Underground core drilling rigs

The Boyles C5/C5C surface core drilling rig is compact, yet powerful. Its compact design makes it easy to position and transport, even by helicopter. During helicopter transport, the rig is broken dow. [pdf]

Atlas copco l8 drill rig specs

The new breed of D-T-H crawler drill for pre-splitting and production drilling. Hole diameters 110-165 mm (45/16" – 61/2") Atlas Copco’s new ROC L8 is a high production down-the-hole crawler with ample power to de-liver high penetration rates and deep holes.. The new breed of D-T-H crawler drill for pre-splitting and production drilling. Hole diameters 110-165 mm (45/16" – 61/2") Atlas Copco’s new ROC L8 is a high production down-the-hole crawler with ample power to de-liver high penetration rates and deep holes.. risation and quarrying. th cab mounted monitor. May also be used for monitoring DVD • Ar . This new version of the proven ROC L series of down-the-hole crawler drills offers extended performance through increased operating pressure and a new genius cylinder feed system. Like the well proven ROC L8 it’s well suited for large-scale production work, pre-split operations, RC-in pit grade. . 2012 year model. ENQUIRY! Discover the Atlas Copco L8 surface drill rig, designed for high-efficiency drilling in demanding applications. . The new breed of D-T-H crawler drill for pre-splitting and production drilling. Hole diameters 110-165 mm (45/16" – 61/2") Atlas Copco’s new ROC L8 is a high production down-the-hole crawler with ample power to de-liver high penetration rates and deep holes. It has a rod handling capacity for hole. [pdf]

Mud pump used in drilling rig

Both high-pressure mud pumps are utilized on rigs to circulate the drilling fluidaround. Each type, however, has its operating limits,. . The speed of the piston is not constant during the suction and discharge strokes. During each stroke, the speed increases from zero to maximum at approximately the halfway position. . Mud pumps must be equipped with pressure relief valves. These valves prevent too high a pressure from being built up in the circulating system. The relief valves most. [pdf]