Atlas Copco Robbins 97RL

D.C. Drive 300 kW (400 HP)

Connected power
Mains supply 415 volts, 50 Hz, 650 kVA
Diesel Genset supply 750 kVA unit with appropriate Load Bank

Compact design
4.4 m extended height
(plus 400 mm if beams required)

Pilot thrust
500 kN (115,000 lbs)

Reaming thrust
6,700 kN (1,500,000 lbs)

Reaming torque
450 kN m (332,000 ft lbs)

Pilot Drilling speed
0 – 68 rpm variable

Reaming speed
0 – 16 rpm variable

Transporter
sled with inbuilt erection device

Spreader beams to allow hole break through
(if required)

Air consumption
23 m³/min @ 7 bar

Cooling system
closed circuit glycol

Water consumption for pilot drilling
approximately 900 litres/min
which is recirculated via sumps

Raiseborer weight
32 tonnes