Rotary Blasthole Drilling Rig, KG420/KG420H
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Surface down-the-hole drill rig for open-pit mining
This kind of rotary blasthole drilling rig is featured with a 4-cylinder YUCHAI engine with low emission and less pollution. Equipped with a piston motor and reinforced continuous tracks, our rotary blasthole drilling rig is characterized by two rotational motors that can boost feed and pull out force and reliable operation. In addition, this extraction machine is made of reinforced materials strong enough for transportation from site to site. For environmental protection, the rotary blasthole drilling rig contains a dry dust collector which will effectively reduce pollutants to the air.
| Model | ||
| Total weight | 5200kg | 5700kg |
| Dimensions | 5900×2250×2700mm | 6200×2250×2700mm |
| Rock hardness | F=6-20 | |
| Hole diameter | Ø90-152mm | |
| Hole depth | 20m | |
| RPM | 0-60rpm | |
| Maximum rotation torque | 5000N.m(Max) | |
| Pull out force | 40kN | |
| Feed type | Oil cylinder roller chain | |
| Feed extension travel | 3175mm | |
| Tramming speed | 0-2.5km/h | |
| Gradeability | ≤30° | |
| Ground clearance | 500mm | |
| Tilt angle | Down:130°, up:35°, total:165° | |
| Swing angle | Left:91°, right:5°, total:96° | |
| Boom tilt angle | Down:50°, up:25°, total:75° | |
| Boom swing angle | Left:45°, right:45°, total:90° | |
| Oscillation angles | ±10° | |
| Boom extension | 900mm | |
| Engine type | YC4DK80-T302(58kW/2200r/min)KG420/Yuchai YC4DK80-T302(58kW/2200r/min) YC4DK100-T304(73kW/2200r/min)KG420H/Yuchai YC4DK100-T304(73kW/2200r/min) | |
| DTH hammer | K40 | |
| Drilling rod | Ø76×2m Ø76×3m | |
| Flushing air | 13-20m³/min | |
| Maximum height of horizontal holes | 2750mm | |
| Minimum height for horizontal holes | 350mm | |
- Diesel engine portable screw air compressor
Kaishan LGCY-13/13
Kaishan LGCY-15/13
Kaishan LGCY-13/17
Note: Air compressor selection depends on the hole diameter and air hose length
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