Tungsten Carbide Porous Nozzle Factors I

First of all, the time of erosion has an influence on the efficiency of tungsten carbide porous nozzle for drilling. Generally, if erosion time is longer, the aperture, hole depth and the broken volume will increase. However, the raising trends will be different due to various types of nozzles. As tungsten carbide porous nozzle, with time goes by, the hole depth and broken volume will increasing remarkably at the beginning and tend to gently. It is proves that the principle of water-flow for rock cracking is a dynamic process and has obvious periodicity.

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