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Cat Top Hammer Drill for Tough Applications

28 CAT 150Even in granite-like conditions the new Cat MD5150C Top Hammer Drill is out-performing down-the-hole rigs, according to the company, with its higher productivity and much lower fuel consumption – while achieving comparable hole straightness. Cat drill customer Iron Mountain Quarry, located south of St. Louis, reports that overall productivity is almost double a competitor’s DTH drill. This productivity is achieved with the powerful Cat HPR6832 hydraulic rock drill, the new carousel rod changer and the efficient Cat C11 Engine.

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Robit Technology Measures Borehole Straightness While Drilling

54-DB1-150Robit said it is the first company in the world to develop a patented measuring system that can measure the straightness of a hole during the percussive drilling process. The system is the result of an intensive, seven-year R&D program at Robit and is in operation at selected customers.

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