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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...
How to improve the life of the DTH drill pipe? It is mainly considered from the production process, including forging, machining, heat treatment, surface strengthening, anti-corrosion treatment, etc...
Drilling for oil, gas, water, and other natural resources requires a wide range of basic tools and equipment to effectively complete projects. Drill pipe is one of the absolutely necessary tools for...
According to statistics, the total number of domestic DTH bit enterprises has exceeded more than 1,000 at present, and the competition is fierce, and the profits created by many construction teams a...
(1) Impact energy and impact frequency To improve the ROP, the impact energy and impact frequency should be increased. However, in the pneumatic impactor of the DTH hammer, impact power and impact...