Tunnel consolidation drilling rig DU211-T

multifunctioncrawlerdown-the-hole

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. Easy access for servicing This production drill has been designed to provide easy access to service points from ground level. This ensures safe and fast maintenance and increases productivity. Heavy-duty slide-over The heavy-duty single slide-over mounted on the front section of the carrier frame has a 305 mm lateral movement, ensuring operation flexibility and accuracy in positioning and alignment of the feed. Robust and stable carrier DU211-T has a robust tracked carrier with sealed, lubricated track chains. It is equipped with four carrier jacks – each with 381 mm extension. The carrier is designed for good stability, which ensures safe and fast tramming in narrow mine drifts.