The Doofor DF550L-THD Rock Drill is a high-frequency Hydraulic Rock Drill specially designed for industrial tap hole drilling.
The Doofor DF550L-THD Rock Drill has a very low overhead height of only 84mm from the drill center line.
The rotation motor of the DF550L-THD can be installed on the right-hand or the left-hand side.
The Doofor Rock Drill has a separated flushing box and heat-resistant sealing.
Flushing media can be water or air.
The DF550L-THD can be equipped with shank adapters (striker bars) R32, R38, and T38.
Optimal maximum hole diameter for the DF550L-THD is 76 mm.
 
SUITABLE APPLICATIONS:
Industrial
 
TECHNICAL SPECIFICATIONS:
 
Nominal power class
17 kW
Percussion pressure
160 bar
(Percussion oil-flow)
(90-120 litres/min)
Rotation motor*
125 cm3
Speed max.
250 rpm
Torque*
796 Nm
Oil flow*
40 litres/min (max 90 litres/min)
Gear ratio
65/40
Lubrication
Air-oil mist, min. 200 g/h
Flushing air pressure.
5-7 bar max.
Flushing air flow
4000 litres/min
Flushing water flow
150 litres/min
Weight
152 kg
*) Motor options are 80 cm³, 100 cm³, 125 cm³, 160 cm³ and , 200 cm³ (left-hand side only). Number given is for standard rotation motor (125 cm³) at an intermittent pressure of 275 bar [3989psi].
**) Number given is for standard rotation motor (125 cm³) at an operating pressure of 175 bar [2466psi].
The product is for professional use only, as a component of a hydraulic system.
 
NOTE: The feed force (pressure) must be adjustable during operation.
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.