Unity machine parameterDrilling depth(m)130Open hole diameter max.(mm)Φ220End hole diameter(mm)Φ75Drilling rod diameter(mm)Φ50Head angle range90°~75°Weight(power unit excepted)(kg)560SpindleSpindle speed(r/min)142285570Spindle stroke(mm)450HoistSingle rope lifting capacity max.(kg)1600Single rope lifting speed(m/s)0.410.821.64Reel diameter(mm)140Steel wire rope diameter (mm)Φ13Steel wire rope length of drum(m)27Mud pumpTypeHorizontal single-urn double actionDiesel engine displacement/Electric motor95/77 LminPressure max.(Mpa)1.2Work pressure(Mpa)0.7Water inlet diameter(mm)Φ30Water outlet diameter(mm)Φ20Triangle conveyer belt(mm)B1575