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Narrow Reef Drill



DESIGN & BUILD

CUSTOMER: SANDVIK

Narrow Reef Drill

The "Reef Drill" was a product designed and engineered by MEDATECH to tackle a specific problem in the gold mining industry. The gold, where this machine was to be used, was found in a "vein" or "reef" that is very narrow but also very concentrated.   Previous methods of mining this gold consisted of blasting a very large amount of rock and soil, which would result in a lot of excess overburden that would need to be filtered through to retrieve the gold. The Reef Drill was designed to focus on drilling out the gold, and basically collect the "cuttings".


In the design phase, the precision and accuracy of the drill positioning system was of paramount importance. The distance to be drilled was to be over 30 meters, with the gold vein being only 30cm or less wide. Drill mast angular tolerances were required to be in the fractions of a degree to remain in the gold vein through the entire drilling stroke. Precision ballscrews were used to position and feed the drill. The precision ballscrews allowed us to very accurately control the position of the drill mast, as well as maintain a compact package.


MEDATech Engineering designed and engineered the rail cart, mast positioning system, and the drilling mast. We also designed and engineered the hydraulic system used to drive the positioning and drilling motors. 

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