MAIN FEATURES:

· Reasonable specification, assure more efficiently drilling;

· Fully hydraulic drive, top-drive head rotation, feed and hoist are all done by ration pump and ration motor which composite independent open hydraulic system, it is simple, advance, easy to use and maintain;

· The main hydraulic components are from world famous hydraulic manufacturers, two-step filtering, to assure the reliability of the hydraulic system;

· Light weight, easy to move, re-assembly and maintain. Especially suitable for drilling in tunnel and on the frame.

MAIN SPECIFICATIONS:

1.Drilling method: diamond drill bit, PDC bit, and DTH drilling
2.Drilling capacity: 50 m -20 m
3.Drill hole dia.: 56-91 mm
4.Drill rod: Φ50 x 1000 mm
5.Top-drive head: stroke: 1200 mm; Max. push/pull force: 20 kN;
6.Top-drive head speed:
(with motor of 100ml/r) Speed I: 0-700r/min; speed II: 0-350r/min
(with motor of 305ml/r) Speed I: 0-230r/min; speed II: 0-115r/min
7. Top-drive head torque:
(with motor of 100ml/r) Speed I: 215 N.m; speed II: 430 N.m
(with motor of 305ml/r) Speed I: 655 N.m; speed II: 1300 N.m
8.Drilling angle: any angle;
9.Power: normal one with 15 kW. Other one according client needing.