CN117260555A - Preparation method of high-wear-resistance ceramic CBN grinding wheel - Google Patents
Preparation method of high-wear-resistance ceramic CBN grinding wheel Download PDFInfo
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- CN117260555A CN117260555A CN202210659589.0A CN202210659589A CN117260555A CN 117260555 A CN117260555 A CN 117260555A CN 202210659589 A CN202210659589 A CN 202210659589A CN 117260555 A CN117260555 A CN 117260555A
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- parts
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- grinding wheel
- ceramic
- working layer
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- 239000000919 ceramic Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000000227 grinding Methods 0.000 title claims description 33
- 239000011230 binding agent Substances 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920001568 phenolic resin Polymers 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000005011 phenolic resin Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 12
- 238000001354 calcination Methods 0.000 claims description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 6
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 6
- 235000011151 potassium sulphates Nutrition 0.000 claims description 6
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 6
- 235000011152 sodium sulphate Nutrition 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 230000032683 aging Effects 0.000 claims description 3
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000005007 epoxy-phenolic resin Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000011159 matrix material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 3
- 229910001651 emery Inorganic materials 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Classifications
-
- 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
- B24D3/04—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 inorganic
- B24D3/14—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 inorganic ceramic, i.e. vitrified bondings
-
- 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
- B24D3/342—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 incorporated in the bonding agent
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The application belongs to the superhard materials field, specifically is a preparation method of high wear-resisting ceramic CBN emery wheel, high wear-resisting ceramic CBN emery wheel includes base member, transition layer and working layer from inside to outside, the working layer is made by following raw materials: 80-90 parts of CBN abrasive, 15-20 parts of copper powder, 10-15 parts of graphite powder, 5-10 parts of titanium powder, 5-10 parts of yttrium powder, 20-30 parts of epoxy resin, 20-30 parts of phenolic resin, 20-30 parts of ceramic powder, 1-5 parts of ceramic bond, 5-8 parts of binder and 1-5 parts of molten salt.
Description
Technical Field
The application belongs to the field of superhard materials, and particularly relates to a preparation method of a high-wear-resistance ceramic CBN grinding wheel.
Background
The CBN grinding tool is a processed product with various shapes, which is manufactured by taking CBN (cubic boron nitride) grinding material as raw material and taking metal powder, resin powder, ceramic or electroplated metal as bonding agent. The CBN grinding wheel is used as one of CBN grinding tools and is a common tool for grinding, polishing, grinding and other processing links of workpiece products. The working layer of the CBN grinding wheel is also called a CBN layer, is composed of an abrasive, a binding agent and a filler, is an important working part of the grinding wheel, the hardness of the working layer is increased by adopting a calcining mode in the preparation process of the existing CBN grinding wheel, the working layer is easy to sinter or burn apart due to the fact that the calcining temperature is too high, the hardness cannot be achieved due to the fact that the calcining temperature is low, and in order to solve the problem, the preparation method of the high-wear-resistance ceramic CBN grinding wheel is provided.
Disclosure of Invention
In order to solve the problems of the prior art, the application provides a preparation method of a high-wear-resistance ceramic CBN grinding wheel, which is realized by the following scheme:
the preparation method of the high-wear-resistance ceramic CBN grinding wheel comprises a substrate, a transition layer and a working layer from inside to outside, wherein the working layer is prepared from the following raw materials: 80-90 parts of CBN abrasive, 15-20 parts of copper powder, 10-15 parts of graphite powder, 5-10 parts of titanium powder, 5-10 parts of yttrium powder, 20-30 parts of epoxy resin, 20-30 parts of phenolic resin, 20-30 parts of ceramic powder, 1-5 parts of ceramic bond, 5-8 parts of binder and 1-5 parts of molten salt.
Preferably, the ceramic bond is one or more of barium carbonate, titanium oxide and aluminum oxide.
Further, the molten salt is a mixture of sodium sulfate and potassium sulfate, and the molar ratio of the sodium sulfate to the potassium sulfate is 1:1.
Still further, the binder is an acrylic emulsion.
Further, the preparation steps are as follows: (1) Uniformly mixing CBN abrasive, copper powder, graphite powder, titanium powder and yttrium powder, and grinding the mixture to 300-mesh sieve; (2) Adding epoxy resin and phenolic resin into the mixture obtained in the step (1), stirring for 1-2h at 80-100 ℃, standing and cooling to room temperature; (3) Grinding the mixture obtained in the step (2) to pass through a 300-mesh sieve, adding water and molten salt, stirring for 1h at 100-120 ℃, and aging for 3h at room temperature; (4) Filtering and drying the aged mixed solution, and then adding a binder to obtain a working layer blank; (5) Placing the work layer blank obtained in the step (4) in a mould for compression molding; (6) Heating the formed working layer at 150 ℃ for 1-2h, and naturally cooling to room temperature; (7) Calcining the working layer obtained in the step (6) for 3-5 hours to obtain the working layer; (8) And connecting the working layer to the substrate through the transition layer to obtain the CBN grinding wheel.
Further, the calcination temperature in the step (6) is 500-560 ℃.
The beneficial effects are that: the method reduces the calcining temperature by adding the molten salt; the hardness of the working layer of the CBN grinding wheel is increased by adding copper powder, graphite powder, titanium powder and yttrium powder; by adding the epoxy resin and the phenolic resin, the working layer of the CBN grinding wheel has higher cutting efficiency and has certain elasticity to play a polishing role.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail below.
Example 1
The preparation method of the high-wear-resistance ceramic CBN grinding wheel comprises a substrate, a transition layer and a working layer from inside to outside, wherein the working layer is prepared from the following raw materials: 80-90 parts of CBN abrasive, 15-20 parts of copper powder, 10-15 parts of graphite powder, 5-10 parts of titanium powder, 5-10 parts of yttrium powder, 20-30 parts of epoxy resin, 20-30 parts of phenolic resin, 20-30 parts of ceramic powder, 1-5 parts of ceramic bond, 5-8 parts of binder and 1-5 parts of molten salt;
preferably, the ceramic bond is one or more of barium carbonate, titanium oxide and aluminum oxide;
further, the molten salt is a mixture of sodium sulfate and potassium sulfate, and the molar ratio of the sodium sulfate to the potassium sulfate is 1:1;
further, the binder is an acrylic emulsion;
further, the preparation steps are as follows: (1) Uniformly mixing CBN abrasive, copper powder, graphite powder, titanium powder and yttrium powder, and grinding the mixture to 300-mesh sieve; (2) Adding epoxy resin and phenolic resin into the mixture obtained in the step (1), stirring for 1-2h at 80-100 ℃, standing and cooling to room temperature; (3) Grinding the mixture obtained in the step (2) to pass through a 300-mesh sieve, adding water and molten salt, stirring for 1h at 100-120 ℃, and aging for 3h at room temperature; (4) Filtering and drying the aged mixed solution, and then adding a binder to obtain a working layer blank; (5) Placing the work layer blank obtained in the step (4) in a mould for compression molding; (6) Heating the formed working layer at 150 ℃ for 1-2h, and naturally cooling to room temperature; (7) Calcining the working layer obtained in the step (6) for 3-5 hours to obtain the working layer; (8) Connecting the working layer to the substrate through the transition layer to obtain the CBN grinding wheel;
further, the calcination temperature in the step (6) is 500-560 ℃.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present application may be modified or substituted without departing from the spirit and scope of the technical solution of the present application, and all such modifications are intended to be encompassed within the scope of the claims of the present application.
Claims (6)
1. The preparation method of the high-wear-resistance ceramic CBN grinding wheel comprises a matrix, a transition layer and a working layer from inside to outside, and is characterized in that the working layer is prepared from the following raw materials: 80-90 parts of CBN abrasive, 15-20 parts of copper powder, 10-15 parts of graphite powder, 5-10 parts of titanium powder, 5-10 parts of yttrium powder, 20-30 parts of epoxy resin, 20-30 parts of phenolic resin, 20-30 parts of ceramic powder, 1-5 parts of ceramic bond, 5-8 parts of binder and 1-5 parts of molten salt.
2. The method of producing a highly abrasive ceramic CBN grinding wheel as claimed in claim 1, wherein the ceramic bond is one or more of barium carbonate, titanium oxide and aluminum oxide.
3. The method for preparing the high-wear-resistance ceramic CBN grinding wheel according to claim 2, wherein the molten salt is a mixture of sodium sulfate and potassium sulfate, and the molar ratio of the sodium sulfate to the potassium sulfate is 1:1.
4. A method of producing a highly abrasive ceramic CBN grinding wheel as claimed in claim 3, wherein the binder is an acrylic emulsion.
5. The method for preparing the high-wear-resistance ceramic CBN grinding wheel according to claim 4, wherein the preparation steps are as follows: (1) Uniformly mixing CBN abrasive, copper powder, graphite powder, titanium powder and yttrium powder, and grinding the mixture to 300-mesh sieve; (2) Adding epoxy resin and phenolic resin into the mixture obtained in the step (1), stirring for 1-2h at 80-100 ℃, standing and cooling to room temperature; (3) Grinding the mixture obtained in the step (2) to pass through a 300-mesh sieve, adding water and molten salt, stirring for 1h at 100-120 ℃, and aging for 3h at room temperature; (4) Filtering and drying the aged mixed solution, and then adding a binder to obtain a working layer blank; (5) Placing the work layer blank obtained in the step (4) in a mould for compression molding; (6) Heating the formed working layer at 150 ℃ for 1-2h, and naturally cooling to room temperature; (7) Calcining the working layer obtained in the step (6) for 3-5 hours to obtain the working layer; (8) And connecting the working layer to the substrate through the transition layer to obtain the CBN grinding wheel.
6. The method for producing a highly abrasive ceramic CBN grinding wheel as claimed in claim 1, wherein the calcining temperature in the step (6) is 500 to 560 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210659589.0A CN117260555A (en) | 2022-06-13 | 2022-06-13 | Preparation method of high-wear-resistance ceramic CBN grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210659589.0A CN117260555A (en) | 2022-06-13 | 2022-06-13 | Preparation method of high-wear-resistance ceramic CBN grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117260555A true CN117260555A (en) | 2023-12-22 |
Family
ID=89203219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210659589.0A Pending CN117260555A (en) | 2022-06-13 | 2022-06-13 | Preparation method of high-wear-resistance ceramic CBN grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117260555A (en) |
-
2022
- 2022-06-13 CN CN202210659589.0A patent/CN117260555A/en active Pending
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