SWDRT250

Technical Parameters

• Main parameters
  Drilling method

  DTH/Rotary; Rotary

  Type of power

  Diesel

  Dust collector

  Dry(standard) water mist(optional)

  Rotary hole diameter

  180-216; 200-230; 200-250; 200-250 mm

  DTH hole diameter

  180-230; 180-255 mm

  Maximum hole depth

  48 m

  Drilling angle(Optional)

  60-90 °

  Rock hardness

  f4-f20

  Tube diameter

  140, 159, 178, 194 mm

  Tube length

  10m×5 m

• Air compressor
  Working pressure

  20; 25; 8; 7 bar

  FAD

  31.1; 36.5; 43; 38 m³/min

  Power

  372/1800; 410/1800; 340/1800; 264/2100 kW

• Power group
  Model

  X12

  Power rating

  277/2100 kW/rpm

  Fuel tank volume

  1800 L

• Feed system
  Drill frame length

  15 m

  Feed length

  11.6 m

  Feed length

  11.6 m

  Feed rate

  30 m/min

  Feed force

  220 kN

  Maximum bit load

  270 kN

  Retract speed

  45 m/min

• Carrier
  Tramming speed

  1.8 km/h

  Gradeability

  ≤20 °

  Ground pressure

  ≤95 kPa

• Rotary head
  Rotation speed

  0-160 rpm

  Torque

  11.8 kNm

  Power

  90 kW

• Dimension
  Weight

  65000~70000 kg

  LxWxH（ Work ）

  17×5.9×6.6 m

  LxWxH（ Transportation ）

  12.5×5.9×17.5 m