1. Applications of XY-200 hydraulic core drilling rig Geological survey, geophysical exploration, road and high-rise building foundation exploration, wells, blasting holes and other drilling projects. 2. Parameters of XY-200 hydraulic core drilling rig Maximum opening diameter 400mm Maximum borehole depth 200m Diameter of the end hole 75mm Borehole dip angle 90-75° Machine overall size 2.75*0.95*1.60m Drill pipe diameter 50mm Weight of drill rig diameter of drill pipe (without power) 760kg A vertical scroll of painting Shaft rotation speed 71/142/310/20r/min Vertical axis stroke 450mm Windlass Maximum lifting weight of single rope 2008kb Drum lifting speed 17/35/75/160 rm/s Wire rope diameter: 13mm Wire rope capacity 35mm Width of sluice 70mm Mud pump Type: horizontal single cylinder double action flowï¼?180L/min Maximum pressure 1.5mpa Working pressure 0.7mpa Inlet size 50mm Outlet pipe diameter 45mm Power Diesel oil 22hp Rated speed 2200r/min Electric machinery 15kw Rated speed 1460r/min