Crawler Mounted Drill Rig JRD Model SP-200 DTH Blast hole drilling Rig capable of handling 6 mtrs. Drill pipe with following Technical specification.
Sturdy structural Channel Type Mast steel material reinforced with suitable cross members strong enough to withstand high drilling loads. Mast Raising & Lowing is by suitable Hydraulic Cylinder.
HYDRAULIC SYSTEM :
The hydraulic system is designed for fuel efficient and high productive capacity. All hydraulic elements like Pumps, Motors, Valves and cylinders shall be of adequate capacity and of reputed make. Fixed displacement Hydraulic Pump with proportional Valve (PVG 32 Make: Sauer Danfoss) are used for Rotation Unit, Feed Unit (for fast & micro feeding) and divert valves are used for auxiliary drives like for Tramming, mast raising, Rig leveling etc…All hoses shall withstand high pressure and high temperature. The Hydraulic oil is fine filtered during suction and return lines in operation.
The Rig main frame is mounted with three hydraulic jacks for proper leveling of the RIG.
HYDRAULIC POWER PACK :
Hydraulic Power pack is driven by Diesel Engine water cooled with Power 90H.P @1500 RPM to drive one main Hydraulic Pump.
BREAKOUT WRENCH :
The Drill Rig is provided with hydraulic breakout wrench for making and breaking of drill pipes joints.
|Mode of Drilling||Down the Hole Air Hammer|
|Hole Diameter||165mm (6½”)|
|Max. Drilling Depth||25 mtrs (82 ft)|
|Drill Pipe Diameter||114mm (4½”)|
|Drill Pipe Length||6 mtrs. (20 ft)|
|Max. Torque||2,200 Nm (19,500 lbf.in)|
|Type of Feed||Chain feed|
|Feed Length (MAST)||9000mm (30 ft )|
|Travel Length||7000mm (23 ft )|
|Pull Down Force||0~2500 kgf|
|Pull Up Force||0~2500 kgf|
|Pull Up & Pull Down Speed||0~ 15 mtrs./min|
AIR COMPRESSOR (Recommended)
|Free Air Delivery||17 ~ 25.5 m3/min (600 ~ 900 cfm)|
|Working Pressure||14 kg/cm2 (200 psi)|