Non-metallic Friction Material for Automobile Disc Brake and Its Application
A disc brake and friction material technology, applied in the direction of friction linings, other chemical processes, chemical instruments and methods, etc., can solve the problem of high cost of NAO type friction materials, low friction coefficient, poor thermal stability, high temperature resistance organic fiber price High cost and other problems, to achieve the effect of excellent thermal recession performance, excellent thermal recession performance, and reduced friction coefficient
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Embodiment 1
[0027] A non-metallic friction material for an automobile disc brake, the friction material is composed of the following proportions in terms of mass fraction: 8 parts of phenolic resin; 20 parts of mineral fiber; 2 parts of carbon fiber; 2 parts of aramid fiber; 10 parts of ceramic fiber 6 parts of calcium whiskers; 12 parts of barium sulfate; 3 parts of friction powder; 6 parts of vermiculite powder; 11 parts of graphite; 3 parts of coke powder; 1 part of carbon black; 8 parts of metal sulfide; 4 parts of tire powder; 4 parts.
[0028] Among them, barium sulfate is used as filler.
[0029] Its preparation method is as follows:
[0030] (1) After weighing the raw materials sequentially according to the above proportioning ratio, the raw materials are mixed evenly with a dry mixer to obtain a mixture, which is stored for subsequent use;
[0031] (2) After weighing the mixture obtained in step (1), put it into a mold preheated to 160±5°C, pressurize and hold the pressure at 1...
Embodiment 2
[0037] A non-metallic friction material for an automobile disc brake, the friction material is composed of the following proportions in terms of mass fraction: 7 parts of phenolic resin; 25 parts of mineral fiber; 1.5 parts of polypropylene fiber; 6.5 parts of ceramic fiber; 10 parts of calcium whisker 12 parts of barium sulfate; 3 parts of friction powder; 8 parts of vermiculite powder; 11 parts of graphite; 1 part of carbon black; 11 parts of metal sulfide; 2 parts of tire powder; 2 parts of molybdenum sulfide.
[0038] Among them, barium sulfate is used as filler.
[0039] Its preparation method is as follows:
[0040] (1) After weighing the raw materials sequentially according to the above proportioning ratio, the raw materials are mixed evenly with a dry mixer to obtain a mixture, which is stored for subsequent use;
[0041] (2) After weighing the mixture obtained in step (1), put it into a mold preheated to 160±5°C, pressurize and hold the pressure at 15Mpa for 3 second...
Embodiment 3
[0047] A non-metallic friction material for an automobile disc brake, the friction material is composed of the following proportions in terms of mass fraction: 7 parts of natural rubber; 18 parts of mineral fiber; 5 parts of aramid fiber; 7 parts of glass fiber; calcium whisker 6 parts; barium sulfate 12 parts; friction powder 3 parts; vermiculite powder 6 parts; graphite 11 parts; coke powder 5 parts; carbon black 1 part; metal sulfide 11 parts; tire powder 4 parts; molybdenum sulfide 4 parts.
[0048] Among them, barium sulfate is used as filler.
[0049] Its preparation method is as follows:
[0050] (1) After weighing the raw materials sequentially according to the above proportioning ratio, the raw materials are mixed evenly with a dry mixer to obtain a mixture, which is stored for subsequent use;
[0051] (2) After weighing the mixture obtained in step (1), put it into a mold preheated to 160±5°C, pressurize and hold the pressure at 15Mpa for 3 seconds, release the pressu...
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