Instruction

FD-4a Diamond Core Drill, patented by the Cooperation group with great power and     hydraulic rotary unit, is designed to perform as an versatile base platform for core drilling, percussion drilling, reverse circulation drilling and rotary drilling. It is also used for construction drilling, well drilling and anchor drilling. The instrument could show the real time output power, rotary speed, in-hole pressure and pump pressure, which is convenient for observing and recording the drilling conditions. It is available that the optional trailer mounted for mobility

Feature

Hydraulic transmission and control and high integration Long feed stroke to prevent the core clogging Great power and high torque, suiting for deep hole core drilling Hydraulic mast raising Independent operator platform and simple, manual and hydraulic controls for ease of service

Technical Parameter

Depth Φ55.5rod 1200m　　Φ71rod 800m　　Φ89rod 400m 　　Drilling Angle 　 45°-90° 　　Rotation speed r/min 1 50-530；2 80-910 　　Torque N·m 1 1600；2 950 　　Main hoist pull capacity kg single 5400　　double 10800 　　Main hoist speed m/min single 6-46　　double 3-23 　　Inside diameter of chuck mm Φ94 　　Feed stroke mm 3500 　　Feed cylinder pull capacity kN 100 　　Feed cylinder thrust capacity kg 3500 　　Wireline hoist pull capacity kg 1200 　　Wireline hoist speed m/min 25-210 　　Power kW 55 　　Weights kg 3600