Hydraulic rock drills and drifters
High-performance hydraulic rock drill
Doofor DF430S is a high-frequency rock drill made for general excavations, mining, quarrying, and bolting. Suitable drill steels are 25mm and 28mm extension and drifter steels. The rock drills are equipped with a separate side flushing box. Flushing can be done with air or with water.
The DF430S rock drill can be equipped with a male R23, R25 or R28 shank adapter (striker bar).
|Percussion power||5 kW|
|Percussion pressure||120 bar|
|(oil flow)||(45 litres/min)|
|Rotation motor*||20,0 cm3|
|Speed max.||200–300 rpm|
|Oil flow max.*||10–15 litres/min|
|Lubrication||Air-oil mist, min. 125 g/h|
|Flushing air pressure||max. 12 bar|
|Flushing air flow||700-1200 litres/min|
|Flushing water flow||15–30 litres/min|
Feed force (pressure) must be adjustable during operation
*) Numbers given are for standard rotation motor (20cm3) with an intermittent pressure of 140bar [2031psi]. Motor options are 12.5cm³, 20 cm³, 32cm³, 40cm³. For professional use only as a component of a hydraulic system.