Easer L: Mobile Raiseboring Machine - Atlas Copco Lebanon

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Easer L: Mobile Raiseboring Machine

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+961 1 876782

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Easer L is designed to drill opening holes in block cave, sub level caving and sub level stoping mines, can also be used for precondition holes, pastefill tube holes and media holes. works in drifts of 4,5m x 4,5m, ±0.5m, making holes up to 750 mm in diameter, 0-60 meters long (box hole and down reaming), Pilot 9” and conventional up to 1200 mm in diameter 0-200 meter long, using a 8 inch drill string. It has a drill angle from vertical: minimum range 90-60° all directions.


Features & benefits

  • Versatility. The Easer can drill both upwards and downwards as a traditional raiseborer but the Easer does not need of the concrete platform.
  • Productivity. Getting that first blast through and with a large easer hole to blast against the risk of “freeze” the ground is significantly reduced.
  • Accuracy. The raiseboring method with mechanical rock excavation has a hole deviation which is less than 1%

Technical description



Technical data

Performance
Raise diameter, boxhole750 mm
Raise diameter, down reaming750 mm
Raise length, boxhole60 m
Raise length, down reaming60 m
Maximum torque, reaming40 kNm
Maximum torque, break out 50 kNm
Maximum torque, pilot20 kN
Reaming thrust600 kN
Stroke1724 mm
Traverse rate, feed rate2 m/min
Traverse rate, fast traverse2 m/min
Bailing water400 L/min at 25 bar
Dimensions
Width2828 mm
Height tramming34350 mm
Length tramming11536 mm
Ground clearance250 mm
Turning radius, outer4600 mm
Turning radius, inner7950 mm
Drill pipe diameter203 mm
Drill pipe length1219 mm
Drill pipe thread6-3/4” DI22
Pilot hole diameter229 mm
Weights
Total35620 kg
Drilling unit side25820 kg
Engine side9800 kg

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Customers' Request

+961 1 876782

Send an email