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Development Drill Sandvik DD320S
The Sandvik DD320S is a compact two-boom development drill designed for demanding underground mining conditions and a wide range of drilling applications. Suitable for face drilling, cross-cut drilling and bolt hole drilling, the rig combines proven boom technology with powerful rock drills to deliver high productivity and reliable performance.
Equipped with two 20 kW Sandvik RDX5 hydraulic rock drills and robust B26XLSF booms, the Sandvik DD320S provides a drilling coverage area of up to 41.4 m². Its advanced THC560 control system, efficient hydraulic package and durable carrier design ensure precise drilling, low operating costs and excellent serviceability in underground development operations.
Technical Specifications
| Parameter | Value |
|---|---|
| Machine Type | Two-boom development drill |
| Coverage Area | 41.4 m² (8,690 × 6,730 mm) |
| Hydraulic Rock Drills | 2 × Sandvik RDX5 |
| Percussion Power | 20 kW per drill |
| Drilling Feeds | TF500-12, TF500-14, TF500-16 |
| Maximum Hole Length | 4,660 mm |
| Drift Size Class (H × W) | 4,000 × 4,000 mm |
| Boom Type | 2 × B26XLSF |
| Control System | 2 × THC560 hydraulic control |
| Carrier | NC7S frame-steered carrier |
| Diesel Engine | Cummins QSB 4.5, 124 kW |
| Transmission | Hydrostatic |
| Maximum Tramming Speed | 12.5 km/h |
| Gradeability | 15° |
| Hydraulic Power Pack | 2 × HPP555, 55 kW |
| Hydraulic Oil Tank Capacity | 270 l |
| Water Pump Capacity | 150 l/min |
| Air Compressor | CTN9, 1 m³/min at 7 bar |
| Installed Electrical Power | 135 kW |
| Transport Width | 2,150 mm |
| Transport Height | 2,350–3,200 mm |
| Transport Length | 12,200 mm |
| Total Weight | 20,910 kg |
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