Tungsten Carbide Blade Grinding Crack Prevention’s Reasons

Tungsten carbide blade’s high hardness, brittleness, poor thermal conductivity, heat shrink rate, should normally be carried out using diamond grinding wheel. But diamond grinding is expensive, difficult to repair wear and tear, so many factories still use ordinary grinding wheel. In the grinding process, because the higher hardness of tungsten carbide, the abrasive grains easily passivated ordinary wheel, intense friction surface the local temperature of the blade to form an additional thermal stress, can easily cause thermal deformation and thermal cracking, direct impact tool life and machining quality. 

Therefore, we should take the necessary measures to prevent tungsten carbide blade grinding cracks.

 

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