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Specification | KT20 |
Drilling hardness | f=6-20 |
Drilling diameter | 135-190 mm |
Depth of economical drilling (depth of automatic extension rod) | 35 m |
Travelling speed | 3 km/h |
Climbing angles(Max.) | 25° |
Ground clearance | 430 mm |
Power of complete machine | 287 Kw |
Diesel engine | Caterpillar C11 |
Displacement of screw compressor | 22 m³/min |
Discharge pressure of screw compressor | 24 bar |
Travelling speed | 11000*2716*3600 mm |
Weight | 23000 Kg |
Rotation speed of gyrator | 0-118 rpm |
Rotary torque | 4100 N*m |
Maximum feed force | 65000 N |
Tilt angle of beam | 125° |
Swing angle of carriage | Right 97°, Left 33° |
Swing angel of dril boom | Right 42°, Left 15° |
Leveling angle of frame | up 10°,down 10° |
Compensation length | 1800 mm |
DTH hammer | K5,K6 |
Drilling rod | Φ89/Φ102*4000 mm,Φ89/Φ102*5000 mm |
Method of dust removal | Dry(hydraulic cyclonic laminar flow)/Wet(Optional) |
Method of extension rod | Automatic unloading rod |
Method of automatic anti-Jamming | Electro-hydraulic control anti-jamming |
Method of drilling rod lubrication | Automatic oil injection and lubrication |
Protection of thread of drilling rod | Equipped with the floating joint to protect the thread of drilling rod |
Drilling display | Real-time display of drilling angle and depth |










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