PCD(Polycrystalline diamond) cutting tools can outperform by carbide by a ratio 30-50times as well as it can get a better surface finishing than carbide. The best quality of sharpened edge of the PCD tools can achieve the excellent tool life which is certainly reduces the unit cost in present white-hot cutting tools market. MORESUPERHARD provide private custom PCD cutting, brazing and grinding solutions and services at first class. We also help resharpening and rebrazed the PCD machine tools at very good price. Surely, the effective PCD grinding wheels and grinding machines are our powerful core products which can match the EWAG, Coborn, MYTECH, Farman and any other PCD grinding machine perfectly because we can make different series grinding wheel for PCD with different grain sizes, area sizes, lengths, thicknesses, shapes, combined conditions with carbide substrate, as well as PCBN,CBN, CVD, MCD, ND, these superhard precision tools.
Because of PCBN has high hardness and wear resistance, do not react with iron group metals at high temperature of chemical inertness, so it is mainly used for high hardness material and machining of difficult-to-machine materials, such as hardened steel, high alloy wear resistant cast iron, high temperature alloy, high speed steel, surface spray welding materials, sintered metal materials machining difficult-to-machine materials.
How to select PCD tool? Generally speaking, the larger the PCD size, the stronger the tool wear resistance. Usually finishing or super finishing, the selection of fine particle PCD, and coarse particle PCD tool selection. Tool manufacturers often recommend the use of fine particle PCD grades for silicon-free and low-silicon aluminum alloys and the use of coarse-particle PCD grades for high-silicon aluminum alloys for the same reason. PCD tool processing surface quality in addition to see the granularity of the tool, also mainly depends on the quality of the cutting edge of the tool, so the quality of PCD tool must be better. PCD cutting edge common processing methods generally have two kinds, one is through the way of slow-feeding wire cutting processing, this way of processing cost is low, but the quality of the edge is general. And the other is through laser to rough machining, the cost is slightly higher, but the quality of the edge is much better than slow-feeding wire cutting processing. There is another is to use laser rough machining and then grinding to finish, the edge quality is best.
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