Method for manufacturing carbon-metlbond lamination retaining frame materials for rolling bearings
A technology for rolling bearings and manufacturing methods, which is applied in the field of bearing cage materials, can solve the problems of mechanical strength, thermal conductivity, elastic modulus, and thermal expansion coefficient that cannot fully meet the performance requirements of precision rolling bearings, and cannot meet high-speed precision rolling bearings, etc., and achieve good thermodynamic performance , low thermal expansion coefficient, high mechanical strength effect
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Embodiment 1
[0022] Pour phenol with a purity of ≥99% and a formaldehyde solution with a mass percentage concentration of 37% into the reactor at a weight ratio of 1:1 and stir at a temperature of 70°C, then add the total amount of phenol and formaldehyde solution 6% ammonia water and continue to stir and react to generate a mixed resin. When the cloud point temperature of the mixed resin in the reactor reaches 57°C, stop stirring, and add absolute ethanol according to 40% of the total weight of the mixed resin after vacuum dehydration Formulated as phenolic resin.
[0023] Carbon fiber cloth with 80 counts of yarn is used and the phenolic resin is impregnated on the dipping machine, the number of layers of carbon fiber cloth is 2, and the relevant control parameters of the dipping machine are: the gap between the scraping rollers is controlled at 0.20 mm, and the drying temperature is controlled at 90 ℃, the dipping speed is controlled at 2 m / min.
[0024] The carbon fiber cloth impregna...
Embodiment 2
[0027] Pour phenol with a purity of ≥99% and a formaldehyde solution with a mass percent concentration of 37% into the reactor at a weight ratio of 1:1 and stir at a temperature of 80°C, then add the total amount of phenol and formaldehyde solution 6% ammonia water and continue to stir and react to generate a mixed resin. When the cloud point temperature of the mixed resin in the reactor reaches 64°C, stop stirring. After vacuum dehydration, add absolute ethanol according to 40% of the total weight of the mixed resin Formulated as phenolic resin.
[0028] Adopt carbon fiber cloth of 60 yarns and impregnate the phenolic resin on the dipping machine, the number of layers of carbon fiber cloth=4, the relevant control parameters range of the dipping machine are: the gap between the scraping rollers is controlled at 0.30mm, and the drying temperature is controlled at 110 ℃, and the dipping speed is controlled at 1 m / min.
[0029] The carbon fiber cloth impregnated with phenolic re...
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