Page 12 DIAMOND TOOLS Glass industry - Issued November 2020 by KGS DIAMOND Grits Bonds Diamond consists of pure carbon in a crystalline structure. For grinding tools, the diamonds used are generally synthetic, produced at very high temperatures under high pressure. The grit size data for diamond is based upon the average grit diameter in μm. A coarse grit size increases stock removal and surface roughness of the workpiece. Choosing the right grit size depends on various factors: the application, the material, the tool drive, wet (water, lubricant) or dry grinding (general rule use wet). Grit size KGS DIAMOND has flexible diamond tools available in metal and resin bond versions. Metal bond - Metallic bond of nickel deposit by special electroplating process, mainly used for coarse and medium grits and operations, which require high material removal. This process starts as metallised fabric. The pattern is electroformed using nickel plating. Diamond is sprinkled on, and plating continued to the required specification. Resin bond - Mainly used for finer grits and polishing. Continuous layer of resin. Diamond is all the way through the resin. Product must be “opened up” before optimum performance. All grits are colour coded (industry standard) Mesh 50 60 120 200 400 500 800 1500 3000 Fepa P60 P80 P120 P220 P400 P500 P600 P2500 Micron 301 250 125 74 40 30 20 9 3 50 60 120 200 400 500 800 1500 3000 Stock removal Grinding Polishing Finishing Product construction KGS flexible diamond tools are made of 3 main elements: grit, bond and backing. Various combinations of these elements offer many possibilities to meet industrial needs with the highest efficiency.
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