| JCR-BHD BLAST HOLE DRILL | ||
| JCR – BHD 303 | JCR – BHD 306 | |
| GENERAL | JCR-BHD 303 Model drill is a crawler mounted, self propelled, multi pass, hydraulically operated BLAST HOLE DRILLING RIG | JCR-BHD 306 Model drill is a crawler mounted, self propelled, multi pass, hydraulically operated BLAST HOLE DRILLING RIG |
| DRILLING CAPACITY | 114 to 171 mm (4 ½” to 6 ¾”) dia. holes as DTH or Rotary Drilling. Drilling depth 18 mtrs. (60 ft). | 159 to 200 mm (6 ¼” to 7 7/8” ) dia. holes as Rotary Drilling and 152 to 171 mm (6” to 6 ¾”) dia. holes as DTH drilling. Drilling depth 150 ft (45 mtrs.). |
| MOUNTING | Heavy duty tracks with adequate supporting rollers on both sides. Each track driven by an independent hydraulic motor. | Heavy duty tracks with adequate supporting rollers on both sides. Each track driven by an independent hydraulic motor |
| MAST | Heavy duty structural steel construction. Mast height suitable for handling drill pipes upto 6.10 mtrs (20 ft) available. | Heavy duty structural steel construction. Mast height suitable for handling drill pipes of 6.10 to 11 mtrs (20 to 36 ft) available |
| FEED | Heavy duty single hydraulic cylinder with chain system with micro feed control. | Heavy duty single hydraulic cylinder with chain system with micro feed control |
| ROTARY HEAD | Single hydraulic motor with spur gear reduction system . | Single hydraulic motor with spur gear reduction system. |
| AIR COMPRESSOR | Single stage oil flooded, screw type with capacity ranging from 550 cfm ( 15 m³/min) and working pressure of 200 psi (14 kg/cm²). | Single stage or two stage, oil flooded, screw type with capacity ranging from 600 to 1200 cfm (17 to 34 m³/min) and working pressure ranging from 100 to 350 psi (7 to 24 kg/cm²) available. |
| POWER UNIT | Diesel Engine as Prime Mover for driving compressor and hydraulic system. | Diesel Engine as Prime Mover for driving compressor and hydraulic system. |
| LEVELING JACKS | Heavy duty, three nos. hydraulic jacks with check valves. | Heavy duty, three nos. hydraulic jacks with check valves. |
| DUST CONTROL | Options of Non Visible Emission (NVE) dust control system or wet type water injection system available. | Options of Non Visible Emission (NVE) dust control system or wet type water injection system available |
| CONTROLS | All controls centralized for single man operation. | All controls centralised for single man operation. |
| OPTIONAL:- | ||
| ANGLE HOLE DRILLING KIT | ||
| AUTO INDEXING | ||
| HYDRAULIC WINCH | ||
| CENTRALIZED LUBRICATION SYSTEM. | ||
| DRILL PIPE HANDLING | Hydraulic barrel loader to hold upto three drill pipes of sizes 114 mm (4 ½”) (or) 76.2mm (3") dia and lengths upto 6.10 mtrs (20 ft). | Hydraulic barrel loader to hold upto six drill pipes of sizes 100 to 140 mm (4” to 5 ½”) dia. and lengths ranging from 6.10 to 11 mtrs (15 to 36 ft) available. |
