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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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Robbins 53R

Raise Boring

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Fleet > Raisebore > Robbins 83R

Robbins 83RE

Specifications


Raise Diameter up to 4.0m
Raise Length 500 meters
Pilot Hole Diameter 13¾" or 15" Tri-cone bit size
Drive Single speed, constant power, induction motor.
Drive Type Electric
Drive Speeds 32 rpm
Ream Speeds 8 rpm
Pilot Thrust 158 tonnes at 24 mpa
Reaming Pull 517 tonnes at 27.5 mpa
Weight 23,000 kg
Transport Means Sled (self erecting)
Vertical Drilling 4.5m (retracted) / 6.7m (extended)
Dip Angle Limit Vertical to 60º from horizontal
Power Requirements 450 kVA at 415 volts, 3 phase, 50Hz
Water Consumption 56 litres per second. Water is recycled through settling sumps.