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Rock Drill RD 22U

Rock Drill RD 22U

Straight forward hydraulic rock drill for underground production drilling applications.

Technical Specifications

Dimensions and Weight
Weight 180 Kg (396 Ib)
Length (without shank adapter) 1008 mm (3 ft 6.6 inch)
Height 235 mm (9.25 inch)
Width 272 mm (10.7 inch)
Rotation Ratings
Motor size 160 cc
Rotation torque, max 1050 Nm (958 Ibf-ft)
Rotation speed 0 - 215 rpm
Rotation pressure, max 210 bar (3,045 psi)
Oil consumption, max 75 I/min (2.6 cfm)
Impact Ratings
Impact power, max 22 kW (29.5 hp)
Impact frequency 53 Hz
Input power to rock drill, max 37 kW (49.6 hp)
Drill pressure 220 bar (3190 psi)
Drill oil flow 105 I/min (3.71 cfm)
Flushing Flow and Pressure
Flushing water pressure, max 25 bar (362.6 psi)
Lubricating air consumption 7 I/s - 3 bar (14.8 cfm - 43.5 psi)
Flushing water consumption 40 - 120 I/min (1.4 - 4.3 cfm)
Drilling Parameters
Rod size T45 (T38)
Hole range 64 - 102 mm (2 - 4 inch)
Optimum hole dimension 76 mm (3.71 inch)
Accumulator Charge Pressure
Intake 90 bar (1305 psi)
Return Atm.
Hose Sizes
Percussion hose 3/4 inch
Drain hose 3/8 inch
Rotation hoses 3/4 inch
Flushing hose 1 inch
Lubrication hose 3/8 inch
Percussion return hose 1 inch

Atlas Copco, Epiroc, Tamrock, Sandvik, Furukawa, Montabert

or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.