CN111037478A - Grinding tool based on chemical fermentation synthesis reaction and manufacturing method thereof - Google Patents
Grinding tool based on chemical fermentation synthesis reaction and manufacturing method thereof Download PDFInfo
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- CN111037478A CN111037478A CN202010028655.5A CN202010028655A CN111037478A CN 111037478 A CN111037478 A CN 111037478A CN 202010028655 A CN202010028655 A CN 202010028655A CN 111037478 A CN111037478 A CN 111037478A
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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
- 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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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention belongs to the technical field of grinding wheel and grinding tool processing, and particularly relates to a grinding tool manufacturing method based on chemical fermentation synthesis reaction. The grinding tool base material based on the chemical fermentation synthesis reaction comprises 10000 parts of soft water, 300-405 parts of stearic acid, 13-18 parts of potassium hydroxide, 60-100 parts of potato powder, 11-17 parts of urea, 15-23 parts of polyethylene glycol, 2-5 parts of tributyl phosphate, 8-12 parts of sodium dodecyl benzene sulfonate, 6-10 parts of Angel yeast powder and a formula system of the invention by weight parts, and can be used for preparing a brand new resin grinding wheel, can effectively reduce grinding heat, has uniform internal structure of the grinding wheel, good micro air hole maintenance, good heat dissipation, accurate guaranteed dimension and technical index far higher than that of domestic similar products, and according to market demands, grinding wheel grinding tools of different types, different hardnesses and different shapes can be manufactured, and the grinding wheel grinding tool is more suitable for grinding and polishing workpieces.
Description
Technical Field
The invention belongs to the technical field of grinding wheel and grinding tool processing, and particularly relates to a grinding tool manufacturing method based on chemical fermentation synthesis reaction.
Background
The grinding wheel is also called a consolidation grinding tool, and is a consolidation grinding tool which is formed by consolidating common grinding materials into a certain shape by a bonding agent and has certain strength. The grinding wheel is generally composed of an abrasive, a bonding agent and an air hole, the three parts are commonly called three elements of a bonded grinding tool, and according to different classifications of the bonding agent, a ceramic bond grinding wheel, a resin bond grinding wheel and a rubber bond grinding wheel are common. The grinding wheel is the one with the largest usage amount and the widest using surface in the grinding tool, can rotate at high speed when in use, and can perform coarse grinding, semi-fine grinding, slotting, cutting, polishing and the like on the excircle, the inner circle, the plane, various molded surfaces and the like of a metal or nonmetal workpiece.
Disclosure of Invention
The invention aims to provide a method for manufacturing a grinding tool based on a chemical fermentation synthesis reaction. The grinding wheel tool manufactured by the self-made chemical material fermentation synthesis reaction pouring method has the manufacturing advantages that large-scale mechanical equipment, large-scale high-temperature furnaces and large factory areas are not needed for producing the product.
In order to achieve the purpose, the invention adopts the following technical scheme:
a grinding tool based on chemical fermentation synthesis reaction comprises, by weight, 10000 parts of soft water, 300-405 parts of stearic acid, 13-18 parts of potassium hydroxide, 60-100 parts of potato powder, 11-17 parts of urea, 15-23 parts of polyethylene glycol, 2-5 parts of tributyl phosphate, 8-12 parts of sodium dodecyl benzene sulfonate, 6-10 parts of Angel yeast powder, and,
The preparation method of the fermentation synthesis reaction base material of the grinding tool based on the chemical fermentation synthesis reaction comprises the steps of sequentially and slowly adding and stirring base material soft water, stearic acid, potassium hydroxide, potato powder, urea, polyethylene glycol, tributyl phosphate, sodium dodecyl benzene sulfonate and Angel yeast powder according to a proportion, stirring for one hour at a medium speed gear (180-200 revolutions per minute) when all materials are added, then stirring for one hour at a slow speed gear (60-80 revolutions per minute), unloading from a stirrer, and wrapping with plastic cloth to ferment for three hours at a constant temperature of 36 ℃ for later use, which is called as the fermentation synthesis reaction base material for short.
A grinding tool based on chemical fermentation synthesis reaction is prepared through such steps as mixing the basic material, abrasive, epoxy resin, phenolic resin, melamine-formaldehyde resin and silane coupling agent, stirring, vacuumizing, pouring in mould, baking at 70 deg.C for two hours, cooling to room temp, demoulding to obtain semi-finished product, heating at 100 deg.C for one hour, 120 deg.C for one hour and 155 deg.C for four hours, turning off heating switch, cooling to 100 deg.C, cooling to 40 deg.C, and machining.
Wherein the mass ratio of the fermentation synthesis reaction base material, the grinding material, the epoxy resin, the phenolic resin, the melamine formaldehyde resin and the silane coupling agent is 100: 30- -120: 13- -56: 10- -27: 8- -19: 3- -10.
Wherein the abrasive material comprises any one of silicon carbide abrasive material, corundum abrasive material and diamond abrasive material.
The invention has the following remarkable advantages:
the product of the invention has the advantages that the common grinding material which is added with the grinding wheel grinding tool by utilizing the self-made fermentation synthesis reaction base material is directly poured into various shaped moulds through stirring and vacuum processes, and the finished product is obtained through the low-temperature control process. The grinding wheel and grinding tool can be used for grinding and polishing metal and nonmetal workpieces made of different materials.
Drawings
FIG. 1 is a photograph showing the appearance of grinding wheel samples of different properties prepared by the present invention.
FIG. 2 is SEM pictures of grinding wheel samples prepared by the invention under different times.
Detailed Description
For further disclosure, but not limitation, the present invention is described in further detail below with reference to examples.
Example 1
Preparing a fermentation synthesis reaction base material:
the raw materials of the fermentation synthesis reaction base material comprise 10000 parts of soft water, 320 parts of stearic acid, 15 parts of potassium hydroxide, 60 parts of potato powder, 12 parts of urea, 18 parts of polyethylene glycol, 2.5 parts of tributyl phosphate, 8 parts of sodium dodecyl benzene sulfonate and 6.5 parts of Angel yeast powder in parts by weight. Adding soft water, stearic acid, potassium hydroxide, potato powder, urea, polyethylene glycol, tributyl phosphate, sodium dodecyl benzene sulfonate and Angel yeast powder into base materials according to a certain proportion slowly and sequentially, stirring for one hour at a medium speed (180-200 revolutions per minute) when all the materials are added, then stirring for one hour at a slow speed (60-80 revolutions per minute), unloading from a stirrer, wrapping with plastic cloth, and fermenting at a constant temperature of 36 ℃ for three hours for later use, which is called as a fermentation synthetic reaction base material for short.
The formula of the grinding tool is as follows: 1000 g of fermentation synthesis reaction base material, 1200 g of grinding material, 560 g of epoxy resin, 270 g of phenolic resin, 150 g of melamine formaldehyde resin and 55050 g of silane coupling agent, stirring for 15 minutes, vacuumizing for 5 minutes, pouring into a mold, putting into a baking oven, adjusting the temperature to 70 ℃, curing for two hours, shutting down, naturally cooling to room temperature, demolding to obtain a semi-finished product, directly putting the semi-finished product into the baking oven, heating for one hour at 100 ℃, one hour at 120 ℃ and four hours at 155 ℃, turning off a heating switch, continuously cooling to 100 ℃ by air, shutting down, naturally cooling to 40 ℃, taking out of the oven, and processing according to the required size to obtain the finished product.
Example 2
Preparing a fermentation synthesis reaction base material:
the raw materials of the fermentation synthesis reaction base material comprise 10000 parts of soft water, 380 parts of stearic acid, 16.5 parts of potassium hydroxide, 80 parts of potato powder, 15 parts of urea, 20 parts of polyethylene glycol, 4 parts of tributyl phosphate, 10 parts of sodium dodecyl benzene sulfonate and 8 parts of Angel yeast powder in parts by weight. Adding soft water, stearic acid, potassium hydroxide, potato powder, urea, polyethylene glycol, tributyl phosphate, sodium dodecyl benzene sulfonate and Angel yeast powder into base materials according to a certain proportion slowly and sequentially, stirring for one hour at a medium speed (180-200 revolutions per minute) when all the materials are added, then stirring for one hour at a slow speed (60-80 revolutions per minute), unloading from a stirrer, wrapping with plastic cloth, and fermenting at a constant temperature of 36 ℃ for three hours for later use, which is called as a fermentation synthetic reaction base material for short.
The formula of the grinding tool is as follows: 1000 g of fermentation synthesis reaction base material, 790 g of grinding material, 130 g of epoxy resin, 310 g of phenolic resin, 190 g of melamine formaldehyde resin and 55046 g of silane coupling agent, stirring for 15 minutes, vacuumizing for 5 minutes, pouring into a mold, putting into a baking oven, adjusting the temperature to 70 ℃, curing for two hours, shutting down, naturally cooling to room temperature, demolding to obtain a semi-finished product, directly putting the semi-finished product into the baking oven, heating for one hour at 100 ℃, one hour at 120 ℃ and four hours at 155 ℃, turning off a heating switch, continuously cooling to 100 ℃ by air blast, shutting down, naturally cooling to 40 ℃, taking out of the oven, and processing according to the required size to obtain the finished product.
Example 3
Preparing a fermentation synthesis reaction base material:
the raw materials of the fermentation synthesis reaction base material comprise 10000 parts of soft water, 405 parts of stearic acid, 18 parts of potassium hydroxide, 100 parts of potato powder, 17 parts of urea, 23 parts of polyethylene glycol, 5 parts of tributyl phosphate, 12 parts of sodium dodecyl benzene sulfonate and 10 parts of Angel yeast powder by weight. Adding soft water, stearic acid, potassium hydroxide, potato powder, urea, polyethylene glycol, tributyl phosphate, sodium dodecyl benzene sulfonate and Angel yeast powder into base materials according to a certain proportion slowly and sequentially, stirring for one hour at a medium speed (180-200 revolutions per minute) when all the materials are added, then stirring for one hour at a slow speed (60-80 revolutions per minute), unloading from a stirrer, wrapping with plastic cloth, and fermenting at a constant temperature of 36 ℃ for three hours for later use, which is called as a fermentation synthetic reaction base material for short.
The formula of the grinding tool is as follows: 1000 g of fermentation synthesis reaction base material, 360 g of grinding material, 290 g of epoxy resin, 160 g of phenolic resin, 80 g of melamine formaldehyde resin and 55038 g of silane coupling agent, stirring for 15 minutes, vacuumizing for 5 minutes, pouring into a mold, putting into a baking oven, adjusting the temperature to 70 ℃, curing for two hours, shutting down, naturally cooling to room temperature, demolding to obtain a semi-finished product, directly putting the semi-finished product into the baking oven, heating for one hour at 100 ℃, one hour at 120 ℃ and four hours at 155 ℃, turning off a heating switch, continuously cooling to 100 ℃ by air blast, shutting down, naturally cooling to 40 ℃, taking out of the oven, and processing according to the required size to obtain the finished product.
The formula system can be used for preparing a brand-new resin grinding wheel, can effectively reduce grinding heat, has uniform internal structure, good micro air hole retention and good heat dissipation, ensures accurate size, has technical indexes far higher than those of domestic similar products, can be used for manufacturing grinding wheel grinding tools with different types, different hardness and different shapes according to market demands, and is more suitable for grinding and polishing workpieces. And through detection, the porosity of the resin grinding wheel prepared by the invention is 50-65%, the pore size is 100-150 μm, the grinding effect is improved by 12-28%, and the surface roughness is improved by 18-33% compared with the traditional resin grinding wheel.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (8)
1. A grinding tool based on chemical fermentation synthesis reaction is characterized in that: the grinding tool comprises the following raw materials: wherein the mass ratio of the fermentation synthesis reaction base material, the grinding material, the epoxy resin, the phenolic resin, the melamine formaldehyde resin and the silane coupling agent is 100: 30-120: 13-56: 10-27: 8-19: 3-10.
2. The abrasive tool based on chemical fermentation synthesis reaction of claim 1, wherein: the preparation method of the grinding tool comprises the following steps:
(1) stirring a fermentation synthesis reaction base material, an abrasive, epoxy resin, phenolic resin, melamine formaldehyde resin and a silane coupling agent, vacuumizing, pouring into a mold, curing in an oven, naturally cooling to room temperature, and demolding to obtain a semi-finished product;
(2) directly placing the semi-finished product into a baking oven, heating, keeping the temperature, turning off a heating switch, continuously blowing air to cool to 100 ℃, shutting down, naturally cooling to 40 ℃, discharging, and processing according to the required size to obtain the finished product.
3. The abrasive tool based on chemical fermentation synthesis reaction according to claim 2, wherein:
the oven curing in the step (1) is specifically to adjust the temperature to 70 ℃ for two hours.
4. The abrasive tool based on chemical fermentation synthesis reaction according to claim 2, wherein:
in the step (2), the temperature is raised and preserved for one hour at 100 ℃, one hour at 120 ℃ and four hours at 155 ℃.
5. The abrasive tool based on chemical fermentation synthesis reaction of claim 1, wherein:
the fermentation synthesis reaction base material comprises 10000 parts of soft water, 405 parts of stearic acid, 13-18 parts of potassium hydroxide, 60-100 parts of potato powder, 11-17 parts of urea, 15-23 parts of polyethylene glycol, 2-5 parts of tributyl phosphate, 8-12 parts of sodium dodecyl benzene sulfonate and 6-10 parts of Angel yeast powder.
6. The abrasive tool based on chemical fermentation synthesis reaction of claim 5, wherein:
the preparation of the fermentation synthesis reaction base material comprises the following steps: adding soft water as a base material, stearic acid, potassium hydroxide, potato powder, urea, polyethylene glycol, tributyl phosphate, sodium dodecyl benzene sulfonate and Angel yeast powder slowly in proportion and stirring in sequence, stirring for one hour at a medium speed gear when all the materials are added, then stirring for one hour at a slow speed gear, unloading from a stirrer, wrapping with plastic cloth, and fermenting at a constant temperature of 36 ℃ for three hours for later use, namely, fermenting to synthesize the reaction base material.
7. The abrasive tool based on chemical fermentation synthesis reaction of claim 6, wherein:
the medium speed gear is 180-200 revolutions per minute; the slow gear is 60-80 revolutions per minute.
8. The abrasive tool based on chemical fermentation synthesis reaction of claim 1, wherein:
wherein the abrasive material comprises any one of silicon carbide abrasive material, corundum abrasive material and diamond abrasive material.
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| US8475553B2 (en) * | 2005-09-30 | 2013-07-02 | Saint-Gobain Abrasives, Inc. | Abrasive tools having a permeable structure |
| WO2012092388A2 (en) * | 2010-12-28 | 2012-07-05 | Saint-Gobain Abrasives, Inc. | Robust binder bonded grinding wheel |
| CN103551988A (en) * | 2013-11-08 | 2014-02-05 | 谢泽 | Preparation method for compression-molded flat wheel comprising gridded sisal hemp back cover |
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| CN107127688A (en) * | 2017-06-08 | 2017-09-05 | 泉州众志新材料科技有限公司 | One kind cast dry grinding sheet material |
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| CN111037478B (en) | 2021-11-02 |
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