Preparation method of high-strength high-heat-resistant resin grinding wheel

A resin grinding wheel, high heat-resistant technology, applied in the direction of manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of low hardness, insufficient heat resistance, easy wear and other problems of resin grinding wheels, and achieve good mechanical properties, Easy to adhere to the effect of bonding and increasing the specific surface area

Active Publication Date: 2018-11-23
河北鑫旭德耐磨材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a method for preparing a high-strength and high-heat-resistant resin grinding wheel in view of the defects that the current resin grinding wheel has low hardness, is easy to wear, and has insufficient heat resistance and is easy to decompose when frictional heat is generated.

Method used

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  • Preparation method of high-strength high-heat-resistant resin grinding wheel

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example 1

[0026]Use graphite as the cathode of the arc discharge chamber, mix silicon carbide and iron at a mass ratio of 15:1 to obtain a mixture, and use the mixture as the anode of the arc discharge chamber, fill the arc chamber with argon, fill it with argon, and then evacuate to The vacuum degree is 80Pa, and the voltage is 200V under the condition of discharge for 30min, and the discharge product is obtained, and it is used for standby; in parts by weight, 4 parts of graphite powder, 2 parts of sodium nitrate and 10 parts of sulfuric acid solution with a mass fraction of 50% are weighed Put it into a beaker, place the beaker in an ice-water bath, and stir with a stirrer at a speed of 200r / min for 40 minutes to obtain a suspension; temperature to 18°C, react at constant temperature for 30 minutes to prepare the oxidation solution, slowly add deionized water three times the mass of the oxidation solution to the beaker to obtain a buffer solution, then add 5% of the buffer solution to...

example 2

[0028] Use graphite as the cathode of the arc discharge chamber, mix silicon carbide and iron at a mass ratio of 15:1 to obtain a mixture, and use the mixture as the anode of the arc discharge chamber, fill the arc chamber with argon, fill it with argon, and then evacuate to The vacuum degree is 90Pa, and the voltage is 210V under the condition of discharge for 35min, and the discharge product is obtained, and it is used for later use; in parts by weight, 4 parts of graphite powder, 2 parts of sodium nitrate and 12 parts of sulfuric acid solution with a mass fraction of 55% are weighed Put it into a beaker, place the beaker in an ice-water bath, and stir with a stirrer at a speed of 210r / min for 45 minutes to obtain a suspension; temperature to 20°C, react at a constant temperature for 35 minutes to prepare an oxidation solution, slowly add deionized water three times the mass of the oxidation solution to the beaker to obtain a buffer solution, and then add 7% of the buffer sol...

example 3

[0030] Use graphite as the cathode of the arc discharge chamber, mix silicon carbide and iron at a mass ratio of 15:1 to obtain a mixture, and use the mixture as the anode of the arc discharge chamber, fill the arc chamber with argon, fill it with argon, and then evacuate to The degree of vacuum is 100Pa, and the voltage is 220V under the condition of discharge for 40min, and the discharge product is prepared, and it is used for standby; in parts by weight, 5 parts of graphite powder, 3 parts of sodium nitrate and 13 parts of sulfuric acid solution with a mass fraction of 60% are weighed Put it into a beaker, place the beaker in an ice-water bath, and stir with a stirrer at a speed of 220r / min for 50 minutes to obtain a suspension; add potassium permanganate powder with a suspension mass of 2% to the above beaker, and raise the water bath temperature to 22°C, react at a constant temperature for 40 minutes to prepare an oxidation solution, slowly add deionized water 4 times the ...

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Abstract

The invention relates to the technical field of metal cutting tool preparation, in particular to a preparation method of a high-strength high-heat-resistant resin grinding wheel. The method comprisesthe steps that silicon carbide is put into an arc chamber to be subjected to discharging heating so as to generate a discharging product, then graphite powder serves as a raw material to obtain an oxidation product, then the oxidation product is mixed with tetrabutyl titanate to obtain a dried product, and finally, epoxy resin, the discharging product, the dried product and the like are mixed andmelted uniformly, and then poured into a mold to be solidified to obtain the high-strength high-heat-resistant resin grinding wheel. The heat generated by the silicon carbide during energization is huge, so that iron is melted and evaporated into gas, thereby playing a very good role in catalytic action for the generation of a silicon carbide nano material; the oxidation of potassium permanganateand hydrogen peroxide causes that the surface of graphene introduces oxygen-containing groups and forms carbon vacancies, so that the graphene and titanium dioxide molecules are attached and bonded more easily, thereby improving the hardness and heat resistance of the resin grinding wheel, and the application prospects are broad.

Description

technical field [0001] The invention relates to the technical field of preparation of metal cutting tool products, in particular to a preparation method of a high-strength and high-heat-resistant resin grinding wheel. Background technique [0002] The abrasives industry is an important and indispensable industry in the machine tool industry. Its products are widely used in various industries in the processing and manufacturing industry, and the application fields involved have been continuously expanded in recent years. [0003] Grinding wheel is the most important type of abrasive tool in grinding process. It is a porous body made by adding binder to abrasive, compacting, drying and roasting. The grinding wheel rotates at high speed during use, so there are high requirements for the strength, impact resistance, heat resistance and corrosion resistance of the grinding wheel. The abrasives used in the preparation of grinding wheels mainly include different types of corundum,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24D18/00B24D3/28B24D3/34
CPCB24D3/28B24D3/342B24D3/346B24D18/0009
Inventor 裘友玖蒋梦成陈帅
Owner 河北鑫旭德耐磨材料科技有限公司
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