PBHD 50 Crawler

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.

CRAWLER MOUNTED BLAST HOLE DRILLING RIG: https://youtu.be/nuKh6kszkeI

CRAWLER MOUNTED BLAST HOLE DRILLING RIG (PBHD): https://youtu.be/OUFq59AxQqM

PBHD-30 Blast hole Crawler Mounted Drilling Rig: https://www.youtube.com/watch?v=OYH7Z6TEZ4E

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Enquiry about PBHD 50 Crawler

Make:PRL
Model & TypePBHD-50, DTH Blast Hole Drilling Rig
Capacity 
DTH Drilling4 inch (101 mm) up to max 50 meters depth.
Drill hole Diameter4 inch(101 mm)
Drill rod Diameter3 inch (76.2 mm)
Drill rod Length3 meter (10 Feet)
Carrier 
Crawler Capacity10 Tonnes
Max. speed of equipment3.0 kmph
Grad ability30 degree from horizontal.
Grouser typeSingle
Grouser width310/450 mm
Ground pressure0.78 kg-f/sq.cm
Type of DriveIndependent Hydraulic Motor for each Track
Drive systemThrough planetary gear box with in-built braking.
Prime MoverThe system shall be powered from diesel driven engine with the following capacity.
Engine makeAshok Leyland or any other reputed make
Rated capacity50 PS @ 1500 rpm or equivalent
Mast AssemblySturdy structural channel mast structure electrically welded.
Mast overall length5000 mm
Rotary head travel4000 mm
Centralize opening6 inch (150 mm)
Feed SystemFeed and hoist operation will be achieved by hydraulic motor with chain and sprocket arrangement.
Pull Back2700 kg-f (30M/Minute)
Pull Down3500 kg-f (62M/minute)
Hoisting speed(UP) 35 meter/ minute
Reeving Ratio1:1
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
Torque180 kg-m
Rotation SpeedSpindle rpm: 0-100
Hydraulics 
Max operating pressure180 kg/cm2
Hydraulic Tank capacity350 liters.
Filtration (Nom) – Return line10/25 microns
Cooling: Fin type oil to air.
Control PanelAll Necessary control and monitoring valves and gauges are installed at control panel located nearer to drilling point for driller convenience
Auxiliary 
StabilizerModel: Hydraulically operated regular type
Cylinder bore diameter100 mm
Stroke500 mm
No. Of Jacks2 Nos.
Boom Lifting, Swing, Tilting, Dumping, Rack Oscillation CylindersFor raising and lowering and swinging the Mast Assembly
Water Injection PumpHydraulically operated triplex water injection pump, for injecting water/foam with necessary piping and flow control valves
Max. Flow30 liter/minute
Max. Pressure40kg/cm2
Airline Lubricator 
MakeSpinc
Capacity450 cfm @ 150 psi
Air compressorTwo wheel trolley mounted Air Compressor.
MakeELGI
Capacity450 cfm @ 150 psi

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