1.The applications of XY-200 drilling machine Water well,field irrigation well, engineering water well, precipitation well and so on; geological survey, geophysical exploration, road and high-rise building foundation exploration, wells, blasting holes and other drilling projects. 2.The Specifications of XY-200 drilling machine Maximum opening hole diameter 400mm Drilling depth 200m End hole diameter 75mm Drilling angel 90-75° Dimension 2.75X0.95X1.60m Drilling pipe diameter 50mm Weight without power 760kg Spindle Spindle rotation speed 71/142/310/20r/min Spindle stroke 450mm Winch Maximum lifting weight (single rope) 2008kb Lifting speed 17/35/75/160rm/s Wire-rope diameter: 13mm Roll capacity 35mm Mud pump Type: horizontal single cylinder double action flow�180L/min Maximum pressure 1.5mpa Working pressure 0.7mpa Inlet pipe diameter 50mm Outlet pipe diameter 45mm Power Diesel 20hp Rated speed 2200r/min Electric motor 15kw Rated speed 1460r/mi n