Bit Drilling-Capacity | ||
drilling diameter(mm) | drilling depth(m) | |
300 | 60 | |
70 | 230 | |
46 | 315 | |
drill pipe diameter | 42\50\60 | |
tilt angle of vertical shaft | 0-360 | |
Rop and Torque | ||
rotate speed(r/min) | foreward:900,475,388,205,157,68 | |
reverse:265,85 | ||
Oil Pump | ||
model | gear oil pump | |
displacement(ml/r) | 20 | |
rotate Speed(r/min) | 2500 | |
pressure(Mpa) | 20 |