Well Drilling Rig, JR400

Well Drilling Rig, JR400 Well Drilling Rig, JR400

Our JR400 well drilling rig can be a perfect option for civil engineering, water well drilling, geothermal well drilling, and industrial construction drilling projects. This geothermal drilling rig is featured by compact structure, quick penetration, excellent adaptability, and high work efficiency.

Technical Specifications
Applicable rock hardness F=6-20
Drilling depth (m) 400-450
Drilling diameter (mm) ⌀110-325
Work pressure (mPa) 1.2-3.5
Air consumption (m3/min) 16-55
Drill rod length (mm) 3000-6000
Drill rod diameter (mm) ⌀89-114
Push pressure (t) 22
Lift force (t) 38
Support cylinder force (t) 50 (4 cylinders)
Support cylinder stroke (mm) 1500
Slide stroke (mm) 6600
Slow lift speed (m/min) 12
Slow push speed (m/min) 0-15
Fast lift speed (m/min) 20
Fast push speed (m/min) 35
Rotary motor output torque (N*M) 12500
Rotary motor output rotary speed (r/min) 60-120
Winch lifting force (t) 1.1
Drill efficiency (m/h) 10-30
Diesel engine brand and model YUCHAI 125HP (6 cylinders)
Diesel engine power and rotary speed 92kW/2200rpm
Walking speed (km/h) 2.5
Climbing ability degree (°) 21
Weight (t) 9.5
Overall dimensions (m) 4.0×1.85×2.45
Drilling method Constant pressure hydraulic rotation and propulsion, DTH percussive drilling
Supporting hammer Medium to high air pressure series
Air compressor KAISHAN
Air volume (m³) 35
Pressure (MPa) 30
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