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Since when the welded water well drilling tools cooperate with the air pressure to drill into the soft coal seam, the spiral fins are prone to cracking, de-welding, and wear resistance, which leads ...
According to the requirements of the drilling process and the particularity of the drilling site, the drilling rig has different characteristics from general machinery, which can be summarized as fo...
Many customers have called through our website to inquire about the loud noise of the DTH drill pipe powerhead and what to do with the old vibration. So today we will explain how the DTH drill pipe ...
Geological drill pipes are widely used in engineering, and there are many types of geological drill pipes on the market. So what common sense should we know when purchasing? Today, I will tell you a...
If the pressure is too low, the penetration efficiency of the rock drilling will be reduced, the drill bit assembly will be loosened, the energy transmitted by the drill set will be lost, and a larg...
1. Resistance: To unlock when there is resistance to drilling, it is very important that the drill bucket provides resistance for unlocking. 2. Lifting the powerhead: The function of lifting the p...