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Prime - Model PBHD 50 -Crawler Mounted Drill Rig
FromPrime Rigs Ltd
PRL Crawler Mounted Drill Rig Model PBHD-50 is primarily designed for Blast Hole applications. PRL PBHD-50 is among the best and most sought after Crawler mounted drilling rig in the market. It is intended for use in blast hole drilling for mining purpose. PRL PBHD-50 is designed for 250mm (10″) diameter holes with a down the hole hammer.
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- Model & Type: PBHD-50, DTH Blast Hole Drilling Rig
- Capacity:
- DTH Drilling: 4 inch (101 mm) up to max 50 meters depth.
- Drill hole Diameter: 4 inch(101 mm)
- Drill rod Diameter: 3 inch (76.2 mm)
- Drill rod Length: 3 meter (10 Feet)
- Carrier:
- Crawler Capacity: 10 Tonnes
- Max. speed of equipment: 3.0 kmph
- Grad ability: 30 degree from horizontal.
- Grouser type: Single
- Grouser width: 310/450 mm
- Ground pressure: 0.78 kg-f/sq.cm
- Type of Drive: Independent Hydraulic Motor for each Track
- Drive system: Through planetary gear box with in-built braking.
- Prime Mover: The system shall be powered from diesel driven engine with the following capacity.
- Engine make: Ashok Leyland or any other reputed make
- Rated capacity: 50 PS @ 1500 rpm or equivalent
- Mast Assembly: Sturdy structural channel mast structure electrically welded.
- Mast overall length: 5000 mm
- Rotary head travel: 4000 mm
- Centralize opening: 6 inch (150 mm)
- Feed System: Feed and hoist operation will be achieved by hydraulic motor with chain and sprocket arrangement.
- Pull Back: 2700 kg-f (30M/Minute)
- Pull Down: 3500 kg-f (62M/minute)
- Hoisting speed: (UP) 35 meter/ minute
- Reeving Ratio: 1:1
- Feed system consists of hold back arrangement to control limit weight on bit, rapid and slow feed arrangement to suit variable ground condition.
- Rotary Head Assembly (Top Head Drive): Fabricated steel body
- Torque: 180 kg-m
- Rotation Speed: Spindle rpm: 0-100
- Hydraulics:
- Max operating pressure: 180 kg/cm2
- Hydraulic Tank capacity: 350 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
- Auxiliary:
- Stabilizer: Model: Hydraulically operated regular type
- Cylinder bore diameter: 100 mm
- Stroke: 500 mm
- No. Of Jacks: 2 Nos.
- Boom Lifting, Swing, Tilting, Dumping, Rack Oscillation Cylinders: For raising and lowering and swinging the Mast Assembly
- Water Injection Pump: Hydraulically operated triplex water injection pump, for injecting water/foam with necessary piping and flow control valves
- Max. Flow: 30 liter/minute
- Max. Pressure: 40kg/cm2
- Airline Lubricator:
- Make: Spinc
- Capacity: 450 cfm @ 150 psi
- Air compressor: Two wheel trolley mounted Air Compressor.
- Make: ELGI
- Capacity: 450 cfm @ 150 psi