Hydraulic rock drill DF540L
category:
Hydraulic percussion rock drills

Hydraulic rock drill DF540L

Średnica otworu [mm]

64

Moc [kW]

14

Doofor DF540L is a hydraulic rock drill designed for bolting, general excavations, and underground production drilling. The DF540L has a very low overhead, only 82.5 mm from the drill center line. The rotation motor of the DF540L can be installed on the right-hand or the left-hand side. The drifter is completely horizontally symmetric so that it can be installed in a variety of positions.

Flushing media can be water or air. The patented DF540L is an excellent bolting hammer with its low physical length and rugged, powerful rotation mechanism.

The rock drill can be equipped with male R32, R38 and T38.

This rock drill can be equipped with stainless steel, separated flushing head for underground mining, bolting and grouting (BLT-version), which can also use female FR28 and FR32 shank adapters. Conversion from DF540L to DF540L-BLT is possible with a field conversion kit.

Optimal maximum hole diameter for the DF540L is 64 mm.

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  • Nominal power class 20 kW
  • Percussion pressure 150 bar
  • Percussion oil-flow (110-130 litres/min)
  • Rotation motor* 160 cm3
  • Speed max. 250 rpm
  • Torque* 975 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
  • Flushing air flow 4000 litres/min
  • Flushing water flow 150 litres/min
  • Weight 152 kg

*) Numbers given are for standard rotation motor (80 cm³) at an intermittent pressure of 275 bar [3989psi]. Motor options are 80 cm³, 100 cm³, 125 cm³, 160 cm³, 200 cm³, 250 cm³. For professional use only as a component of a hydraulic system.

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