Description
Technical Specifications:
| Make: | PRL |
|---|---|
| Model & Type | PADR-20, Auger drilling rig |
| Capacity: PADR Drilling |
|
| Drill hole Diameter | 8’’ (203 mm) |
| Max Depth | 20 Meters |
| Auger Length | 6 feet |
| Carrier | Tractor 2-wheel drive |
| Make | Mahindra or any equivalent reputed Make |
| Engine Rating | 55 hp @ 1900 rpm |
| Prime Mover | The system shall be powered by the same tractor engine through suitable Power Take Off. |
| Mounting Structure | Electrically welded steel structure fitted to the tractor body. |
| Mast Assembly | Sturdy structural Channel mast structure electrically welded. |
| Mast overall length | 4600 mm |
| Rotary head travel | 1850 mm |
| Feed System | Direct Feed Mast |
| Feed cylinder Size & stroke | Dia 80 mm x Dia 50 mm x 1850 mm long. |
| Pull Back | 4500 Kg-f |
| Pull Down | 2800 Kg-f |
| Reeving Ratio | 1:1 Having adequate travel to handle drill pipes up to 1.8 meter Long. |
| Rotary Head Assembly (Top Head Drive) | Fabricated steel body |
| Torque | 180 kg-m |
| Rotation Speed | Spindle rpm: 0-80 rpm The RH unit travels on mast assembly to absorb sudden shock loads encountered during drillingoperation. |
| Hydraulics | The entire equipment is designed to operate at high temperature encountered in the normal weather conditions. Open loop circuit with variable displacement piston pumps and proportional valves for feed and rotation. Diverted valves for auxiliary drives. |
| Max operating pressure | 180 kg/cm2 |
| Hydraulic Tank capacity | 300 liters. |
| Filtration (Nom) – Return line | 10/25 microns Cooling: Fin type oil to air. |
| Control Panel | All necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience |
| Stabilizer | Model: Hydraulically operated foot mounted type |
| Cylinder bore diameter | 80 mm |
| Stroke | 610 mm |
| No. of Jacks | 3 Nos. The above jacks are provided with ‘reverse flow restricted’ valves to ensure safe operation. |
| Break out Wrench Cylinder | The drill Rig is equipped with hydraulic operated break out wrench for making and breaking the drill pipes and Hammer. |
| Cylinder bore diameter | 70 mm |
| Stroke | 200 mm |
