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Mining Industry

2. Percussive Drills These drills utilize a hammering action to break rock apart, making them effective for hard materials. They are often used for both surface and underground mining operations.

Conclusion

Exploring the Importance of Water Well Drilling The Case for Sustainable Water Solutions

Implications for Exploration

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The roller drill uses the rolling action of the roller bit to break the rock and is suitable for drilling holes of 150 ~ 440 mm in diameter on the hard rock. It has the advantages of high efficiency and low labor intensity, and is widely used in large and medium-sized open-pit metal mines. The drill consists of an impactor (or drill bit), a rotary mechanism, a lifting mechanism, a pressure device, a walking mechanism, a slag discharge system, a drill frame and a drill pipe. Rotary drilling machines are only suitable for drilling softer minerals and coal.

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