Brake disc with high friction coefficient
A technology of high friction coefficient and brake pads, which is applied in the direction of friction linings, mechanical equipment, gear transmission mechanisms, etc., can solve problems such as the decrease of friction coefficient of friction pads, difficulty in guaranteeing service life, and affecting driving safety, so as to improve the friction coefficient , maintaining stability and maintaining thermal conductivity
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[0066] Example 1: Preparation of high friction coefficient brake pads
[0067] 1. Raw material composition (calculated by weight percentage):
[0068] Polyacrylonitrile fiber 15%, hybrid reinforcing fiber 15%, zirconium silicate 7%, magnesium oxide 7%, antimony sulfide 3%, graphite 6%, molybdenum disulfide 4%, foam iron powder 8%, light calcium carbonate 16 %, barium sulfate 12%, resin 7%.
[0069] Among them: the hybrid reinforcing fiber is a mixture of aramid pulp, glass fiber and mineral fiber in a weight ratio of 1:2:4.
[0070] The resin is liquid cashew nut shell liquid modified phenolic resin.
[0071] 2. Preparation method:
[0072] Dry mix the other raw materials except resin uniformly to obtain the mixture. Spread the mixture flat on the screen with a thickness of 1cm. The mesh of the screen is smaller than the particle size of the mixture to ensure that the mixture will not Leak through the screen.
[0073] Use absolute ethanol as the solvent to dilute the resin to a concentr...
Example Embodiment
[0075] Example 2: Preparation of high friction coefficient brake pads
[0076] 1. Raw material composition (calculated by weight percentage):
[0077] Polyacrylonitrile fiber 8%, hybrid reinforcing fiber 20%, zirconium silicate 10%, magnesium oxide 5%, antimony sulfide 5%, graphite 5%, molybdenum disulfide 5%, foam iron powder 10%, light calcium carbonate 12 %, barium sulfate 15%, resin 5%.
[0078] Among them: the hybrid reinforcing fiber is a mixture of aramid pulp, glass fiber and mineral fiber in a weight ratio of 1:2:4.
[0079] The resin is liquid cashew nut shell liquid modified phenolic resin.
[0080] 2. Preparation method:
[0081] Dry mix the other raw materials except resin uniformly to obtain the mixture. Spread the mixture flat on the screen with a thickness of 1cm. The mesh of the screen is smaller than the particle size of the mixture to ensure that the mixture will not Leak through the screen.
[0082] Use acetone as the solvent to dilute the resin to a concentration of...
Example Embodiment
[0084] Example 3: Preparation of high friction coefficient brake pads
[0085] 1. Raw material composition (calculated by weight percentage):
[0086] Polyacrylonitrile fiber 15%, hybrid reinforcing fiber 10%, zirconium silicate 5%, magnesium oxide 10%, antimony sulfide 2%, graphite 10%, molybdenum disulfide 2%, foam iron powder 5%, light calcium carbonate 20 %, barium sulfate 11%, resin 10%.
[0087] Among them: the hybrid reinforcing fiber is a mixture of aramid pulp and mineral fiber in a weight ratio of 1:4.
[0088] The resin is liquid cashew nut shell liquid modified phenolic resin.
[0089] 2. Preparation method:
[0090] Dry mix the other raw materials except resin uniformly to obtain the mixture. Spread the mixture flat on the screen with a thickness of 1cm. The mesh of the screen is smaller than the particle size of the mixture to ensure that the mixture will not Leak through the screen.
[0091] Use absolute ethanol as the solvent to dilute the resin to a concentration of 25%...
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