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
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360° drilling module rotation
With 360° boom rotation and wide tilt angle, DL421 offers good usability in a wide variety of drilling applications.
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Drilling accuracy
Instrumentation and automation provide accurate drilling data for maximum accuracy and performance.
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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.
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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.
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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, profitability 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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