Brake friction plate and preparation method thereof
A friction plate and brake technology, which is applied in the field of friction plate preparation, can solve the problems of short service life of the brake plate, unstable friction coefficient, and asbestos mineral performance degradation, etc., and achieves low wear rate, low manufacturing cost and low noise. Effect
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Embodiment 1
[0027] The first step is to prepare raw materials, 7 parts of 6602 resin, 3 parts of calcined coke powder, 2 parts of friction powder, 9 parts of heavy calcium carbonate, 3 parts of nitrile rubber powder, 12 parts of 195 graphite, 2 parts of mineral fiber, 0.5 parts of brown corundum 28 parts of steel wool, 20 parts of barium sulfate, 2 parts of cellulose fiber, 8 parts of magnetite powder, 3 parts of calcium sulfate whiskers, and 3 parts of mica.
[0028] The second step is to measure the water content of each raw material, and find that only the water content of the nitrile rubber powder is 1.8%, and the other water contents are all between 0.5%-1%. Put the nitrile rubber powder into an oven and dry until it contains The amount of water is 0.5%-1%, and the temperature of the oven is 70±5°C.
[0029] In the third step, each raw material is added into a raw material bucket, and then poured into a mixer and stirred for 15 minutes, so that they are evenly mixed.
[0030] The fo...
Embodiment 2
[0032] The first step is to prepare raw materials, 11 parts of YSM resin, 7 parts of calcined coke powder, 6 parts of friction powder, 9 parts of heavy calcium carbonate, 3 parts of nitrile rubber powder, 8 parts of 195 graphite, 6 parts of mineral fiber, and 0.3 parts of brown corundum 24 parts of steel wool, 16 parts of barium sulfate, 3 parts of cellulose fiber, 9 parts of magnetite powder, 4 parts of calcium sulfate whiskers, and 4 parts of mica.
[0033] Second step, measure the water content of each raw material, find that the water content of nitrile rubber powder is 2.0%, the water content of calcium sulfate whisker is 1.5%, other water content is all between 0.5%-1%, will nitrile The rubber powder and calcium sulfate whiskers are put into an oven and dried until the water content is 0.5%-1%, and the temperature of the oven is 70±5°C.
[0034] In the third step, each raw material is added into a raw material bucket, and then poured into a mixer and stirred for 20 minut...
Embodiment 3
[0037] The first step is to prepare raw materials, 10 parts of 6602 resin, 6 parts of calcined coke powder, 5 parts of friction powder, 6 parts of heavy calcium carbonate, 3 parts of nitrile rubber powder, 11 parts of 190 graphite, 5 parts of mineral fiber, and 0.6 parts of brown corundum 26 parts of steel wool, 20 parts of barium sulfate, 3 parts of cellulose fiber, 7 parts of magnetite powder, 3 parts of calcium sulfate whiskers, and 3 parts of mica.
[0038] The second step is to measure the water content of each raw material. It is found that the water content of steel wool is 1.4%, the water content of calcium sulfate whiskers is 1.5%, and the water content of other materials is between 0.5% and 1%. The calcium whiskers were put into an oven and dried until the water content was 0.5%-1%, and the temperature of the oven was 70±5°C.
[0039] In the third step, each raw material is added into a raw material bucket, and then poured into a mixer and stirred for 20 minutes, so ...
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