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- Full hydraulic drilling and tunnelling drilling rig series
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Down the hole drill series
KQD70B electirc down the hole drill
introduction and Parameter:
KQD70B electric down the hole drill
High efficiency energy saving electric down the hole drill
Based on motor turning effect,economic, efficient and energy-saving.
Used the straight tooth transmission reducer,big rotary torque,high drilling efficiency.
Novel overload protection,make the drill stable and reliable operation.
| Hole diameter（mm） | 60-80 |
| Hole depth（m） | ≥15 |
| Rotary speed(rpm） | 0-125 |
| Working pressure（MPa） | 0.5~0.7 |
| Steel rod specification（mm） | 40x1000 |
| Capacity（m^3/min） | ≥3.5 |
Elevating power（N） | 4000 |
| Remarks: Electromotor | （3kW） |