The benefits of RC Drilling Tools 2021-04-16

RC drilling has clear advantages over other top hammer drilling methods. Achieves greater penetration in hard rock than air core drilling, thanks to the percussive force and the strength of the RC drill bit. Provides greater sample accuracy, and cuttings are easy to catalogue. The col...

How is reverse Drilling Applied? 2021-04-11

RC drilling is consisted of Reverse Circulation (RC) bit and Reverse Circulation (RC) hammer, commonly employed in open-cut mines and used for pit grade control and in delivering useful insight for mine planning and blasting. It has an optimal depth of between 300-500 metres...

How does Reverse Circulation Drilling Work? 2021-04-01

Reverse circulation drilling, or RC drilling, is a form of percussion drilling that uses compressed air to flush material cuttings out of the drill hole in a safe and efficient manner. Thanks to the benefits enjoyed by this method, it’s become a popular technique in mining exploration and ...

How to select the best DTH drilling bits 2021-03-05

DTH bits are manufactured to match the shank and diameter of the DTH hammers. The bodies of quality bits are precision machined from alloy steel, heat treated to a specified hardness, providing surface compression for fatigue resistance, and then fitted with precision carbide buttons. &nbs...

How to match the hammer to the correct pipe diameter 2021-03-12

Pipe diameter should be close to the hammer diameter to provide optimum flushing, reducing the chances of getting stuck in the hole.   Key features to look for in high-quality DTH pipes are durability, accuracy and manageability. Pipe (tubes) made from cold-drawn tubing provide a supe...

How to choosse the correct top hammer drilling tools 2021-03-20

The wide range of applications and drilling conditions suitable to down-the-hole (DTH) drilling tools pneumatic percussion technique requires consideration of more than one type of tool to drill efficiently and profitably. A variety of factors, from hammer size to determining whether ...