Development drill rigs
DD422i
- Coverage
- 60 m²
- Hole length
- 3.44 - 5.88 m
- Tramming type and distance
- Hydrostatic transmission - Diesel engine - QSB4.5 (119 kW Tier 3 Stage IIIA ) Hydrostatic transmission - Diesel engine - TCD2.2 (55 kW, Tier 4F, Stage V)
Sandvik DD422i has the widest range of automatic drilling functions, able to achieve reduced over-breaking with maximized pull-out per blast. It’s the ideal choice for underground mine development and small-scale tunneling.
Features
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Optimized working environment
Optimize your operator’s comfort with a modern, ergonomic cabin, designed to improve visibility while reducing noise levels.
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TFX telescopic feed
In limited spaces where both long and short rods are required, the TFX telescopic feed allows multipurpose drilling. Bolt hole drilling, face drilling, bolt installation and cross-cuttings are all possible.
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Dual controls
The dual controls option allows true multipurpose usage of the drill, improving fleet optimization, versatility and performance. DD422i can be used across multiple applications.
Product specifications
- Coverage
- 60 m²
- Hole length
- 3.44 - 5.88 m
- Tramming type and distance
- Hydrostatic transmission - Diesel engine - QSB4.5 (119 kW Tier 3 Stage IIIA ) Hydrostatic transmission - Diesel engine - TCD2.2 (55 kW, Tier 4F, Stage V)
- Hole diameter
- 43 - 64 mm
- Number of booms
- 2 x SB60 / SB60i
- Drift size (H x W)
- 4.5 x 4.5 m
- Feed length
- Fixed TF500 12 to 20 ft. or telescopic TFX 6-12 ft. to 10-16 ft.
- Rock drill
- RD525 25kW
- Voltage
- 380 - 1,000 V (multi voltage)
- Controls type
- SICA (Sandvik Intelligent Control System Architecture)
- Weight
- 26,000 kg (depending on options)
Learn more about DD422i features
Drill bit changer
Drill a full round, without leaving the cab to manually change the bit, with Sandvik's patented drill bit changer available through automation upgrade package. Reduce dependency on bit life while drilling and improve operator safety by limiting the time they spend in front of the drill.
Boom collision avoidance system
Reduce possible collision risks with another boom or carrier with the new boom collision avoidance system. Reduce boom damages, improve productivity and maintain consistent production rates through the system's dynamic route recalculation.
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.
Electrification
More productive, powerful and better for workers' health
"Every mine has a capital purchase or a maintenance replacement coming up in the next few years, and they would be missing out if they decided not to investigate or pursue battery-electric technology." Jeff LaMarsh, Mine Superintendent, New Afton
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