in the second section, an electrode groove 23 is formed in the inner ring of the annular electrode disc 41, and an L-shaped needle electrode 22 is arranged at the end part, facing the first section, of the annular electrode disc 41; the first segment has magnets disposed upwardly in an inner ring thereof forming a nozzle cartridge 42. The magnets can be selected from electromagnets 43, and electromagnet wire passages 21 are formed in the side walls of the lower nozzle 25 corresponding to the first section.
The end face of the lower nozzle 25, which is far away from one end of the upper nozzle 36, is provided with an annular positioning chuck, the positioning chuck fixes the electromagnet 43 in the second stepped hole, and the positioning chuck 44 is mounted on the lower nozzle 25 through the fixing threaded hole 20 in cooperation with a threaded fastener.
The upper nozzle 36 and the lower nozzle 25 are connected by screw thread, and the liquid-gas mixture output by the liquid-gas nozzle passes through the second stepped hole and is output to the outside of the atomizing nozzle 10.
As shown in fig. 13, the gas passage interface 31 on the upper nozzle 36 is sequentially connected with a turbine flowmeter i 52, a throttle valve i 51, a pressure regulating valve i, a gas tank 47, a filter 49 and an air compressor 45 through pipelines, wherein the gas tank 47 is connected with a pressure gauge 50; the liquid injection channel interface 34 on the upper nozzle 36 is sequentially communicated with the turbine flowmeter II 53, the throttle valve II 54, the pressure regulating valve II 56, the liquid pump 48 and the nano-fluid storage tank 46 through pipelines, an overflow valve 57 is further connected to the pipeline between the throttle valve II 54 and the pressure regulating valve II 56, and an overflow channel of the overflow valve 57 is connected to the nano-fluid recovery tank 58.
An electrode plate 37 is installed in an annular groove of the upper nozzle 36, an L-shaped needle electrode 22 and an electromagnet 43 are arranged in the lower nozzle 25 and used for improving the charge quantity of nano fluid drops, the upper nozzle 36 comprises a liquid injection cavity 30, nano fluid is output into the liquid injection cavity 30 through a liquid injection channel 33, compressed air and the nano fluid are mixed in a liquid-gas mixing section 27 to form bubble flow, and the bubble flow enters an accelerating section, so that the pressure and the flow speed of the bubble flow are increased, the diameter of bubbles is reduced, meanwhile, the bubble flow is extruded and unstably caused, the bubbles and the drops are broken into smaller bubbles and drops, the effect of electrostatic atomization is improved, and the jet flow speed is increased when the liquid-gas mixture is sprayed out from a liquid-gas outlet 24.
As the pressure suddenly drops to the atmospheric pressure, the bubbles expand rapidly to burst and form the power of droplet atomization, and the surrounding bubbles are simultaneously impacted and exploded and mutually impacted to make atomized particles extremely tiny, so that a good atomization effect is formed and output to the outside of the atomizing nozzle 10.
The high-voltage wire 17 is connected with a power supply 18 and an energizing device 19 in sequence, and the structural distribution of the power supply 18 and the energizing device 19 is shown in fig. 14.
The whole working process is that a workpiece 6 is placed on a clamp 5 to be fixed, a liquid pump 48, a gas storage tank 47 and a power head are opened, control parameters are adjusted, the bionic grinding wheel 9 in the embodiment is adopted as a grinding wheel, an atomizing nozzle 10 is opened, and the work is started when the atomizing effect is best.
In this embodiment, by combining the bionic grinding wheel 9 and the atomizing nozzle 10, the atomizing nozzle 10 is used for carrying out multi-field energization on the nano fluid, so that the cooling effect of the grinding fluid is further improved by utilizing the self-transportation effect of the bionic grinding wheel 9 while the cooling efficiency of the grinding fluid is improved, and the processing quality of the workpiece 6 is further improved.
In this example, the basic wetting principle:
young wetting equation:
wherein: θ Y Representing the intrinsic contact angle of the surface of the material, gamma SV 、γ SL And gamma LV The surface tension is respectively solid-gas, solid-liquid and liquid-gas. When the liquid is unchanged (gamma LV Invariable), intrinsic contact angle θY follows (γ) SV -γ SL ) And thus the solid surface energy can be reduced and the contact angle can be increased.
Wenzel wetting model:
young's equation is to represent the wettability of a smooth solid surface, which is a solid surface in an ideal state, which is almost absent in real life, which is rough in reality, and many microstructures exist on the surface, wenzel finds that the surface microstructure has an important effect on the wettability, so that a roughness factor is introduced into Young's equation to obtain a true wetting state, wenzel's model is that liquid drops are completely immersed in the solid surface microstructure, the solid-liquid contact area is increased, and the equation is as follows:
wherein: the roughness factor r represents the ratio of the actual contact area to the projected area, θ W Representing the actual contact angle in the Wenzel state. The total actual solid-liquid contact area in the Wenzel wetting equation is larger than the projected area, so that rTotal is larger than 1, so that for theta Y <A hydrophilic surface of 90 DEG, theta W Decreasing with increasing r; for theta Y >A hydrophobic surface of 90 DEG, theta W Increasing with increasing r.
Cassie-Baxter wetting model
The Wenzel equation drops are fully immersed in the microstructure and therefore there is a great adhesion between the drop and the solid surface. Many of the realistic wetting surfaces have very little adhesion and cannot be explained by the Wenzel model, e.g., lotus leaf surfaces. Cassie and Baxter observed that it was not possible for the droplet to completely wet a surface having an extremely rough microstructure, the microstructure and air within the microstructure together supporting the droplet, exhibiting a large contact angle and low adhesion. This model was then named Cassie-Baxter wetting model, and the equation is as follows:
cosθ C ＝f LS cosθ LS +f LV cosθ LV
wherein: f (f) LS And f LV Representing the area fractions occupied by the liquid-solid contact interface and the liquid-gas contact interface, respectively, and f LS +f LV ＝1。θ LS And theta LV The liquid-solid and liquid-gas intrinsic contact angles, respectively. Since the liquid-gas intrinsic contact angle is 180 °, the Cassie-Baxter equation can be rewritten as:
cosθ C ＝f LS (cosθ LS +1)-1
from this equation, it can be seen that the drop contact angle is related to the sum, and can be changed by changing the solid-liquid contact area.
Principle of self-transport of hydrophilic abrasive particles and hydrophobic matrix:
the hydrophilic bulge on the back of the beetle in desert and the hydrophobic back surface have good self-transportation capability, and the principle is that water in the air is gathered through hydrophilic abrasive particles, condensed into drops, and then the drops flow into a mouth gag through the hydrophobic back surface by utilizing gravity. The formula of the differential surface tension induced by the non-uniform back surface of the beetle is:
δF＝σ(cosθ 1 -cosθ 2 )
wherein: δF is the surface tension difference, σ is the surface tension of water, θ 1 And theta 2 The contact angles of water on the hydrophobic and hydrophilic regions, respectively.
The formula of water collection efficiency is as follows:
wherein: w (W) C Is water collecting efficiency, and the unit is g/m 2 /h; w is the total mass of the water collection, and the unit is g; s and H are the water collection areas (m 2 ) And total time of water collection (h).
Based on the basic wettability principle, the self-transportation of the cooling medium on the grinding wheel is divided into three processes of cooling medium droplet coagulation, cooling medium droplet growth and cooling medium droplet falling. The specific process is that a cooling medium is sprayed to the surface of a grinding wheel through an atomization nozzle 10 with micro lubrication, hydrophilic abrasive particle clusters on the outer circumferential surface of the grinding wheel are preferentially contacted with the atomized cooling medium, the cooling medium is preferentially coagulated and nucleated on the abrasive particle clusters, the cooling medium which is not contacted with the abrasive particle clusters is sprayed on the superhydrophobic surface, the superhydrophobic surface has no stronger adhesive force, the cooling medium can flow to the abrasive particle clusters from the transportation direction through tiny grooves on the surface, the growth of liquid drops at the abrasive particle clusters is accelerated, and then the liquid drops fall off under the action of gravity and the rotating force of the grinding wheel.
Through the combination mode of the hydrophilic abrasive particle clusters and the hydrophobic surface, the efficiency of the cooling medium participating in grinding processing is improved, the cooling medium absorbs heat through a heat exchange mode, the temperature during grinding processing is reduced, and the quality of a processed product is improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A desert beetle-rice She Fangsheng grinding wheel, comprising:
a super-hydrophobic layer is arranged on the outer circumferential surface of the matrix;
hydrophilic abrasive particle clusters are arranged on the superhydrophobic layer on the outer circumferential surface of the matrix;
the super-hydrophobic layer comprises protruding structures arranged on the outer circumferential surface of the substrate, concave structures are formed among the protruding structures, and stepped grooves with different depths imitating the surfaces of rice leaves are distributed on the surfaces of the protruding structures and the concave structures.
2. The desert beetle-rice She Fangsheng grinding wheel of claim 1, wherein the raised structures and recessed structures are further distributed on their surfaces with mastoid microstructures.
3. The desert beetle-rice She Fangsheng grinding wheel as defined in claim 1, wherein said hydrophilic abrasive clusters are arranged in a phyllotactic order on the outer circumference of the substrate.
4. The desert beetle-rice She Fangsheng grinding wheel as defined in claim 1, wherein said hydrophilic abrasive clusters are arranged in a staggered order on the outer circumferential surface of the base body.
5. A desert beetle-rice She Fangsheng grinding wheel according to any one of claims 1 to 4, wherein said hydrophilic abrasive grain clusters are oxidized diamond abrasive grains, and hydrophilic abrasive grain clusters are electroplated on the outer circumferential surface of the substrate.
6. The production process of the desert beetle-rice She Fangsheng grinding wheel is characterized by comprising the following steps of:
processing a substrate surface resistance-reducing microstructure pattern, scanning the substrate surface by adopting diffraction laser, and forming a stepped groove similar to the rice leaf surface on the substrate surface to obtain a superhydrophobic layer;
after the processed matrix is cleaned, abrasive particles are electroplated on the superhydrophobic layer on the outer circumferential surface of the matrix in an abrasive particle cluster mode, and hydrophilic abrasive particle clusters which are sequentially arranged are formed on the outer circumferential surface of the matrix.
7. The process for producing a desert beetle-rice She Fangsheng grinding wheel as defined in claim 6, wherein the abrasive grains are hydrophilized before being electroplated with the abrasive grains, and the abrasive grains are diamond abrasive grains.
8. The process for producing a sand wheel for desert beetle-rice She Fangsheng as claimed in claim 6, wherein a mask with holes arranged in sequence is used, the mask is stuck on a substrate, abrasive grains are fixed in the holes of the grinding by a binder, the abrasive grains in each hole form hydrophilic abrasive grain clusters, the abrasive grains are preliminarily fixed by electroplating, the mask is removed, and finally electroplating thickening is performed.
9. The process for producing a desert beetle-rice She Fangsheng grinding wheel as defined in claim 8, wherein the holes on said mask are arranged in a phyllotary or a staggered arrangement to correspond to the hydrophilic abrasive particle clusters forming the phyllotary or the staggered arrangement.
10. A grinding system using the desert beetle-rice She Fangsheng grinding wheel as defined in any one of claims 1 to 4, comprising:
an atomizing nozzle connected with the cooling liquid supply assembly;
the main shaft and the matrix of the desert beetle-rice She Fangsheng grinding wheel are arranged at the output end of the main shaft;
and the clamp is installed towards the main shaft and used for clamping a workpiece to be processed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311039159.XA CN117001554A (en) | 2023-08-17 | 2023-08-17 | Desert beetle-rice She Fangsheng grinding wheel, production process and grinding system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311039159.XA CN117001554A (en) | 2023-08-17 | 2023-08-17 | Desert beetle-rice She Fangsheng grinding wheel, production process and grinding system |
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| CN202311039159.XA Pending CN117001554A (en) | 2023-08-17 | 2023-08-17 | Desert beetle-rice She Fangsheng grinding wheel, production process and grinding system |
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| CN (1) | CN117001554A (en) |
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2023
- 2023-08-17 CN CN202311039159.XA patent/CN117001554A/en active Pending
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