FAMD-90+ Diamond Core Drill FAMD-90+ Diamond Core Drill,patented by the State Intellectual Property Office (No.ZL200530136401.1),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. Features 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 Main parameter Depth Φ55rod 1600mΦ71rod1200m700mΦ89rod Drilling Angle 45°-90° Rotation speed r/min 1,30-4202,60-7303,80-970 Torque kN·m 1,2.652,1.5393,1.159 Inside diameter of chuck mm Φ94 Feed stroke mm 3500 Feed cylinder pull capacity kN 130 Feed cylinder thrust capacity kN 40 Main hoist pull capacity kN single 77double 155 Main hoist speed m/min 8-48(single) Wireline hoist pull capacity kN 12 Wireline hoist speed m/min 25-210 Power kW 75 Weights kg 5100 Dimensions mm 4540×2160×1860