Sandvik Offers Radio Remote-Controlled Drill Rig
Published: Tuesday, 28 October 2014 19:27
Sandvik Construction added a completely new radio remote-controlled drill rig to its surface top hammer drill rig offering. Engineered from its conception to combine all the best features in one unit – drilling performance with high hole quality, easy maintenance and excellent maneuverability, as well as attractive exterior – the Dino DC400Ri is ready to take the lead in surface drilling excellence.
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Vari-Stem Contains Explosive Energy Within Rock Mass
Published: Monday, 18 August 2014 10:25
Vari-Stem Plugs work by creating a blocking effect within the drill hole by wedging the stemming material between the drill hole wall and plug. Upon detonation of the explosives, the plug is forced upward into the stemming material and "locks up." The explosive gases and energy are prevented from traveling (venting) up through the drill hole, and instead are contained within the rock mass for milliseconds longer than non-plugged blasts.
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