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200*25*32 corundum grinding wheel 200 white corundum grinding wheel green silicon carbide wheel multi optional mesh

price:USD$25.45
discount 70% in 2018-09-21 to 2018-09-23
price: USD$ 17.81
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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 Diameter 200MM, thickness 25MM, aperture 32MM

 1: Zong Gangyu (A) features: high hardness, toughness. Application: suitable for grinding of medium and high tensile strength metal materials, such as general carbon steel, alloy steel, malleable cast iron, hard bronze, etc..

 
  2: white corundum (WA) features: hardness is higher than brown corundum, particle size is easy to break, sharp edge, good cutting performance, grinding heat is small, etc.. Application: it is suitable for grinding of steel with hard material and strong heat sensitivity. Such as quenched steel, high carbon steel, general high speed steel, alloy steel and other grinding. Mainly used for tools, cutting tools, moulds, gear, screw, thin-walled parts such as grinding and grinding of the.
 
3: green silicon carbide (GC) characteristics: high hardness, brittleness, abrasive sharp, good thermal conductivity. Application: it is suitable for carbide cutting tools, workpieces and non-ferrous metals, non-metallic grinding.

 

 The thicknesses of the grinding wheel mesh represents a larger number of grinding wheel the finer grain size, surface roughness and productivity related. Coarse grinding, the grinding allowance, the surface roughness value is large, coarse grain should be selected. Because of coarse grit and large porosity, the grinding depth can be larger, and the grinding wheel is not easy to block and heat. In fine grinding, the allowance is small, the roughness value is low, and the finer abrasive particles are selected. Generally speaking, the finer the abrasive grains, the better the grinding surface roughness. What size is appropriate?