Integrated Surface DTH Drilling Rig, KT20S

Integrated Surface DTH Drilling Rig, KT20S
Integrated Surface DTH Drilling Rig, KT20S
Integrated Surface DTH Drilling Rig, KT20S
Integrated Surface DTH Drilling Rig, KT20S
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Down-the-hole drill rig for open-pit mining

This machine produced based on our previous experiences of rig-making. It is an extraordinary choice for operators working in large-scale open-pit mines. The drilling machine provides two options of dust collection—a wet or a dry dust collector. The rig is driven by a powerful engine that activates the interior hydraulic movement system, and its movement is driven by the diesel engine while the power of drilling comes from its motor. It is equipped with a high-pressure air end and DHT hammer, through which it can drill rocks efficiently, change angles and move smoothly. The machine is equipped with several advanced modules, such as a hydraulic dust collector that can reduce harm to environment, a hands-free hydraulic rod handling module, a floating rig joint protecting rod thread and an anti-jamming module. With these features, the machine can be operated by only one person. It also provides a cozy working environment for operators, with an air-conditioner installed in its large cab.

Technical Specifications
Model KT20S
Dimensions during working 10500×4400×9300mm
Dimensions during transportation 11100×3300 ×3400mm
Total weight 32000kg
Rock hardness F=6-20
Hole diameter ⌀135-254mm
Drilling depth 35m
Rod diameter ⌀102/Ø14/Ø127/Ø146×5000mm
DTH hammer K5, K6, K8
Ground clearance 480mm
Tramming speed 2.2km/h
Gradeability 25°
Total power 200kW/250kW/315kW
Free air delivery of compressor 20/26/31m³/min
Discharge pressure of compressor 350 psi
Diesel engine QSB3.9-C125-30
Power and rotation speed of the engine 93kW/2200/r/min
Motor Y2-280-4
Power and rotation speed of motor 75kW/1470/r/min
Tractoion 175kN
Boom lift angle 42°
Tilt angle 123°
Swing angle Left: 42°, right: 33°
Boom swing angle Left: 20°, right: 40°
Maximum push force 65kN
Feed length 5000mm
Feed extension 1200mm
Rotation speed 0-70r/min
Maxium torque 6.1kN.m
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