A kind of preparation method of high strength and high heat resistance resin grinding wheel
A resin grinding wheel, high heat resistance technology, used in manufacturing tools, metal processing equipment, grinding/polishing equipment, etc., can solve the problems of low hardness, insufficient heat resistance, easy wear of resin grinding wheels, etc. The effect of easy adhesion and bonding, increasing specific surface area
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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 the oxidation solution, slowly add deionized water 4 times the...
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