DTHR – 300
DTHR 300-01 Model, Top drive DTH drill Rig is capable of drilling in different formations such as medium to Hard Rock by DTH up to a depth of 1000 feet, under favorable drilling conditions. The following are the detailed specifications.
Hole Diameter : 4.5” (115mm)
Drilling depth :1000 feet (300 m)
Over burden diameter 9.0” (228 mm)
Carrier Truck : Truck for the mounting of Rig and air compressor
Make : Ashokleyland
GVW : 25000 kg
Model : 2516 – 6x4
Engine Rating : 163ps @ 2200rpm.
Feed System : Feed and Hoist operation will be achieved by Pulley, wire rope and one double acting Hydraulic cylinder.
Feed cylinder Size : Dia 125mm x Dia 80mm x 2350mm stroke
Pull Back: 14000 Kgf
Pull Down: 6000 Kgf
Hoisting speed : 45Mtr/ Minute
Reeving Ratio : 1:3
Air compressor : Air compressor will be mounted on rig carrier
Make : ELGI
Capacity: 1100 CFM/300 PSI