Sonic drilling employs a high frequency, rotary vibratory drill that is designed to fluidize, overburden, and fracture rock faces. This process results in seamless casing advancement or continuous core samples that can be accessed without the application of drilling fluids.
[pdf] During use, the hydraulic rock drill may experience various failures, such as leakage, stuck drill, and no impact. Upon detecting a fault, promptly cease machine operation for inspection, identifying the cause, and addressing it immediately.
[pdf] On September 13, New Concept Mining (NCM), a division of Swedish company Epiroc, opened its Hydraulic Rock Drill (HRD) production facility in Aeroton, Johannesburg. NCM is a ground support solutions supplier based in South Africa.
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