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DXA165 Mining Downhole Drilling Rig
Model DXA165 is a firm, integrated, self propelled, crawler mounted, diesel engine driven, hydraulically operated blast hole drilling rig for drilling holes from 130 mm to 180 mm diameter by DHD method in soft to hard formations.
The DXA165 DTH drilling rig is a full hydraulic and high-efficiency drilling machine, which is widely used for slope presplit and blast hole projects in surface mine, stone pit, etc. The compressor, power unit, hydraulic system, cooler, dust collection system etc. are mounted on the excavator type chassis.
| Drilling Diameter |
115 mm–165 mm (4-½" – 6-½") |
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| Drilling Depth |
28 m |
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PROPULSION SYSTEM |
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| Propulsion capacity | (0-4162 kgf.) | |||
| Mechanism type | Cylinder and Feed Chain | |||
| Diameter of cylinder | 100mm | |||
| Rod diameter of cylinder | 70mm | |||
| Stroke | 2750mm | |||
| Slow propulsion speed | 1.8 mpm | |||
| Fast propulsion speed | 27 mpm | |||
| Lifting capacity | 6818 kgf. | |||
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ROTATION SYSTEM |
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| Type | Hydraulic top head drive | |||
| Speed range | 0-100 rpm | |||
| Max torque | 3.28 KN.m | |||
| No. of rotary motors | 2 | |||
| Rotary head power | 50 HP/37.3kW | |||
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TOWER DESIGN |
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| Construction | Fabricated steel structure | |||
| Stroke of rotary head | 5500 mm | |||
| No. of cylinder be raised | 2 | |||
| Diameter of cylinder | 140 mm | |||
| Rod diameter of cylinder | 90 mm | |||
| Stroke of cylinder | 850 mm | |||
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DRILL PIPE (ROD)/CHANGER |
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| Capacity | 5 pipe (rod) in changer and 1 in drill string | |||
| Type | Single arm swing manual type and Remote Hydraulic Cylinder in cabin. | |||
| Drill pipe |
114mmOD x 6m long start drill rod. 114mmOD x 6m long drill pipe. |
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| Breakout system |
Hydraulic, cylinder operated |
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COMPRESSOR |
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| Manufacturer | Sullair | |||
| Model | 750XH | |||
| Type | Single stage rotary screw compressor | |||
| Displacement | 750 CFM | |||
| Pressure | 200 psi | |||
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ENGINE |
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| Manufacturer | Cummins | |||
| Model | M11-350 | |||
| Power | 330BHP/246KW | |||
| Rated speed | 2100 rpm | |||
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LEVELLING JACKS |
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| Number of jacks | 4 | |||
| Diameter of cylinder | 125 mm | |||
| Stroke | 850 mm | |||
| Diameter of jack pads | 600 mm | |||
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MAIN FRAME |
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| Construction | Fabricated steel structure | |||
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CHASSIS |
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| Track drive | Hub drive with Hydraulic motor | |||
| Motor | Fixed displacement | |||
| Power | 50 HP | |||
| Max travel speed | 1.4 km/h | |||
| Gradeability | 26° | |||
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HYDRAULIC SYSTEM |
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| Pump | 4 unit gear pump | |||
| Drive | From dampner end thru' propellor shaft | |||
| Reservoir capacity | 230 litres | |||
| Hydraulic. Oil cooler | Standard | |||
| DIMENSIONS | ||||
| Working condition: | 6500X3400X8000(mm) | |||
| Transportation condition | 7900X3400X3660(mm) | |||
| Total Weight (DRY) | 18000 Kg. | |||
