High-speed cutting resin grinding wheel and preparing method thereof
A resin grinding wheel, high-speed technology, applied in the field of grinding wheels, can solve the problems of affecting the performance of friction materials, high brittleness of pure phenolic resin, insufficient heat resistance, etc., and achieve the effect of reducing porosity, less volatile substances, and high grinding efficiency
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[0023] A kind of high-speed cutting resin emery wheel, it is made up of the raw material of following parts by weight:
[0024] CBN abrasive 410, white corundum powder 70, 35% formaldehyde solution 96, boric acid 5, hexamethylenetetramine 2, aniline 13, potassium oxide 2, phenol 90, sodium fluorosilicate 3.6, pentaerythritol 0.6.
[0025] A kind of preparation method of described high-speed cutting resin emery wheel, comprises the following steps:
[0026] (1) Add the above-mentioned white corundum powder into 10mol / l sodium hydroxide solution and soak for 1 hour, filter, wash with water, dry, mix with 10% of the weight of the above-mentioned sodium fluorosilicate, and calcinate at 300°C for 40 minutes, Cool naturally, mix with potassium oxide, and ball mill evenly to become white corundum abrasive;
[0027] (2) Add the remaining sodium fluorosilicate to 17 times deionized water and stir evenly;
[0028] (3) Mix 68% of the weight of the above phenol and 70% of the weight of ...
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