Some differents between chemical abrasives-alumina oxide

- Feb 26, 2018 -

Is the most commonly used abrasive Alumina (A) and white Alumina (WA), followed by black silicon carbide (C) and green silicon carbide (GC), and the rest of the commonly used and chromium corundum (PA), single crystal corundum (SA), microlite corundum, zirconium corundum (ZA) (MA).


Corundum grinding wheel: the brown corundum hardness, toughness, suitable for grinding high tensile strength metal, such as carbon steel, alloy steel, malleable cast iron, hard bronze, etc., this kind of abrasive grinding performance is good, wide adaptability, often used for removal of larger allowance for coarse grinding, cheap, can be widely used.


White corundum grinding wheel: the white corundum hardness is slightly higher than that of brown fused alumina, toughness is lower than brown fused alumina, when grinding, abrasive easily broken, as a result, the grinding heat is small, suitable for manufacturing fine grinding hardened steel, high carbon steel, high speed steel with the grinding wheel and grinding thin-walled parts, the cost is higher than brown fused alumina.


Black silicon carbide grinding wheel: black silicon carbide is brittle and sharp, hardness is higher than white corundum, suitable for grinding materials with low mechanical strength, such as cast iron, brass, aluminum and refractory materials.


Green silicon carbide grinding wheel: the hardness brittleness of green silicon carbide is higher than that of black silicon carbide, and the abrasive grain is sharp and has good thermal conductivity. It is suitable for hard and brittle materials such as hard alloy, optical glass and ceramics.

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