SANDVIK DU211-T―IN-THE-HOLE LONGHOLE DRILL RIGS
Sandvik DU211-T is a compact ITH longhole drill designed for underground mining in 3.5 x 3.5 m or larger production drifts. It is capable of drilling vertical and inclined fans and single or parallel Ø89 – 254 mm (3½” – 10”) longholes up to 100 m in depth, using 3” to 8” in-the-hole hammers and Ø76 – 127 mm (3” – 5”) pipes. The DU211-T can also be used for reaming up to Ø17½” (445 mm) holes in rapid raising using 12” hammers.
The DU211-T is track mounted and equipped with the RH6230 top drive, CF706-F feed with fixed centralizer, HS110 horizontal single slideover and ERIS drilling control panel. The 360° feed rotation, wide slideover and feed tilt angles make the unit suitable for most mining methods and various service support applications. The CAN based drilling control system and drilling instrumentation ensure good control of the drilling operation.
The layout of the 6200N tracked carrier is designed for good stability, ensuring safe tramming in narrow mine drifts. All service points are accessible from ground level.