High-performance hydraulic rock drill
Doofor DF538L is a hydraulic drifter for general excavations, tunneling work, and mining. Typical applications include narrow vein jumbos and excavator drill attachments. 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 air.
The Doofor DF538L is designed to drill up to 57 mm diameter drill holes in hard rock.
|Percussion power||13 kW|
|Percussion pressure||110-140 bar|
|(oil flow, typical)||(65-85 litres/min)|
|Rotation motors*||2*32 cm3|
|Speed max.||250 rpm|
|Oil flow*||2*15 litres/min (max 2*25 litres/min)|
|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 max.||40 litres/min|
AIR / WATER
*) 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.