Sandvik introduces largest top hammer drill rig
With the arrival of the very first Pantera™ DP1600i, customers in southern Africa can now expect to drill larger holes of up to 178 mm using a top hammer drill rig. The end result is a significant reduction in fuel consumption and total drilling costs compared to down-the-hole (DTH) drilling. That top hammer drills have always been limited in terms of hole sizes is no overstatement. To provide context, the previous Pantera™ DP1500i – Sandvik’s legacy machine – could only drill holes up to 152 mm in diameter, and anything beyond that would traditionally call for a ...
Source: miningweekly.com