CN112720280B - Long-life resin-based cutting blade and preparation method thereof - Google Patents
Long-life resin-based cutting blade and preparation method thereof Download PDFInfo
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- CN112720280B CN112720280B CN202011615760.5A CN202011615760A CN112720280B CN 112720280 B CN112720280 B CN 112720280B CN 202011615760 A CN202011615760 A CN 202011615760A CN 112720280 B CN112720280 B CN 112720280B
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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
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
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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
- 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
- B24D3/285—Reaction products obtained from aldehydes or ketones
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- 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
- B24D5/12—Cut-off wheels
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0887—Tungsten
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- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a long-life resin-based cutting blade and a preparation method thereof. The invention is mainly applied to cutting of hard and brittle quartz glass, is a sharp resin scribing knife and a preparation method thereof, has strong sharpness, can use higher cutting speed and has no edge breakage in the cutting process, thereby effectively improving the production efficiency.
Description
Technical Field
The invention belongs to the composite material technology, and particularly relates to a long-life resin-based cutting blade and a preparation method thereof.
Background
Resin products have the advantages of high grinding efficiency and strong sharpness because of good self-sharpening performance, but the performance of resin determines that the overall strength and wear resistance of the resin grinding tool such as a resin cutting blade are poor and the service life is short, and the use of reinforcing fibers such as glass fibers and carbon fibers to improve the wear resistance and strength of the resin grinding tool and other products is a widely used method, for example, the prior art provides a preparation method of a superhard diamond grinding wheel, and the process comprises 1) weighing raw materials according to parts by weight; 2) Preparing a mixture A; 3) Preparing a mixture B; 4) Preparing a blank; 5) Preparing a grinding wheel matrix; 6) Preparing a molten solution for spraying; 7) And finishing the steps of coating the surface of the grinding wheel substrate and the like. The invention provides a method for preparing a superhard diamond grinding wheel, which is scientific and reasonable in process, wherein a grinding wheel substrate is prepared from materials easy to disperse, and a direct-current magnetron sputtering process is adopted for carrying out direct-current magnetron sputtering layered deposition coating on the grinding wheel substrate; the prior art discloses a heat-resistant and wear-resistant resin bond abrasive cutting wheel. The heat-resistant and wear-resistant resin bond abrasive cutting wheel is composed of the following raw materials in parts by weight: 18-26 parts of diamond abrasive, 30-50 parts of resin binder, 5-12 parts of alumina hollow sphere, 15-30 parts of high-temperature resistant fiber, 10-18 parts of wear-resistant carbon black, 1-5 parts of carbon nanotube, 35-58 parts of zinc oxide, 2-9 parts of diethylsilicon oil and 4-10 parts of pore-forming agent. However, for high-strength ceramic material processing, the service life of the existing resin scribing knife is short.
Disclosure of Invention
The invention is mainly applied to cutting of alumina ceramics, is a sharp resin scribing knife and a preparation method thereof, has long scribing service life, can use higher cutting speed and good cutting quality, and effectively improves the production efficiency.
The invention adopts the following technical scheme:
a long-life resin-based cutting blade is prepared from diamond, resin powder, hydroxylated multi-wall carbon nanotubes, tungsten powder and nickel powder.
The invention discloses application of a long-life resin-based cutting blade in processing a ceramic material; such as cutting alumina ceramic.
In the invention, by taking 100 parts of the total weight of diamond, resin powder, hydroxylated multi-wall carbon nano-tubes, tungsten powder and nickel powder, 15-35 parts of diamond, 20-30 parts of resin powder, 2-7 parts of hydroxylated multi-wall carbon nano-tubes, 20-30 parts of tungsten powder and the balance of nickel powder; preferably, 3-6 parts of hydroxylated multi-wall carbon nano tube, 22-27 parts of tungsten powder and 6-10 parts of nickel powder; further preferably, the hydroxylated multi-wall carbon nano tube is 4-5 parts, the tungsten powder is 22-25 parts, and the nickel powder is 7-7.5 parts.
In the invention, the resin powder is phenolic resin powder; the raw materials of the invention are conventional and commercially available raw materials for preparing the scribing knife or the grinding wheel.
The invention discloses a preparation method of the long-life resin-based cutting blade, which comprises the steps of mixing diamond, resin powder, a hydroxylated multi-walled carbon nanotube, tungsten powder and nickel powder, then carrying out hot pressing, and then curing to obtain the long-life resin-based cutting blade; as a common sense, the cured product is processed conventionally to meet the requirements of drawings to obtain a finished product.
The invention discloses a processing method of a ceramic material, which comprises the steps of mixing diamond, resin powder, a hydroxylated multi-walled carbon nanotube, tungsten powder and nickel powder, then carrying out hot pressing, and then curing to obtain a long-life resin-based cutting blade; and cutting the ceramic material by using the long-life resin-based cutting blade to finish the processing of the ceramic material.
In the invention, the mixing is conventional stirring and mixing; preferably, the resin powder, the tungsten powder and the nickel powder are mixed with the hydroxylated multi-wall carbon nano-tube, and finally mixed with the diamond.
In the invention, the hot pressing temperature is 190-211 ℃, and the time is 8-12 minutes; preferably, the hot pressing is followed by air cooling to room temperature.
In the invention, the curing process comprises the steps of heating from room temperature to 100 ℃ for 30min, preserving heat for 10min, then heating from 100 ℃ to 150 ℃ for 30min, preserving heat for 1h, finally heating to 180 ℃ for half an hour, and preserving heat for 8h; preferably, the cured product is furnace cooled to room temperature.
In the formula, the carbon nano tubes are mainly used for enhancing the wear resistance of the resin matrix so as to prolong the service life, and the carbon nano tubes are uniformly distributed in the resin grinding tool because of the self high toughness and self-lubricating capability, so that the grinding material is not easy to separate from the resin grinding tool in the use process so as to prolong the service life; furthermore, the tungsten powder and the nickel powder play a certain activation role, the bonding force between the diamond abrasive and the resin is increased, the dispersion and the heat dissipation effect of the abrasive are facilitated, the prepared scribing cutter cuts the hard brittle alumina ceramic, the rotating speed of the main shaft is 30kRPM, the cutting speed is 50mm/s, the cutting service life of the blade can reach 500m, the service life is long, and the cutting quality is good.
Drawings
FIG. 1 is a pictorial view of a long life resin-based cutting blade embodying features of the present invention;
FIG. 2 is a diagram of a third cut product according to an embodiment of the present invention;
fig. 3 is a diagram of a seven-cut product according to an embodiment of the present invention.
Detailed Description
The raw materials adopted by the invention are conventional commercial products for the scribing cutter or the grinding wheel, five raw materials are creatively selected and the component proportion is limited, and the limitation of the hydroxylated multi-wall carbon nano tube, the tungsten powder and the nickel powder is combined to form a new scribing cutter formula, so that the obtained product is used for cutting the hard alumina ceramic, and the obtained cut product has good quality.
The specific preparation operation and test method of the invention are the conventional methods in the field; among the raw materials, the hydroxylated multi-walled carbon nanotube is purchased from Nanjing Xiancheng nanometer material company (the invention is called as the carbon nanotube for short), the grain diameter of the diamond is 80-95um, the other raw materials are not limited, and the conventional commercial product in the field of resin scribing knife can be used.
Example one
20.0 parts by weight of diamond, 47.5 parts by weight of phenol resin powder, 22.5 parts by weight of tungsten powder, 3.0 parts by weight of carbon nanotubes and 7.0 parts by weight of nickel powder were weighed as raw materials.
Firstly, conventionally stirring resin powder, tungsten powder and nickel powder, sieving by a 200-mesh sieve, then adding carbon nano tubes, conventionally stirring, sieving by the 200-mesh sieve, finally adding a conventional three-dimensional mixed material of abrasive diamond, and sieving by the 200-mesh sieve to obtain a molding material. And (2) putting the molding material into the cavity of the existing mold, using a scraper to scrape the molding material, then moving the mold onto a hot press, adjusting the temperature to 200 ℃, pressing for 10 minutes to form an annular resin cutter blank after molding, cooling the hot-pressed mold by air, and demoulding to take out the blank. Placing the formed annular resin cutter blank into a clamp, placing the annular resin cutter blank into a heat preservation furnace, heating from room temperature to 100 ℃ for 30min, preserving heat for 10min, then heating from 100 ℃ to 150 ℃ for 30min, preserving heat for 1h, finally heating to 180 ℃ for half an hour, preserving heat for 8h, solidifying, and cooling to room temperature along with the furnace after the heat preservation time is over to obtain a blade with certain strength; and directly processing the inner and outer circles by a conventional end face grinding machine to obtain a finished product, wherein the long-life resin-based cutting blade is of a circular ring structure as shown in figure 1, the size of an inner hole reaches 40.01-40.03mm, and the size of the outer diameter reaches 58.00-58.01mm.
The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of the main shaft is 30kRPM, the cutting speed can reach 50mm/s, the sparking phenomenon is avoided, and the cutting service life of a blade can reach 350m.
The existing commercial resin blade for cutting alumina ceramics is subjected to the same cutting test, the rotating speed of a main shaft is 25kRPM, the feed speed can reach 35mm/s, the phenomenon of sparking is avoided, and the cutting service life of the blade can reach 280m.
Example two
22.5 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 25.0 parts by weight of tungsten powder, 3.0 parts by weight of carbon nanotubes and 9.5 parts by weight of nickel powder are weighed, and the raw materials are subjected to the manufacturing method of the embodiment I to form a finished blade. The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of the main shaft is 30kRPM, the cutting speed can reach 50mm/s, the sparking phenomenon is avoided, and the cutting service life of a blade can reach 400m.
EXAMPLE III
Weighing 25.0 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 25.0 parts by weight of tungsten powder, 5.0 parts by weight of carbon nano tube and 7.0 parts by weight of nickel powder, and carrying out the manufacturing method of the embodiment I on the raw materials to form the finished blade. The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of the main shaft is 30kRPM, the cutting speed can reach 50mm/s, the sparking phenomenon is avoided, the cutting service life of the blade can reach 500m, the cutting quality is good, and the edge breakage size is well controlled, see figure 2.
Example four
Weighing 25.0 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 25.0 parts by weight of copper powder, 5.0 parts by weight of carbon nanotubes and 7.0 parts by weight of nickel powder, and carrying out the manufacturing method of the embodiment I on the raw materials to form the finished blade. The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of the main shaft is 30kRPM, the cutting speed can reach 50mm/s, the sparking phenomenon is avoided, and the cutting service life of a blade can reach 305m.
EXAMPLE five
25.0 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 25.0 parts by weight of tungsten powder, 5.0 parts by weight of carbon nanotubes and 7.0 parts by weight of zinc powder were weighed as raw materials. And (4) forming the finished blade by the raw materials through the manufacturing method of the first embodiment. The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of the main shaft is 30kRPM, the cutting speed can reach 50mm/s, the sparking phenomenon is avoided, and the cutting service life of a blade can reach 315m.
Example six
24.0 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 18.0 parts by weight of tungsten powder, 8.0 parts by weight of carbon nanotubes and 10.0 parts by weight of nickel powder were weighed as raw materials. And (4) forming the finished blade by the raw materials through the manufacturing method of the first embodiment. The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of the main shaft is 30kRPM, the cutting speed can reach 50mm/s, the sparking phenomenon is avoided, and the cutting service life of the blade can reach 298m.
EXAMPLE seven
Weighing 25.0 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 25.0 parts by weight of tungsten powder, 5.0 parts by weight of graphite powder and 7.0 parts by weight of nickel powder, and carrying out the manufacturing method of the embodiment I on the raw materials to form the finished blade. The aluminum oxide ceramic with the thickness of 3mm is cut, the rotating speed of a main shaft is 30kRPM, the cutting speed can reach 50mm/s, the phenomenon of sparking does not occur, the cutting quality of a blade is deviated, and the cutting quality is shown in figure 3, so that the cutting blade is large in corner breakage and edge breakage size and cannot be applied.
The invention is mainly applied to the manufacturing field of superhard cutting tools, and relates to a long-life resin cutting blade and a preparation process thereof. The carbon nano tube used as the external filler can improve the strength of the resin matrix and the wear resistance of the whole blade, and the blade is not easy to break up by combining the synergistic effect of the nickel powder and the tungsten powder, so that the wear resistance is improved, the service life is prolonged, and the service life of the cutter is prolonged.
Claims (5)
1. The preparation method of the long-life resin-based cutting blade is characterized in that the long-life resin-based cutting blade is prepared from 25.0 parts by weight of diamond, 40.0 parts by weight of phenolic resin powder, 25.0 parts by weight of tungsten powder, 5.0 parts by weight of hydroxylated multi-wall carbon nano-tubes and 7.0 parts by weight of nickel powder; the preparation method comprises the steps of mixing diamond, resin powder, hydroxylated multi-walled carbon nanotubes, tungsten powder and nickel powder, then carrying out hot pressing and curing to obtain the long-life resin-based cutting blade; the hot pressing temperature is 190-211 ℃, and the time is 8-12 minutes; the curing process comprises the steps of heating from room temperature to 100 ℃ for 30min, preserving heat for 10min, heating from 100 ℃ to 150 ℃ for 30min, preserving heat for 1h, heating to 180 ℃ for half an hour, and preserving heat for 8h.
2. The method of claim 1, wherein the long life resin based cutting blade is obtained by conventional processing after curing.
3. The method of claim 1, wherein the resin powder, tungsten powder, nickel powder are mixed, then mixed with hydroxylated multiwall carbon nanotubes, and finally mixed with diamond.
4. A long life resin-based cutting blade prepared by the method of claim 1.
5. A method of processing a ceramic material, wherein the ceramic material is cut by the long life resin-based cutting blade of claim 4 to complete the processing of the ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011615760.5A CN112720280B (en) | 2020-12-30 | 2020-12-30 | Long-life resin-based cutting blade and preparation method thereof |
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| CN202011615760.5A CN112720280B (en) | 2020-12-30 | 2020-12-30 | Long-life resin-based cutting blade and preparation method thereof |
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| CN112720280B true CN112720280B (en) | 2022-10-28 |
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| CN114836008B (en) * | 2022-05-25 | 2023-09-05 | 武汉宜田科技发展有限公司 | Plastic plate for multi-wire cutting of diamond wires of hard and brittle materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4042347A (en) * | 1974-04-15 | 1977-08-16 | Norton Company | Method of making a resin-metal composite grinding wheel |
| JP4175728B2 (en) * | 1999-03-02 | 2008-11-05 | 株式会社アライドマテリアル | Resin bond super abrasive wire saw |
| JP2001246566A (en) * | 1999-12-28 | 2001-09-11 | Fujimi Inc | Cutting grinding wheel, its manufacturing method and grinding method using it |
| RU2286241C1 (en) * | 2005-11-14 | 2006-10-27 | Государственное образовательное учреждение высшего профессионального образования "Московский государственный институт стали и сплавов" (технологический университет) | Bond for manufacture of diamond tools |
| CN101698290A (en) * | 2009-10-30 | 2010-04-28 | 西安泽豪实业有限责任公司 | Diamond ultrathin section formula used for sectioning ceramics and production process |
| CN106272117B (en) * | 2016-08-12 | 2019-06-14 | 卢俊峰 | A kind of resinoid bond cutting blade and preparation method thereof |
| CN110303437A (en) * | 2019-06-17 | 2019-10-08 | 郑州磨料磨具磨削研究所有限公司 | A kind of glass-cutting resin wheel and preparation method thereof |
| CN110405641B (en) * | 2019-07-30 | 2021-03-30 | 郑州磨料磨具磨削研究所有限公司 | Resin grinding wheel for cutting alumina ceramic substrate and preparation method thereof |
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