DL421 Longhole drill rig
Sandvik DL421 is an electro-hydraulic, longhole drill rig engineered for large-scale production drilling in underground mines. This versatile rig has been designed for vertical and inclined plane rings and fans, as well as parallel long production holes and long single holes with a diameter of 64 to 115 millimeters (2 ½ to 4 inches), and a depth of up to 54 meters (177 feet).
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- Boom with 360° rotation and wide tilt angle for good usability in many drilling applications
- Instrumentation and automation provide accurate drilling data for maximum performance and accuracy
- CAN-based control system allows set-ups for any rock conditions in up- and down-hole drilling
- Interactive fault-finding system reduces downtime