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At present, there are four main types of endface designs for high-pressure DTH hammer: endface convex type, endface flat type, endface concave type and endface deep concave center type. 1、Convex end f...
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,...
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...
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...