Technical Specification
Type | KR220C |
Torque | 220 KN.m |
Max. diameter | 1800/2000 mm |
Max. drilling depth | 51 m(Lock)/ 64 m(Friction kelly bar) |
Speed of rotation | 5~26 rpm |
Max. crowd pressure | 210 kN |
Max. crowd pull | 220 kN |
Main winch line pull | 230 kN |
Main winch line speed | 60m/min |
Auxiliary winch line pull | 90 kN |
Auxiliary winch line speed | 60 m/min |
Stroke(crowd system) | 5000mm |
Mast inclination(lateral) | ±5° |
Mast inclination(forward) | 5° |
Max. operating pressure | 35 MPa |
Pilot pressure | 4 MPa |
Travel speed | 2km/h |
Traction force | 420 kN |
Operating height | 21236 mm |
Operating width | 4300mm |
Transport height | 3323 mm |
Transport width | 3000 mm |
Transport length | 15260mm |
Overall weight | 64 t |