Top hammer longhole drill rigs
DL331
- Boom coverage
- 7 m
- Hole length
- Up to 23 m
- Tramming type and distance
- Hydrostatic transmission (diesel) TCD2012 (74 kW Tier 3, Stage IIIA, Canmet, China 2)
Sandvik DL331 is a top-hammer longhole drill engineered for work in underground mining drifts with cross sections of 3 x 3 m or larger. This one-man-operated rig is capable of drilling vertical and incline plane rings and single or parallel longholes.
Features
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High drilling performance
The drilling control system is fitted with feed-controlled percussion for optimal drilling performance and accuracy. Instrumentation for hole alignment and measurement ensures excellent performance.
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Safe operations and working environment
The carrier is designed for good visibility and stability, ensuring safe tramming in mine drifts.
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Easy maintenance
DL331 has an operating and maintenance interface designed for easy access and safe operation. All service points are accessible from the ground level.
Product specifications
- Boom coverage
- 7 m
- Hole length
- Up to 23 m
- Tramming type and distance
- Hydrostatic transmission (diesel) TCD2012 (74 kW Tier 3, Stage IIIA, Canmet, China 2)
- Hole diameter
- 51 - 76 mm
- Boom type
- Versatile
- Drift size (H x W)
- 3 x 3 m
- Rod length
- 1.22 - 1.83 m (4.00 - 6.00 ft)
- Drilling power
- HPP555, 55kW
- Controls type
- THC561, hydraulic controls
- Automation and teleremote availability
- None
- Weight
- 15,500 kg (depending on options)
Learn more about DL331 features
360° drilling module rotation
With 360° drilling module rotation and wide boom swing and tilt angles, DL331 is suitable for most mining methods and various service support applications.
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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.
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