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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)
DL422i Longhole drill rig

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

Product specifications

Boom coverage
4 m
Hole length
Up to 54 m
Tramming type and distance
Hydrostatic transmission (diesel) QSB4.5 (119 kW Tier 3)
Hole diameter
76 - 127 mm
Boom type
Frame, horseshoe
Drift size (H x W)
4 x 3.5 m
Rod length
1.22 - 1.83 m (4.00 - 6.00 ft)
Drilling power
HPP1590 (90 kW)
Controls type
iSOLO / SICA (Sandvik Intelligent Control System Architecture)
Automation and teleremote availability
One hole automation, Fan automation (option), Teleremote drilling (option)
Weight
32,000 kg (depending on options)
DL422i Longhole drill rig

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). 

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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."

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