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In-the-hole longhole drill rigs

DU412i

Parallel coverage
3.000 m
Longhole diameter
90 - 445 mm (4 - 18 in.)
Drill pipe length
1.22 - 1.83 m (4.00 - 6.00 ft)
DU412i Articulated in-the-hole production drill rigs

Sandvik DU412i is a fully automated in-the-hole (ITH) longhole drill fitted with an onboard booster, designed for mining in 3.2 x 3.2 meter or larger production drifts. Highly versatile and compact, it is capable of drilling vertical and inclined fans, and single or parallel longholes.

Features

Product specifications

Parallel coverage
3.000 m
Longhole diameter
90 - 445 mm (4 - 18 in.)
Drill pipe length
1.22 - 1.83 m (4.00 - 6.00 ft)
Drift size (H x W)
3.2 x 3.2 m
Drill pipe diameter
76 - 127 mm (3 - 5 in.)
Tramming type and distance
Hydrostatic transmission - Diesel engine - QSB4.5 (119 kW Tier3)
Drilling power
HPP755, 55 kW
Controls type
iSOLO / SICA (Sandvik Intelligent Control System Architecture)
Weight
30,000 kg
DU412i Articulated in-the-hole production drill rigs

Learn more about DU412i features

Highly versatile 

DU412i can be used for various drilling applications such as fans or parallel longholes for production, drainage and service holes, as well as holes for backfilling or pre-conditioning. Equipped with V30 reaming head, it can drill slot raising for production slots, ventilation raises, and ore passes. 

Data monitoring 

This ITH production drill provides on-screen drill plan handling, data transfer and integration into OptiMine remote monitoring. 

Electro-hydraulic air system 

The electro-hydraulic air system control allows effective use of different hammers and holes size.  

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