Tungsten Carbide Cutting Tools Profile

With the development of industry, the use of increasingly difficult materials for processing efficiency requirements are also rising. Development of tungsten carbide cutting tools have a direct impact on improving productivity and processing quality. Material composition and structure as well as the geometry is to determine the performance of the three elements of tungsten carbide cutting tools, tungsten carbide cutting tools material properties which plays a key role.

tungsten carbide is a high hardness, refractory metal tungsten carbides (WC, TiC, etc.) micron-sized powder using Co, Mo, Ni, etc. as a binder and sintering of powder metallurgy products. Its high-temperature high-speed steel tungsten carbide content exceeds allowable cutting temperatures up to 800 ~ 1000 ℃, hardness at room temperature of 89 ~ 93HRA; at 540 ℃ when 82 ~ 87HRA, with the high-speed steel hardness at room temperature (83 ~ 86HRA) identical; 760 ℃ When the hardness of 77 ~ 85HRA, and has good chemical stability, heat resistance advantages. tungsten carbide cutting speed of up to 100 ~ 300m / min, far more than high-speed steel, high speed steel life is several times to several times. More than 90 percent in developed countries and more than 55 percent of the turning cutter tungsten carbide materials are used, the proportion of current use is still increasing. In addition, it is used to manufacture cemented tungsten carbide drills, milling cutters, gear cutters, reamers and other complex tools, tungsten carbide its excellent performance is more occasions alternative to other tool materials, has now become the main tool material one.


 

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