Подшипник конического дробления

In summary, the 20mm drill rod is a vital component of modern drilling technology, valued for its versatility, efficiency, and compatibility with various applications. Its unique characteristics enable it to excel in multiple industries, including mining, construction, and environmental assessment. As technology continues to advance, the development and optimization of drill rods like the 20mm will undoubtedly play a crucial role in shaping future drilling practices. By understanding the benefits and applications of these rods, professionals can make informed decisions that enhance productivity and efficiency in their respective fields. Whether for geological exploration or construction projects, the 20mm drill rod proves to be an indispensable tool in the modern engineer's arsenal.


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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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