SANDVIK DU412I―IN-THE-HOLE LONGHOLE DRILL RIGS
Sandvik DU412i is a highly versatile and compact ITH longhole drill fitted with an onboard booster and designed for underground mining in 3.2 x 3.2 m or larger production drifts. It is capable of drilling vertical and inclined fans and single or parallel Ø3½” – 8½” (90 – 216 mm) longholes, using 3” to 8” ITH hammers and Ø3” to Ø5” (76 – 127 mm) drill pipes. The DU412i can be fitted with a V-30 head for Ø30” (762 mm) reaming in service support, or reaming up to Ø17½” (445 mm) holes with 12” hammers in rapid raising.
The DU412i is mounted on a frame-steered and diesel-powered carrier. It is equipped with the CF706-F feed, PC194 pipe handler, RH6250 rotation head, ZR35 telescopic boom and operator’s canopy or cabin for maximum productivity, safety and hole accuracy. The 360° drilling module rotation and wide boom swing and tilt angles make the unit suitable for mass mining and various service support applications. The iSOLO drilling control system with the user-friendly operating interface and various automation options allow maximum productivity and good drilling accuracy. The layout of the C400D carrier is designed for a good visibility and stability in tramming, and all service points are accessible from the ground level.
