| 500 Series Technical Parameter |
| Technical parameter | UNIT | ST500S | SL500S | SL550S |
| Max drilling depth | M | 500 | 500 | 550 |
| Drilling diameter | mm | 105-400 |
| Air pressure | Mpa | 1.2-3.5 | 1.2-3.5 | 1.2-3.5 |
| Air consumption | m³/min | 16-55 |
| Drill pipe length | m | 6 |
| Drill pipe diameter | mm | 102 |
| Axial pressure | T | 6 |
| Lifting force | T | 28 | 30 |
| Fast lifting speed | m/min | 29 | 33 |
| Fast feeding speed | m/min | 48 | 55 |
| Max rotary torque | Nm | 10000/5000 | 11000/5500 |
| Max rotary speed | r/min | 75/150 | 90/180 |
| Big auxiliary winch lifting force | T | - |
| Small auxiliary winch lifting force | T | 1.5 |
| Jacks stroke | m | Low Outrigger | 1.6 | 1.6 |
| Drilling efficiency | m/h | 10-35 |
| Moving speed | Km/h | 5 | 3 | 3 |
| Uphill angle | Slope | 21° |
| Weight | T | 10.5 | 10.5 | 12 |
| Dimension | m | 6.4×2.1×2.8 | 6.2×1.85×2.55 | 6.4×2.1×2.65 |
| Working condition | Unconsolidated formation and rocks |
| Drilling method | Top drive hydraulic rotary and pushing hammer or mud drilling |
| Matched DTH hammer | Medium and high air pressure series |
| Optional accessories | Mud pump, centrifugal pump, generator, foam pump |
Complaint
