Hydraulic rock drills and drifters
High-performance hydraulic rock drill
Doofor DF538L is a hydraulic drifter for general excavations, tunneling work, and mining. The drifter is designed for 38mm extension- and drifter rods. The Doofor DF538L has two rotation motors for high torque. Rotation gear is robust and durable for surface and underground use.
The rock drill is equipped with a separated flushing box. Flushing can be done with water or with air.
The Doofor DF538L is designed to drill up to 57mm [2 ¼”] diameter drill holes.
|Percussion power||13 kW|
|Percussion pressure||100-130 bar|
|(oil flow)||(70-100 litres/min)|
|Rotation motor*||32 cm3|
|Speed max.||0-250 rpm|
|Oil flow max.*||50 litres/min|
|Lubrication||Air-oil mist, min. 75 g/h|
|Flushing air pressure||5–7 bar|
|Flushing air flow||700-1200 litres/min|
|Flushing water pressure||12 bar|
|Flushing water flow max.||40 litres/min|
Feed force (pressure) must be adjustable during operation
*) Numbers given are for standard rotation motors (2*32cm³) at a intermittent pressure of 140bar [2031psi]. Motor options are 12.5cm³, 20 cm³, 32cm³, 40cm³ and 50cm³. For professional use only as a component of a hydraulic system.