The drill and blast method is a widely used technique in mining operations, particularly in hard rock mining. This process involves two key components: drilling holes into the rock formation and subsequently blasting the rock to facilitate its fragmentation. Drill patterns are meticulously designed to optimise the blasting process, considering factors like rock type, size, and desired fragmentation. The drilling phase utilises specialised equipment to bore holes into the rock, where explosives a

66K views · 289 reactions | Rebuilding equipment saves money and contributes to sustainable business. Ishak Parinding, maintenance coordinator at PT Rajawali, entrusts the Sandvik workshop in Balikpapan, Indonesia, with rebuilding the contractor’s surface drill rigs. | Sandvik Mining | Facebook

Our new RD1735 Rock Drill is being tried and tested in tough ground conditions with the Barminco team at Sunrise Dam, Australia. Featured on the DL422i top hammer longhole drill, with Sandvik Rock Tools, the RD1735 trial has seen productivity improvements of 25% in penetration rates, increased tube life by 10% and improved maintenance requirements. Watch and hear directly from Barminco to learn about the safety, productivity and longevity improvements that are producing major cost savings. #unde