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Technical Specifications: KT7C
Power: 192 kW/2200r/min
Drilling Diameter: 80-105 mm
Drilling Depth: 25 m
The KT7C integrated down the hole drill rig for open use is an advanced drilling device integrating the down the hole drilling system and screw air compressor system, It is capable of drilling vertical, inclined and horizontal holes, mainly used for open-pit mine, stonework blast holes and pre-splitting holes.
Equipped with the Yuchai China stage lll Engine and efficient dust collection system, the drill rig meets national standards for emissions and environment. It is typical of energy conservation, efficiency, safety, environment-friendliness, flexibility, simple operation and stable performance, etc.
| Model of drill rig | KT7C |
| Drilling hardness | f=6-20 |
| Drilling diameter | 80-105 mm |
| Depth of economical drilling | 25 m |
| Travelling speed | 2.5/4.0 km/h |
| Climbing capacity | 30° |
| Ground clearance | 430 mm |
| Power of complete machine | 195 kW/2200r/min |
| Diesel engine | Yuchai YC6A260-T30 |
| Capacity of screw compressor | 15 m³/min |
| Discharge pressure of screw compressor | 17 bar |
| Outer dimensions (L×W×H) | 8000×2300×3000 mm |
| Weight | 9600 kg |
| Rotation speed of gyrator | 0-120 r/min |
| Rotary torque | 2450 N*m(Max) |
| Maximum push-pull force | 25000 N |
| Lifting angle of drill boom | Up 28°, down 42° |
| Tilt angle of beam | 129° |
| Swing angle of carriage | Right 38 °,left 35° |
| Lateral horizontal swing angle of carriage | Right 42 °,left 89° |
| Swing angel of drill boom | Right 39°, left 60° |
| Leveling angle of frame | Up 10°, down 9° |
| One-time advance length | 3000 mm |
| Compensation length | 900 mm |
| DTH hammer | K30 |
| Drilling rod | φ64×3000 mm |
| Method of dust collecting | Dry type (hydraulic cyclonic laminar flow) |
