SANDVIK DU431―IN-THE-HOLE LONGHOLE DRILL RIGS
Sandvik DU431 is a highly versatile and compact ITH longhole drill fitted with an onboard booster and designed for underground mining in 4 x 4 m or larger production drifts. It is capable of drilling vertical and inclined fans and single or parallel Ø89 – 203 mm (3½” – 8”) longholes up to 100 m in depth, using 3” to 6” in-thehole hammers and Ø76 – 127 mm (3” – 5”) pipes.
The DU431 is mounted on a 4-wheel drive frame-steered and diesel-powered carrier. It is equipped with the RH6230 top drive, CF706-F feed with fixed centralizer, CB48 telescopic boom, ERIS drilling control panel and operator’s safety canopy for maximum productivity, safety and hole accuracy. The 360° feed rotation, the 210° feed pivot swing, and the wide boom swing and tilt angles make the unit suitable for most mining methods and various service support applications. The CANbus based drilling control system with the user-friendly operating interface and various drilling instruments ensure good control of the drilling operation. The layout of the Aries carrier is designed for good stability, ensuring fast and safe tramming in mine drifts. All service points are accessible from ground level.
