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Hydracore Gopher Underground Drill

HYDRACORE GOPHER DRILL

Hydracore Gopher Drill is made for mines where a lot of short holes need to be drilled quickly. This simple high productive drill can be driven by an electric motor for underground and dam applications or by a man portable diesel engine.

The simplicity and reliability of this drill make it both user friendly and versatile for short hole exploration projects.

The Hydracore Gopher Underground drill is made for mines where a lot of short holes need to be drilled quickly. Like all Hydracore machines this drill is made much simpler than sorne other machines that can accomplish the same work, which makes it reliable and also reduces maintenance costs. This simplicity does not come at the expense of productivity. Most other drill designers do not strive for this simplicity. lt is difficult to achieve, but it is worth it. Through our long experience we have achieved unmatched simplicity and reliability.

Hydracore Gopher Underground Drill

CAPACITY

  • A size1500 feet (requires a larger winch)
  • B size900 feet

DRILL HEAD

  • Motor DisplacementRPM ... Torque
  • Maximum410 ... 670 ft-lbs.
  • Minimum1800 ...140 ft-lbs.
  • Weigh350 lbs.

Speed/ Torque is continuously variable between maximum and minimum values. More torque is available in reverse for rod breaking, because the reverse pressure is set at the intermittent pressure of the system of 5000 psi and the maximum pressure in forward is only 2500 psi.

FOOT CLAMP

  • OperationGas accumulator closed
    Hydraulic opened
  • Axial Thrust8.000 lbs.
  • CapacityAO to BO
  • N° of jaws2
  • Maximun Rod Size3 3/8"
  • Weight90 lbs.

DRILL SLIDE FEED CYLINDER

  • Maximum Pull6.500 lbs. at 2700 psi
  • Maximum Thrust6.500 lbs. at 2700 psi
  • Stroke60 1/2"
  • Length105"

POWER PACK

  • Electric Motor480 V 3-PHASE 50HP TEFC
  • Main Pump 55ccGMP at 3500 psi
  • Feed Pump1/2 GPM at 500 psi from small outlet
    1 1/2 GPM at 500 psi from large outlet
  • Hydraulic Tank14.5 Gallons (US)
  • CoolingWater cooled, 1 heat exchanger

OPTIONS

20 GPM 1000 psi Water Pump Hydraulic (General T81).
45 GPM 1000 psi Water Pump Hydraulic (Cat 3545).
Wireline Hoist 900 foot Capacity.
Wireline Hoist 2000 foot Capacity.
Hydraulic Mud Mixer.

WEIGHTS

  • Drill Head350 lbs.
  • Foot Clamp80 lbs.
  • Drill Feed Frame373 lbs.
  • Complete Drill On Base4000 lbs.