CN114131520B - Grinding wheel for machining highlight cutter, and preparation method and application thereof - Google Patents
Grinding wheel for machining highlight cutter, and preparation method and application thereof Download PDFInfo
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- CN114131520B CN114131520B CN202111497048.4A CN202111497048A CN114131520B CN 114131520 B CN114131520 B CN 114131520B CN 202111497048 A CN202111497048 A CN 202111497048A CN 114131520 B CN114131520 B CN 114131520B
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- 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
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/346—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties utilised during polishing, or grinding operation
Abstract
The invention belongs to the technical field of precision grinding machining, and particularly relates to a grinding wheel for highlight cutter machining, and a preparation method and application thereof. The grinding wheel for machining the high-gloss cutter is prepared from a molding material by a hot press molding process, a hardening process and a post-machining process. The molding material comprises the following components in parts by mass: 42-52 parts of main abrasive, 10-40 parts of silicon rubber powder, 5-30 parts of graphite and 16-18 parts of bonding agent. The invention provides the grinding wheel for machining the highlight cutter by adjusting the components of the grinding wheel and the preparation method of the grinding wheel molding material, can realize batch machining of the highlight cutter, improve the machining efficiency, obtain the highlight cutter product meeting the highlight surface quality requirement, solve the current situations of poor machining surface quality and low machining efficiency of the product, and have the characteristics of long service life and good grinding effect.
Description
Technical Field
The invention belongs to the technical field of precision grinding machining, and particularly relates to a grinding wheel for highlight cutter machining, and a preparation method and application thereof.
Background
With the development of electronic technological innovation and new technology, 3C products such as unmanned aerial vehicles, smart phones and computers are rapidly updated, the market scale of the global 3C industry is increased year by year, and the technical requirements of the 3C industry market are continuously expanded. The existing 3C product processing technology is difficult to adapt to the updating speed of new products and new processing technologies. This puts higher demands on the cutting tool as one of the cutting tools, generally, this kind of cutting tool material is called "high-gloss cutter" for short, and an important technical index that the high-gloss cutter needs to meet is the high brightness requirement, that is, the machined high-gloss cutter workpiece is required to have good surface roughness (the lower the numerical value, the higher the precision), high brightness, and no grinding grain under the high-magnification condition.
At present, the problem of poor quality of a processed surface exists when a conventional grinding wheel is used for processing a high-gloss cutter, and the problem is mainly shown in that obvious grinding grains still exist under the magnification of 200 times after processing, so that the production efficiency is low, and the product percent of pass is low. In order to meet the requirement of high difficulty in machining of the high-gloss cutter workpiece, a new grinding tool is urgently needed for finely machining the high-gloss cutter workpiece.
Chinese patent publication No. CN109746497A discloses a highlight milling cutter, that is, a polishing method for polishing the milling cutter, wherein a rear corner surface with a smaller width is processed at an edge of the milling cutter, so that on one hand, sharpness of the edge of the milling cutter can be improved, and on the other hand, waste chips can be prevented from being jammed between a workpiece and the rear corner surface, thereby reducing vibration during processing of the highlight milling cutter and prolonging service life of the highlight milling cutter. However, the polishing method in this patent is not effective in improving the high gloss tool surface roughness.
Based on this, this application designs a emery wheel for grinding high light sword through adjusting the component of emery wheel to through adjusting high light sword grinding process parameter, in order to improve the surface roughness grinding effect of high light cutter work piece.
Disclosure of Invention
The invention aims to solve the problem that the machining process of the high-gloss cutter product in the prior art is difficult to meet the quality requirement of the high-gloss cutter, and provides the grinding wheel for machining the high-gloss cutter by adjusting the components of the grinding wheel and the preparation method of the grinding wheel molding material, which can realize batch machining of the high-gloss cutter, improve the machining efficiency, meet the requirement on the surface roughness of the high-gloss cutter workpiece, and has the characteristics of long service life and good grinding effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the grinding wheel for machining the highlight cutter is prepared from a molding material through a hot press molding process and a hardening process.
The preparation method of the grinding wheel for machining the highlight cutter comprises the specific steps of molding and pressing a molding material for 40-50min at the molding temperature of 170-180 ℃ and the molding pressure of 6-10MPa, cooling to room temperature, performing secondary hardening processing, specifically, raising the temperature to 120-130 ℃ at the room temperature within 50-60min, preserving the temperature for 80-90min, raising the temperature to 180-190 ℃ through 120-150min, preserving the temperature for 300-360min, cooling to 90-100 ℃ through 120-150min, and finally cooling to room temperature to obtain a finished product.
The molding material formula comprises a main abrasive, ceramic silicon rubber powder, impermeable graphite and a bonding agent.
Specifically, the molding material formula comprises the following components in parts by mass: 42-52 parts of main abrasive, 10-40 parts of ceramic silicon rubber powder, 5-30 parts of impermeable graphite and 16-18 parts of bonding agent.
The preparation method of the molding material comprises the following steps:
(1) uniformly mixing a main grinding material and ceramic silicon rubber powder according to a formula ratio to obtain a component I, adding a ball grinding medium into the component I, then placing the component I and the ball grinding medium into a ball grinding tank together, and preparing to obtain a mixed powder I through a high-energy ball grinding process;
(2) putting the mixed powder I into a material basin, placing the material basin into an oven, baking the material basin for 1 to 2 hours at the temperature of between 70 and 80 ℃, taking out the material basin, and naturally cooling the material basin to room temperature;
(3) and adding impermeable graphite and a bonding agent into the baked mixed powder I according to the formula proportion to obtain mixed powder II, and placing the mixed powder II into a mixing tank to be mixed for 1-2 hours by using a mixer to obtain a molding material.
In the formula of the forming material, the main abrasive is composed of single crystal diamond abrasive and CVD nano diamond particles, and the mass ratio of the single crystal diamond abrasive to the CVD nano diamond particles is (1-1.5): 1;
the grain diameter of the main abrasive is 0.5-5 microns, wherein the grain diameter of the CVD nano diamond particles is 10-85 nanometers; the CVD nano diamond particles are prepared by a CVD method (vapor deposition method), and compared with nano diamond prepared by other methods, the CVD method has higher crystal quality and more obvious crystal morphology and is more suitable for high-precision polishing; the single crystal diamond abrasive and the CVD nano diamond particles are mixed and used as main components of the grinding wheel to mainly play a polishing role in grinding.
The ceramic silicon rubber powder is used as a component of the grinding wheel and mainly plays a polishing role, the particle size is 5-15 micrometers, and the ceramic silicon rubber powder is a special elastomer material and has good polishing effect and heat resistance.
The impervious graphite is a gas and liquid leakage resistant material which is formed by compounding graphite and bonding (impregnating) materials such as synthetic resin and the like by adopting the processes of dipping, pressing or pouring and the like, and powder particles with the particle size of below 15 microns, namely turning impervious graphite, are obtained after turning the impervious graphite rod by a fine feed and screening by a 1000-mesh vibrating screen machine, so that the turning impervious graphite has high heat conductivity and high corrosion resistance, and can increase the grinding heat dissipation and polishing effects of the grinding wheel.
The bonding agent is low fluidity resin powder, the resin with low molecular chain has rigid long chain structure, stable chemical property and good mechanical property, and the fluidity is 15mm-31 mm.
The ball milling medium added in the step (1) of the preparation method of the molding material consists of a mixed solution and zirconia balls, wherein the mixed solution comprises absolute ethyl alcohol, acetone and a dispersing agent, and the mass ratio of the absolute ethyl alcohol, the acetone, the dispersing agent and the first component is (4-6): 1:0.5:2.
Specifically, the dispersant is sodium silicate.
The diameter of the zirconia ball is 24mm, 12mm or 6mm, specifically, in the process of preparing the molding material, the zirconia ball used is the combination of zirconia balls with the three diameters of 24mm, 12mm and 6mm, and the mass ratio of the zirconia balls with the three diameters is (1-2): 3: 6.
The ball milling tank is made of agate and has a volume of 60-150 ml.
The high-energy ball milling process in the step (1) of the preparation method of the molding material is realized by automatic programming, and specifically, the parameters of the high-energy ball milling process comprise the rotation speed of 860 and 1060rpm, the ball milling time of 3-6 hours, and the rest of 10 minutes per 30 minutes of operation; wherein the rest time of 10 minutes is used for cooling, and the materials are prevented from generating too high surface energy and agglomerating due to high-speed operation heating.
The high-energy ball milling process utilizes the high-speed three-dimensional infinity motion principle, the ball milling medium has impact, shearing, friction and other compound forces on the material in the motion process, sharp edge angles of the material can be effectively removed, coarse particles can be refined, the polishing effect of the material is increased, and the possibility of grinding and scratching is reduced. Other process parameters of the high-energy ball milling process and equipment used for ball milling in the application are all the same with the prior art, are not the invention point of the invention, and are not described again.
The particle size of the mixed powder I prepared in the step (1) after the high-energy ball milling process is 0.5-6 microns.
The application also provides the application of the grinding wheel for highlight cutter processing in highlight cutter grinding.
Compared with the prior art, the invention has the beneficial effects that:
the preparation method of the grinding wheel molding material has stable process and good material uniformity, and the prepared grinding wheel has good grinding and polishing performance. Utilize the emery wheel carries out abrasive machining to highlight cutter, can obtain the highlight sword product that satisfies highlight surface quality requirement, solves the current situation that this type of product machining surface quality is poor, machining efficiency is low, and the emery wheel of this application still has higher life simultaneously.
Drawings
FIG. 1 is a surface quality effect diagram of a high-gloss tool workpiece machined by a grinding wheel according to embodiment 1 of the invention.
Detailed Description
The technical solutions of the present application are described below clearly and completely with reference to the following embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application. The technical scheme of the invention is a routine scheme in the field if not specifically stated, and the reagents used in the following examples are common reagents in the prior art if not specifically stated.
The specification, model and manufacturer of the materials used in the specific examples are: the ceramic silicon rubber powder is 8-15 micrometers, and is purchased from Anmi micro-nano new material (Guangzhou) Co., Ltd; an impermeable graphite round rod phi 150mm x 50mm, purchased from Nantong star ball graphite GmbH; the low-fluidity resin powder has the model number of PF-2828 and the fluidity of 15mm-31mm, and is purchased from Jinan Shengquan group GmbH.
Example 1
The grinding wheel for machining the highlight cutter is prepared from a molding material through a hot press molding process and a hardening process.
The preparation method of the grinding wheel for machining the highlight cutter comprises the specific steps of molding and pressing a molding material for 50min at the molding temperature of 175 ℃ and under the molding pressure of 8MPa, cooling to room temperature, performing secondary curing processing, specifically, raising the temperature to 125 ℃ in 60min at the room temperature, preserving the heat for 90min, raising the temperature to 180 ℃ in 150min, preserving the heat for 360min, reducing the temperature to 100 ℃ in 150min, and finally cooling to the room temperature to obtain a finished product.
The molding material formula comprises a main abrasive, ceramic silicon rubber powder, turning impermeable graphite and a bonding agent.
Specifically, the molding material comprises the following raw materials in parts by mass: 46 parts of main abrasive, 30 parts of ceramic silicon rubber powder, 8 parts of turning impermeable graphite and 16 parts of bonding agent. The main abrasive material consists of single crystal diamond abrasive materials and CVD nano diamond particles, the mass ratio of the single crystal diamond abrasive materials to the CVD nano diamond particles is 3:2, the grain size of the single crystal diamond is 2-4 mu m, and the grain size of the CVD nano diamond is 30-50 nm; the bonding agent is low-fluidity resin powder, and the fluidity is 31 mm.
The preparation method of the molding material comprises the following specific steps:
(1) uniformly mixing a main grinding material and ceramic silicon rubber powder according to a formula ratio to obtain a component I, adding a ball grinding medium into the component I, then placing the component I and the ball grinding medium into an agate ball milling tank, and preparing a mixed powder I through a high-energy ball milling process;
(2) putting the mixed powder I into a material basin, putting the material basin in an oven at 80 ℃ for baking for 1.5 hours, taking out, and naturally cooling to room temperature, wherein the single weight of the material basin is not more than 500 g;
(3) and adding turning impermeable graphite and a binding agent into the baked mixed powder I according to the formula proportion to obtain mixed powder II, and placing the mixed powder II into a mixing tank to be mixed for 1 hour by using a mixer to obtain a molding material.
The ball milling medium added in the step (1) consists of a mixed solution and zirconia balls, wherein the mixed solution comprises absolute ethyl alcohol, acetone and a sodium silicate dispersant, and in the preparation process of the molding material, the mass ratio of the absolute ethyl alcohol, the acetone, the dispersant to the first component is 6: 1:0.5:2.
The zirconia ball in the step (1) is a combination of zirconia balls with the diameters of 24mm, 12mm and 6mm, and the mass ratio of the zirconia balls with the diameters of the three kinds is 1:3: 6.
Parameters of the high-energy ball milling process in the step (1) are 1060rpm of rotating speed, 6 hours of ball milling time and 10 minutes of rest every 30 minutes of operation; wherein the rest time of 10 minutes is used for cooling, and the materials are prevented from generating too high surface energy and agglomerating due to high-speed operation heating.
The particle size of the mixed powder I prepared in the step (1) after the high-energy ball milling process is 0.5-6 microns.
Example 2
The grinding wheel for machining the highlight cutter is prepared from a molding material through a hot press molding process and a hardening process, and the preparation method of the grinding wheel in the embodiment 2 is the same as that of the embodiment 1.
The molding material formula comprises a main abrasive, ceramic silicon rubber powder, turning impermeable graphite and a bonding agent.
Specifically, the molding material comprises the following raw materials in parts by mass: 52 parts of main abrasive, 10 parts of ceramic silicon rubber powder, 20 parts of turning impermeable graphite and 18 parts of bonding agent. The main abrasive material consists of single crystal diamond abrasive materials and CVD nano diamond particles, the mass ratio of the single crystal diamond abrasive materials to the CVD nano diamond particles is 3:2, the grain diameter of the single crystal diamond is 3-5 mu m, and the grain diameter of the CVD nano diamond is 40-70 nm; the bonding agent is low-fluidity resin powder, and the fluidity is 15 mm.
The preparation method of the molding material comprises the following specific steps:
(1) uniformly mixing a main grinding material and ceramic silicon rubber powder according to a formula ratio to obtain a component I, adding a ball grinding medium into the component I, then placing the component I and the ball grinding medium into an agate ball milling tank, and preparing a mixed powder I through a high-energy ball milling process;
(2) putting the mixed powder I into a material basin, putting the material basin in an oven at 70 ℃ for baking for 2 hours, taking out, and naturally cooling to room temperature, wherein the single weight of the material basin is not more than 500 g;
(3) and adding turning impermeable graphite and a bonding agent into the baked mixed powder I according to the formula proportion to obtain mixed powder II, and placing the mixed powder II into a mixing tank to be mixed for 2 hours by a mixer to obtain a molding material.
The ball milling medium added in the step (1) consists of a mixed solution and zirconia balls, wherein the mixed solution comprises absolute ethyl alcohol, acetone and a sodium silicate dispersant, and in the preparation process of the molding material, the mass ratio of the absolute ethyl alcohol, the acetone, the dispersant to the first component is 4: 1:0.5:2.
The zirconia ball in the step (1) is a combination of zirconia balls with the diameters of 24mm, 12mm and 6mm, and the mass ratio of the zirconia balls with the diameters of the three kinds is 1:3: 6.
Parameters of the high-energy ball milling process in the step (1) are that the rotating speed is 860rpm, the ball milling time is 3 hours, and the rest is carried out for 10 minutes every 30 minutes of operation; wherein the rest time of 10 minutes is used for cooling, and the materials are prevented from generating too high surface energy and agglomerating due to high-speed operation heating.
The particle size of the mixed powder I prepared in the step (1) after the high-energy ball milling process is 0.5-6 microns.
Example 3
The grinding wheel for machining the highlight cutter is prepared from a molding material through a hot press molding process and a hardening process, and the preparation method of the grinding wheel in the embodiment 3 is the same as that of the embodiment 1.
The molding material formula comprises a main abrasive, ceramic silicon rubber powder, turning impermeable graphite and a bonding agent.
Specifically, the molding material comprises the following raw materials in parts by mass: 42 parts of main abrasive, 11 parts of ceramic silicon rubber powder, 30 parts of turning impermeable graphite and 17 parts of bonding agent. The main abrasive material consists of single crystal diamond abrasive materials and CVD nano diamond particles, the mass ratio of the single crystal diamond abrasive materials to the CVD nano diamond particles is 3:2, the grain size of the single crystal diamond is 2.5-4.5 mu m, and the grain size of the CVD nano diamond is 10-40 nm; the bonding agent is low-fluidity resin powder, and the fluidity is 22 mm.
The preparation method of the molding material comprises the following specific steps:
(1) uniformly mixing a main grinding material and ceramic silicon rubber powder according to a formula ratio to obtain a component I, adding a ball grinding medium into the component I, then placing the component I and the ball grinding medium into an agate ball milling tank, and preparing a mixed powder I through a high-energy ball milling process;
(2) putting the mixed powder I into a material basin, putting the material basin in an oven at 75 ℃ for baking for 1.5 hours, taking out, and naturally cooling to room temperature, wherein the single weight of the material basin is not more than 500 g;
(3) and adding turning impermeable graphite and a bonding agent into the baked mixed powder I according to the formula proportion to obtain mixed powder II, and placing the mixed powder II into a mixing tank to be mixed for 1.5 hours by using a mixer to obtain a molding material.
The ball milling medium added in the step (1) consists of a mixed solution and zirconia balls, wherein the mixed solution comprises absolute ethyl alcohol, acetone and a sodium silicate dispersant, and in the preparation process of the molding material, the mass ratio of the absolute ethyl alcohol, the acetone, the dispersant to the first component is 5: 1:0.5:2.
The zirconia ball in the step (1) is a combination of zirconia balls with the diameters of 24mm, 12mm and 6mm, and the mass ratio of the zirconia balls with the diameters of the three kinds is 1:3: 6.
Parameters of the high-energy ball milling process in the step (1) comprise 960rpm of rotation speed, 4.5 hours of ball milling time and 10 minutes of rest every 30 minutes of operation; wherein the rest time of 10 minutes is used for cooling, and the materials are prevented from generating too high surface energy and agglomerating due to high-speed operation heating.
The particle size of the mixed powder I prepared in the step (1) after the high-energy ball milling process is 0.5-6 microns.
Application example
Grinding tests are carried out on the highlight cutter workpiece by respectively adopting the grinding wheels prepared in the embodiments 1-3 and a conventional resin bond diamond grinding wheel (as a comparative example 1), wherein the types and specifications of the grinding wheels are as follows: 9A 1305, 150, 120, 10D 2000# B100, specification phi 3.175mm, 38mm, number 6000 and single grinding allowance of the highlight cutter workpiece is 0.01mm, the workpiece is made of hard alloy and is made of No. YG15, and grinding experiments are carried out by adopting a Taiwan Gao Changbai FX-12 type grinding machine according to grinding process parameters of 1450rpm of a grinding wheel, 65rpm of a guide wheel and 3-6 microns of single feed amount. The resin bond diamond grinding wheel used in comparative example 1 is commercially available, and the model specification and diamond concentration are the same as those in examples 1 to 3. The results of the grinding tests are shown in table 1.
Table 1 test results of experimental examples and comparative examples.
The test results show that after the high-gloss cutter is ground by the resin diamond grinding wheel commonly used in the prior art in the comparative example 1, the workpiece has poor surface quality, obvious scratches and grinding lines, small single-time feed amount and long processing time, so that the processing efficiency and the product qualification rate are difficult to guarantee.
After the grinding wheel prepared by the invention is used for processing a high-gloss cutter, the requirement of high surface roughness of a workpiece can be met, no grinding lines and scratches (see figure 1) are observed under the magnification of 200 times, the single-time feed amount can reach 3-6 microns, the batch stable processing of the workpiece can be realized, and the breakthrough of the processing surface quality and the processing efficiency is realized. The method has the advantages that the effect of the embodiment 1 is best, the processing time is short, the processing efficiency is improved by 53.4% compared with the comparative example, the abrasion loss (circumference volume) of the grinding wheel is minimum, the service life of the grinding wheel can be improved by more than 80% in a conversion mode compared with the comparative example, and the product yield of the embodiment 1 is improved by 38.6% compared with the comparative example. Simultaneously the emery wheel of this application still has higher life.
The above examples are illustrative of the present invention, and the present invention is not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.
Claims (6)
1. The grinding wheel for machining the highlight cutter is characterized by being prepared from a molding material through a hot press molding process and a hardening process;
the molding material comprises the following components in parts by mass: 42-52 parts of main abrasive, 10-40 parts of silicon rubber powder, 5-30 parts of graphite and 16-18 parts of bonding agent;
the main abrasive material consists of single crystal diamond abrasive materials and CVD nano diamond particles, and the mass ratio of the single crystal diamond abrasive materials to the CVD nano diamond particles is (1-1.5): 1;
the grain diameter of the main grinding material is 0.5-5 microns, and the grain diameter of the CVD nano diamond grains is 10-85 nanometers;
the silicon rubber powder is ceramic silicon rubber powder with the particle size of 5-15 micrometers; the graphite is impermeable graphite, the bonding agent is low-fluidity resin powder, and the fluidity is 15mm-31 mm.
2. The grinding wheel for machining high-gloss tools according to claim 1, wherein the molding material is prepared by the following steps:
(1) uniformly mixing a main grinding material and silicon rubber powder according to a formula ratio to obtain a component I, adding a ball grinding medium into the component I, and preparing a mixed powder I through a high-energy ball milling process;
(2) baking the mixed powder I at the temperature of 70-80 ℃ for 1-2 hours, taking out, and naturally cooling to room temperature;
(3) and adding graphite and a bonding agent into the baked mixed powder I according to the formula proportion to obtain mixed powder II, and continuously mixing the mixed powder II for 1-2 hours to obtain a molding material.
3. The grinding wheel for machining the highlight cutter according to claim 2, wherein the ball milling medium added in the step (1) consists of a mixed solution and zirconia balls, wherein the mixed solution comprises absolute ethyl alcohol, acetone and a dispersing agent, and the mass ratio of the absolute ethyl alcohol, the acetone, the dispersing agent and the component one in the molding material preparation process is (4-6): 1:0.5: 2; the zirconia balls have a diameter of 24mm, 12mm or 6 mm.
4. The grinding wheel for machining the high-gloss tool according to claim 3, wherein the zirconia balls used in step (1) are a combination of zirconia balls with three diameters of 24mm, 12mm and 6mm, and the mass ratio of the zirconia balls with the three diameters is (1-2): 3: 6.
5. The grinding wheel for machining the high-gloss cutter as claimed in claim 2, wherein the parameters of the high-energy ball milling process in the step (1) are 860 and 1060rpm and 3-6 hours of ball milling time.
6. Use of a high gloss tool machining wheel according to any one of claims 1 to 5 for high gloss tool grinding.
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