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1. Choice 1. Selection of mine drill head According to the nature of the rock, choose a suitable carbide bit. Generally speaking, the rock with high hardness selects the bit supplied by the alloy with...
In various mining or exploration industries, the drill bit used is a consumable production tool. The quality and life of the drill bit determine the working efficiency and operating cost of the drilli...
In the existing underground mine reconstruction and expansion projects in China, the degree of mechanized construction will be further increased, and the use of DTH rigs in open-pit mines and large-sc...