Top hammer longhole drill rigs
DL421
- Boom coverage
- 3 m
- Hole length
- Up to 54 m
- Tramming type and distance
- Hydrodynamic transmission (diesel) B4.5 (110 kW, Stage IIIA)
Sandvik DL421 is a versatile longhole drill rig engineered for large-scale production drilling in underground mines. It is designed for vertical and inclined plane rings and fans, as well as parallel long production holes and long single holes.
Features
-
360° drilling module rotation
With 360° boom rotation and wide tilt angle, DL421 offers good usability in a wide variety of drilling applications.
-
Drilling accuracy
Instrumentation and automation provide accurate drilling data for maximum accuracy and performance.
-
Safe working environment
The carrier is designed for good visibility and stability, ensuring safe tramming in mine drifts. The FOPS/ROPS cabin, or FOPS canopy (option), protects the operator from hazards.
-
Readiness for AutoMine® Single Drill level
AutoMine® Single Drill level is a tele-remote system enabling an operator to remotely control a single drill, in drilling and ring to ring tramming.
Product specifications
- Boom coverage
- 3 m
- Hole length
- Up to 54 m
- Tramming type and distance
- Hydrodynamic transmission (diesel) B4.5 (110 kW, Stage IIIA)
- Hole diameter
- 64 - 115 mm
- Boom type
- Frame, horseshoe
- Drift size (H x W)
- 3.6 x 3.6 m
- Rod length
- 1.22 - 1.83 m (4.00 - 6.00 ft)
- Drilling power
- HPP1590, 90 kW
- Controls type
- TAS
- Automation and teleremote availability
- One-hole automation (option), Fan automation (option), Teleremote drilling (option)
- Weight
- 22,000 kg (depending on options)
Learn more about DL421 features
Proven CAN control system
This control system allows set-ups for any rock conditions in up-and-down-hole drilling. It offers a user-friendly operating interface and continuous data collection for productivity improvement, ensuring accuracy and speed in feed and rotation control.
Interactive fault-finding system
The fault-finding system reduces downtime, which increases productivity and efficiency.
Related Products and Services
Parts and components
Rock drills
Rock drills are a highly demanding component to design and manufacture. With decades of dedication and engineering work we have developed our rock drills for harsh conditions and heavy-duty work.
Technology
Remote monitoring service
Remote monitoring service uses intelligent technology that enables the prevention and prediction of breakdowns before they happen.
Home
Services
We offer different type of service agreements and on demand services that can be adapted to suit the support you require – helping you to maintain your fleet in the optimal way.
Improve efficiency, profiltability and operator safety
Software systems that help you monitor your machines, giving you a full overview of your fleet and enabling you to control and optimize your operations.
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