Integrated Surface DTH Drilling Rig, KT5J
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Down-the-hole drill rig for open-pit mining
This machine integrates a hydraulic long hole drilling rig and a screw air compressor. With a special design, it can be used for either vertical drilling or angle drilling, which is suitable for drilling blastholes and pre-splitting holes in open-pit mines and stonework sites. The drilling machine is powered by a Yuchai off-road engine that meets China Stage III emission standards and is equipped with an advanced dust collector. The machine achieves a balance between economy and performance, with other features of being easy and safe to use and to be transported from site to site.
| Model | |
| Rock hardness | F=6-20 |
| Hole diameter | ⌀80-105mm |
| Hole depth | 20m |
| Tramming speed | 2.5/4.0km/h |
| Gradeability | 25° |
| Ground clearance | 330mm |
| Total power | 162kW/2200r/min |
| Diesel Engine | YuchaiYC6J220-T300 |
| Free air delivery of compressor | 12m³/min |
| Discharge pressure of compressor | 210 psi |
| Dimensions | 7300 ×2300 ×2400mm |
| Total weight | 7500kg |
| Rotation speed | 0-120r/min |
| Maxium torque | 1.4kN.m |
| Maximum push force | 25000N |
| Boom lift angle | Up: 60°, Down: 27° |
| Tilt angle | 147° |
| Swing angle | Left: 37°, Right: 40° |
| Lateral horizontal swing angle | Right: -1.7-91.5° |
| Boom swing angle | Right: 39°, Left: 44° |
| Frame oscillation angle | Up: 10°, Down: 10° |
| Feed length | 3000mm |
| Feed extension | 900mm |
| DTH hammer | M30H |
| Rod diameter | ⌀64×3000mm |
| Dust collector | Dry (hydraulic cyclonic laminar flow) |
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