Tungsten carbide cutter is specially designed with an upper cutter and a lower cutter for applying to mask making machine. According to the experts, the quality of tungsten carbide upper and lower cutters is affected by many factors. Wherein, the change of various process parameters during the sintering process has a great impact on the quality of the cutter. And the performance of cutter is determined by the materials such as the binder and the base material. Besides, the cleanliness of the particle surface and particle size also affect cutter’s performance.
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Tungsten carbide cutter for producing mask making machine is a tungsten carbide-based hard alloy containing Co, which has high hardness, toughness, wear resistance and good thermal conductivity. Co as a binder and solvent can significantly improve the sintering degree of the cutter and thereby enhancing the strength of the cutter. However, the content of Co must not be too high, otherwise the wear resistance of the cutter will be affected and the service life of the cutter will be shortened.
