Preparation method of fiber reinforced curved surface friction material
A friction material and fiber-reinforced technology, which is applied in the field of preparation of curved surface friction materials, can solve problems such as complex preparation methods, and achieve the effects of simple methods, good flexibility, and improved toughness
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Embodiment 1
[0022] (1) Weigh a total of 2.5kg of short fibers, which are respectively 0.2kg of acrylonitrile-based carbon fiber, 0.2kg of aramid fiber, 0.5kg of mineral fiber, 0.8kg of glass fiber, and 0.8kg of calcium sulfate whisker; 0.826kg of non-reactive phenolic resin; weighed a total of 1.7kg of friction performance regulators, which were respectively graphite 0.3kg, aluminum oxide 0.2kg, chromite powder 0.3kg, and fluorite powder 0.9kg; weighed a total of 2.8kg of fillers, respectively 0.8kg of diatomite, 0.9kg of barium sulfate, 1kg of black rubber powder, and 0.1kg of carbon black; add the weighed powdery raw materials into the high-speed mixer in turn, and start the equipment for mixing;
[0023] (2) After the dry blending is evenly mixed, transfer to the kneading equipment, open the equipment, add 4.831 kg of phenolic resin-ethanol solution with a phenolic resin content of 45% and knead repeatedly;
[0024] (3) After all the materials are kneaded evenly, spread them at the ent...
Embodiment 2
[0029] (1) Weigh a total of 3kg of short fibers, respectively 0.2kg of aramid fibers, 0.5kg of calcium sulfate whiskers, 0.5kg of wood fibers, 1kg of glass fibers, and 0.8kg of mineral fibers; weigh 0.826kg of powdery resin, powdery nitrile Rubber 0.9kg; weigh a total of 1.6kg of friction modifiers, which are graphite 0.2kg, aluminum oxide 0.2kg, chromite powder 0.3kg, fluorite powder 0.9kg; 0.6kg of soil, 0.8kg of black rubber powder, and 0.1kg of carbon black; add the weighed powdery raw materials into the high-speed mixer in turn, and start the equipment to mix;
[0030] (2) After the dry blending is mixed, transfer to the kneading equipment, open the equipment, add phenolic resin-ethanol solution 4.348kg with a phenolic resin content of 50% and knead repeatedly;
[0031] (3) After all the materials are kneaded evenly, spread them at the entrance of the double-roller rolling equipment, and lead out thin sheet materials at the exit, with a thickness of 0.8mm;
[0032] (4) U...
Embodiment 3
[0036] (1) Weigh 3 kg of short fibers, respectively 0.2 kg of acrylonitrile-based fiber, 0.2 kg of aramid fiber, 0.2 kg of pitch-based carbon fiber, 0.8 kg of glass fiber, 0.8 kg of mineral fiber, and 0.8 kg of calcium sulfate whisker; Resin 1.226kg, powdery nitrile rubber 0.9kg; Weigh a total of 1.4kg of friction modifiers, respectively alumina 0.2kg, graphite 0.1kg, fluorite powder 0.8kg, chromite 0.3kg; Weigh a total of 1.3 kg of fillers kg, respectively 0.5kg of diatomite, 0.6kg of black rubber powder, and 0.2kg of cashew nut shell oil friction powder; add the weighed powdery raw materials into the high-speed mixer in turn, and start the equipment for mixing;
[0037] (2) After the dry blending is evenly mixed, it is transferred to the kneading equipment, the equipment is opened, and the phenolic resin-ethanol solution 3.953 kg with a phenolic resin content of 55% is added in portions and kneaded repeatedly;
[0038] (3) After all the materials are kneaded evenly, spread t...
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