Robbins 53RH C: Raiseboring Machine - Atlas Copco Madagascar

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Robbins 53RH C: Raiseboring Machine

Lina Jorheden

+254 (0) 703054000

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The Robbins 53RH C is an unique multipurpose raise drill, able to perform upwards boxhole boring as well as conventional raise boring, without any modifications to the drive assembly. The Robbins 53RH C is of low profile design which gives it the most application flexibility in restricted environments.


Features & benefits

  • Main gear box features two float boxes for easy switch between raise and boxhole mode.
  • Motor in offset position for low profile design
  • The system prevents human errors by built in interlocks. Standard functions include anti-jamming, auto makeup and gradual ramp up of power at the start of pilot drilling and reaming.

Technical description



Technical data

Operational data - Derrick
Raise diameter, nominal1.8 m
Raise diameter, range1.2 - 2.4 m
Raise lenght, nominal490 m
Raise lenght maximum650 m
Reaming thrust3350 kN
RPM, pilot0 - 35 rpm
RPM, reaming0 - 9 rpm
RPM, reaming (reduced torque)9 - 15 rpm
Bailing air (@ 7bar/100 psi)18 m³/min
Bailing, water600 l/min
Electrical power supply (50/60 Hz)260/298 kW / 350/400 HP
Electrical voltage (50/60 Hz)380-1000 V
Electrical frequency50 - 60 Hz
Electrical power requirement (50/60 Hz)317/363 kVA
Drill pipe diameter286 mm
Drill pipe diameter optional254 mm
Drill pipe length s/s750 mm
Pilot hole diameter311 mm
Pilot hole optional diameter279 mm
Cooling water (at 25ºC / 77°F inlet temperature)80 l/min
Measurements & weights - Derrick
Height extend2900 mm
Height retracted2900 mm
Width piploader included3140 mm
Depth1820 mm
Weight15000 kg
Weight pipeloader included15720 kg
Drill angle (from horizontal)90-60 ºangle
Measurements & weights - Drive pack
Length3055 mm
Height1640 mm
Width1500 mm
Weight4100 kg
Measurements & weights - Thrust pack
Length2300 mm
Height1540 mm
Width1400 mm
Weight2200 kg
Performance
Maximum torque, reaming156 kNm
Maximum torque, break out 190 kNm
Stroke1143 mm
Dimensions
Width2200 mm
Traverse rate, fast traverse rate1.8 m/min
Traverse rate, feed rate0.6 m/min

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Lina Jorheden

+254 (0) 703054000

Send an email