Top hammer longhole drill rigs
DL422i
- Boom coverage
- 4 m
- Hole length
- Up to 54 m
- Tramming type and distance
- Hydrostatic transmission (diesel) QSB4.5 (119 kW Tier 3)
Sandvik DL422i is a fully automated, top hammer longhole drill, designed for underground mass mining in 4 x 3.5 meter (H x W) or larger production drifts. It drills vertical and inclined fans and single or parallel longholes up to 54 m in depth.
Features
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Digital solutions
DrillConnect mobile application, drill plan management and data transfer (included in Platinum package) ensure better process control and operations optimization.
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Automatic drill bit changer
Part of the one-hole and fan automation offering, the automatic bit changer allows autonomous drilling of complete fans through shift changes. Revolver-type carousel capacity is 5 to 10 bits.
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Optimized working environment
DL422i has a modern, ergonomic cabin for maximum operator comfort, with improved visibility and reduced noise level.
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Readiness for AutoMine® for Underground Drilling
AutoMine® for Underground Drilling is a tele-remote system enabling an operator to remotely control and simultaneously supervise a single or multiple automated Sandvik underground drills, in drilling and ring to ring tramming.
Learn more about DL422i features
Up to 20% higher equipment utilization
Teleremote drilling allows for continuous and unmanned operation during shift changes and breaks, increasing productivity and equipment utilization.
Intelligent drilling control system
Adaptive drilling for improved performance, allowing new technology implementation during product lifetime.
ZR35 telescopic boom
Fully instrumented boom with electronic parallelism provides accurate positioning and stability during drilling for hole accuracy.
Powerful HF1560ST rock drill
DL422i offers up to 10% more drilled meters per shift, improving speed and efficiency.
Platinum automation package
Automated production drilling allows drilling cycles repetition with speed and precision, for maximized productivity (optional).
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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