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1. Construction principle of water well drilling tools: Drilling a pilot hole is to use directional drilling equipment to start directional drilling at the entrance. During the drilling process, the...
Before and after the construction of the water well drilling tools, do not carry out the maintenance of the machinery and equipment to prevent unnecessary troubles before the construction of the pro...
Drill pipe is a tool for connecting drifter bit and rock drilling in roadway engineering. Drill pipe commonly used in mine roadway engineering is hexagonal hollow steel and hollow round steel. The d...
Three wrong operations occur during the use of water well drilling tools: When using water well drilling tools, we must eliminate the torque, push and pull force of the drilling rig, and allow the...
The rock drilling principle of the DTH Hammer is the same as that of the heavy-duty rock drill. It is intermittently impacting the rock (ore) and it rotates continuously. The difference is the impac...
A drill pipe is a tool for connecting drill bit and rock drilling in roadway engineering. Drill pipe commonly used in mine roadway engineering is hexagonal hollow steel and hollow round steel. The d...