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RUC Cementation Mining Contractors is able to supply a range of Raise Boring equipment, with the expertise and experience to tackle any project, anywhere in the world.

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Box Hole Boring

Robbins 53R

Raise Boring

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Fleet > Box Hole > Robbins 53R

Robbins 53RH

Specifications

 

Raise Diameter 1.1m - 1.8m
Blind Box Hole Dia 1.1m - 1.8m
Raise Length 60 meters (Blind Box Hole)
Pilot Hole Diameter 12¼" Tri-cone bit size
Drive -
Drive Type Hydraulic Drive
Drive Speeds 2 - 13 rpm
Ream Speeds 4 - 26 rpm
Pilot Thrust 150 tonnes
Reaming Pull 340 tonnes at 27.5 MPA (max)
Weight 12,000 kg
Transport Means Sled
Vertical Drilling 2.9 m (retracted) / 3.65 m (extended)
Dip Angle Limit 90º to 45º from horizontal
Power Requirements 190 kW, 256 kVA
Water Consumption 8 litres per second (Blind Box Hole) and 40 litres per second (Raiseboring). Water is recycled through settling sumps.