Robbins 44RH C Rail: Raiseboring Machine - Atlas Copco Libya

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Robbins 44RH C Rail: Raiseboring Machine

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+202 46100337/8

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The Robbins 44RH C Rail mounted machine has an erection sled with retractable wheels that add flexibility to transportation on track or towing on ground. The power pack has built in wheels for transportation on tracks as well. The low build design makes it a perfect machine for mines with low roof height.


Features & benefits

  • The integrated roof stingers and the small footprint requires a smaller drilling pad and fewer tie down
  • Power management. If there are limitations on site, this feature monitors the outtake of the machine and limits it to a pre-set value
  • The ground loading pipeloader offers safe and efficient pipe handling

Technical description



Technical data

Operational data - Derrick
Raise diameter, nominal1.5 m
Raise diameter, range1 - 1.8 m
Raise lenght, nominal340 m
Raise lenght maximum610 m
Reaming thrust2000 kN
RPM, pilot0 - 49 rpm
RPM, reaming0 - 16 rpm
RPM, reaming (reduced torque)16 - 25 rpm
Bailing air (@ 7bar/100 psi)13 m³/min
Bailing, water450 l/min
Electrical power supply (50/60 Hz)165/190 kW / 221/255 HP
Electrical voltage (50/60 Hz)400-1 000 V
Electrical frequency50 - 60 Hz
Electrical power requirement (50/60 Hz)198/227 kVA
Drill pipe diameter203 mm
Drill pipe diameter optional254 mm
Drill pipe length s/s750 mm
Pilot hole diameter229 mm
Pilot hole optional diameter279 mm
Cooling water (at 25ºC / 77°F inlet temperature)60 l/min
Measurements & weights - Derrick
Height extend3240 mm
Height retracted3240 mm
Width piploader included2500 mm
Depth1650 mm
Weight7500 kg
Weight pipeloader included7900 kg
Drill angle (from horizontal)90-60 ºangle
Measurements & weights - Power pack
Length3300 mm
Height1690 mm
Width1600 mm
Weight4700 kg
Performance
Maximum torque, reaming75 kNm
Maximum torque, break out 96 kNm
Stroke1235 mm
Dimensions
Width1650 mm
Traverse rate, fast traverse rate5.9 m/min
Traverse rate, feed rate3 m/min

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