| Sandvik tunneling jumbos are designed to drill out the face quickly, accurately and efficiently. Built on tough diesel-driven carriers, they are electro-hydraulically powered and equipped with 2-4 booms, long feeds, extremely fast hydraulic rock drills and advanced drilling control systems. With face coverage areas from 10-200 m2, all booms and feeds have automatic parallel holding with quick look-out auxiliaries for accurate hole placement, optimal profiling and minimal overbreak. |
Sandvik DT series tunneling jumbos are robust, stable, extremely powerful drill rigs available in several models and a wide range of options. With strong, high-precision universal booms and advanced hydraulic rock drills, they are available with feed lengths of up to 6400 mm for longer rounds and greater tunneling economy. With many automatic auxiliaries and safeguards as standard, they are available with various levels of automation, including almost total computer control. |
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