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SWDRT250 DTH Drilling Rig


Наличие: В наличии
SKU
SWDRT250

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Consists of integrated down-the-hole drilling rigs,full hydraulic open-pit drill carriages,multifuctional cutting drilling rigs, ground screw drilling rigs, down hhole rock drill jumbos ect. It is widely used in construction such mining projects as cement, metallurgy, coal mines, quarries, etc., and such new energy projects as railways and highways, water conservancy and hydropower, national defense construction and housing contruction.

Travelingcapability

Product Description
Main parameters   SWDRT250 SWDRT250H
Drilling method   DTH and roller-bit drilling Roller bit
Operation parameters      
Diameterof roller-bit drilled hole mm 230〜250 220〜270
Diameterof DTH drilled hole mm 165-200 —
Drillingdepth m 48 48
Drilling angle (optional) o 60 〜90 60 〜90
Rock hardness   f4 〜20 f4 〜20
Type of bit   DTH and roller bits Roller bits
Drill pipe diameter mm 133、 159、 194 194、 219
Drill pipe length m 10mX5 10mX5
Air compressor      
Discharge pressure bar 25/17 7
Air rate m3/min 29.8 36
Engine power kW 328 220 (motor)
Diesel engine     Dieselengine + motor
Model   Cummins QSM11-C400 Cummins QSB7-C187
Power/rate of rotation kW/rpm 298/2100 140/2050+110+90
Fueltankvolume L 1500 400
Propulsion
Length of drill stand m 15 15
Propulsion stroke m 11.4 11.4
Propulsion speed m/min 45 45
Propulsion kN 220 290
Axial pressure kN 270 340
Liftingspeed m/min 63 63
 Travelingcapability
Traveling speed km/h 2 2
Gradeability օ 20 20
Ground pressure kPa <100 <100
Slewing
Rate of rotation rpm 0 〜160 0—120
Torque kNm 11 13.8
Power kW 110 110
 Overall dimensions
Total weight kg 55000 80000
LXWXH (when the drill stand is level) m 17X5.8 17X5.8
LXWXH (when the drill stand is upright) m 13X5.8X 17 15 X5. X 17