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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...
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 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...
In addition to the correct choice of carbide grade, the efficiency of the submersible impactor is influenced by several factors, the main one being that the DTH hammer can be seen with careful obser...
Although the threaded drilling tool is designed to be used in a variety of drilling conditions, the following factors have a significant impact on the proper operation of the tool. 1. Drilling flu...
The threaded drill pipe is used to connect the drilling rig surface equipment to the grinding equipment or bottom holes device at the bottom of the well. of internal and external pressure, twisting,...
