Well Drilling Rig, JR400
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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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