Tungsten Carbide Indexable Cutting Tools Basic Knowledge

Now, tungsten carbide indexable cutting tools are using chemical vapor deposition method to depositing titanium carbide, titanium nitride, alumina hard layer or composite hard layer. The developping physical vapor deposition method not only can be used for the carbide cutting tools, but also can be used for high speed steel cutting tools, like drill bits, hobbing cutter, screw tap, milling cutter and so on. As a barrier for chemical diffusion and heat conduction, hard coating makes cutter-wear rate slower. Compared with no coating blade, the life of coating blade may improve more than 1-3 times.

Due to the application in high temperature, high pressure, high speed, and corrosive fluid medium parts, it is more and more difficult to machine materials, and the increasing demands for the automatic level of cutting process and machining precision. In order to adapt to this situation, the manufacturer should do something as follows: first of all, the development direction of cutting tools will use the new cutting tool matrials; second, to further develop vapor deposition technologies of cutting tool and higher hardness of the coating on the high strength and high wear resistance base would solve the problem between hardness and strength of cutting tools;third, to further develop the structure of tungsten carbide indexable cutting tools; fourth, to omprove the machining precision and reduce the difference between the product’s quality to make the use of cutting tools realize optimization.


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