Pantograph carbon slide plate and preparation process thereof
A pantograph carbon sliding plate and a technology for the preparation process, applied in the field of carbon sliding plates, can solve the problems of poor wear resistance, poor wear resistance, electrical contact performance, etc., and achieve improved structural toughness, expansion performance, and fire resistance. Effect
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Embodiment 1
[0025] A pantograph carbon slide plate, the raw materials used in the pantograph carbon slide plate and the mass percentages are: 50 parts of graphite powder, 50 parts of corundum, 10 parts of carbon fiber, 20 parts of petroleum coke coarse powder, petroleum coke fine powder 20 parts, 10 parts of high alumina bauxite, 10 parts of pitch binder, 5 parts of coal tar pitch, 5 parts of copper powder and 5 parts of wollastonite powder, the graphite powder is a mixed powder of graphite and carbon black, and the mixing ratio is 1 : 2, the order number of described graphite powder is 80 orders, and the resistivity of described graphite powder is 80 μ Ω · m, and the content of alumina in described corundum is greater than 98.0%, and the order number of corundum is 45 orders, and described petroleum coke The mesh number of the coarse powder is 80, the mesh number of the petroleum coke fine powder is 350 mesh, the content of alumina in the high alumina bauxite is greater than 80.0%, the co...
Embodiment 2
[0033] A pantograph carbon slide plate, the raw materials used in the pantograph carbon slide plate and the mass percentages are: 70 parts of graphite powder, 70 parts of corundum, 15 parts of carbon fiber, 30 parts of petroleum coke coarse powder, petroleum coke fine powder 30 parts, 15 parts of high alumina bauxite, 15 parts of pitch binder, 10 parts of coal tar pitch, 10 parts of copper powder and 10 parts of wollastonite powder. The graphite powder is a mixed powder of graphite and carbon black, and the mixing ratio is 1:2, the mesh number of the graphite powder is 00 mesh, the resistivity of the graphite powder is 100 μΩ·m, the content of alumina in the corundum is greater than 98.0%, the mesh number of the corundum is 460 mesh, the petroleum The coarse coke powder has a mesh number of 100 mesh, the petroleum coke fine powder has a mesh number of 400 mesh, the content of alumina in the high alumina bauxite is greater than 80.0%, the content of calcium oxide is less than 0....
Embodiment 3
[0041] A pantograph carbon slide plate, the raw materials used in the pantograph carbon slide plate and the mass percentage are: 60 parts of graphite powder, 60 parts of corundum, 13 parts of carbon fiber, 25 parts of petroleum coke coarse powder, petroleum coke fine powder 25 parts, 13 parts of high alumina bauxite, 13 parts of pitch binder, 8 parts of coal tar pitch, 8 parts of copper powder and 8 parts of wollastonite powder. The graphite powder is a mixed powder of graphite and carbon black, and the mixing ratio is 1:2, the mesh number of the graphite powder is 90 mesh, the resistivity of the graphite powder is 90μΩ·m, the content of alumina in the corundum is greater than 98.0%, the mesh number of the corundum is 50 mesh, the petroleum The coarse coke powder has a mesh number of 90 mesh, the petroleum coke fine powder has a mesh number of 380 mesh, the content of alumina in the high alumina bauxite is greater than 80.0%, the content of calcium oxide is less than 0.6%, and ...
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