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Rotary technology combo triumphs in Australia

The combination of rotary and percussion drilling technology is producing some impressive results. MM spoke to Varel Mining and Industrial about its latest trials

Carly Leonida

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The RPS was installed on a Sandvik D90K blasthole drill for the trial

The RPS was installed on a Sandvik D90K blasthole drill for the trial

Varel has reported that in recent field trials comparing rotary percussion technology to conventional rotary drilling, it saw an increase of 79% in blasthole drilling penetration rates using the Varel...

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