Rotary Drilling Rig

Technical specification of DBR20 TYPE DBR220 Chassis type BONNYZJ16A-7 194KW max. drilling dia 1800mm max. drilling depth 60m max. output torque 200KN.m drilling speed 7-28rpm max. push 150kN max. pull 200 kN stroke of crowd cylinder 4300 mm mast sideward 3° mast forward 5° main winch pull(1st layer) 200 kN main winch rope dia 28 mm main winch line speed 75m/min auxiliary winch pull 76 kN auxiliary winch rope dia 20mm auxiliary winch line speed 79 m/min operating height 20091mm operating width 4400mm transporting length 14085mm transporting height 3400mm transporting width 3000 Track plate length 5538mm Track plate width 700mm system pressure 343bar pilot pressure 40bar traction force 440kN total weight 65t