The Doofor DF538L-BLTG Rock Drill is a Hydraulic Drifter for Grout Injection, Tunneling work, and Underground Mining.
The typical applications include Narrow Vein Jumbo's.
The Doofor DF538L-BLTG Rock Drill has two rotation motors for High Torque.
The rotation gear is robust and durable for Surface and Underground Mining use.
The DF538L-BLTG Rock Drill is equipped with a single-piece flushing box with grease lubricated flushing seals and multiple flushing leak indicator channels. 
In addition to grouting fluids, flushing can also be done with water or air.
The Doofor DF538L-BLTG is designed to drill up to 57 mm diameter drill holes in hard rock.
 
MAIN APPLICATIONS ARE:
Underground Mining
 
 
TECHNICAL SPECIFICATIONS:
Nominal power class
13 kW
Percussion pressure
110-140 bar
(Percussion oil-flow)
(65-85 litres/min)
Rotation motor*
2*32 cm3
Speed max.
250 rpm
Torque*
295 Nm
Oil flow*
2*15 litres/min (max 2*25 litres/min)
Gear ratio
57/22
Lubrication
Air-oil mist, min. 150 g/h
Flushing air pressure.
5-7 bar
Flushing air flow
1500-2500 litres/min
Flushing water pressure
12 bar
Flushing water flow
40 litres/min
Weight
83 kg
*) Numbers given are for two standard rotation motors (32 cm³) with an intermittent pressure of 140 bar [2031psi]. Motor options are 8 cm³, 12.5 cm³, 20 cm³, 32 cm³, 40 cm³ and 50 cm³. For professional use only as a component of a hydraulic system.
 
NOTE: The feed force (pressure) must be adjustable during operation.
The rotation torque and oil flow values given are for a typical rotation motor.
See the full brochure for detailed information on different rotation motors.
The percussion pressure mentioned is a recommended value for a typical application. The product is intended for professional use by skilled personnel.
Doofor reserves all rights for changes without prior notice.