Heat-conducting lubricating grease for high-speed all-steel angular contact bearing and preparation method thereof
A technology for angular contact bearings and lubricating grease, which is applied in the field of lubricating grease, can solve the problems of high price, unsatisfactory thermal conductivity of lubricating grease, complicated production process, etc., achieve low preparation cost, simple and practical preparation method, and good storage stability Effect
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Embodiment 1
[0025] Take 5% by weight of 2,6-di-tert-butylphenol and add it to the beaker, take 10% by weight of nano-silicon magnesium nitride and add it to the beaker, and stir it in a magnetic stirrer for 30 minutes , carry out ultrasonic dispersion for 30 minutes, use the local high temperature, high pressure or strong shock wave generated during ultrasonic cavitation to greatly weaken the nano interaction energy between nanoparticles, effectively prevent the aggregation of nanoparticles and make them fully dispersed. Weigh 85% of the barium-based grease by mass, heat it to 70°C, keep the temperature for 10 minutes, add the thermal conductivity agent after ultrasonic dispersion into the barium-based grease, disperse it with an ultrasonic emulsifier for 30 minutes, and use a three-roll mill after cooling Grind three times to get grease.
Embodiment 2
[0027] Weigh 4% of 2,6-di-tert-butylphenol into the beaker by weight percentage, and weigh 6% of nanoparticles by weight percentage—nano-silicon carbide and nano-aluminum nitride, wherein nano-silicon carbide Add 3%, nano-aluminum nitride 3% into the beaker, stir in a magnetic stirrer for 25 minutes, and then carry out ultrasonic dispersion for 25 minutes. Using the local high temperature, high pressure or strong shock wave generated during ultrasonic cavitation, the nano-action between nanoparticles is greatly weakened It can effectively prevent the aggregation of nanoparticles and make them fully dispersed. Weigh 90% of the barium-based grease by mass, heat it to 75°C, keep the temperature for 10 minutes, add the heat-conducting agent after ultrasonic dispersion into the barium-based grease, disperse it with an ultrasonic emulsifier for 25 minutes, and use a three-roll mill after cooling Grind three times to get grease.
Embodiment 3
[0029] Take by weight 2% of 2,6-di-tert-butylphenol and add it to the beaker, take by weight 3% of nano-boron nitride and nano-silicon nitride, wherein, nano-boron nitride 2 %, 1% nano-silicon nitride, added to the beaker, stirred in a magnetic stirrer for 25 minutes, and then ultrasonically dispersed for 25 minutes, using the local high temperature, high pressure or strong shock wave generated during ultrasonic cavitation to greatly weaken the nano interaction between nanoparticles It can effectively prevent the aggregation of nanoparticles and make them fully dispersed. Weigh 95% of the barium-based grease by mass, heat it to 80°C, keep the temperature for 10 minutes, add the heat-conducting agent after ultrasonic dispersion into the barium-based grease, disperse it with an ultrasonic emulsifier for 30 minutes, and use a three-roll mill after cooling Grind three times to get grease.
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