SPECIFICATIONS FOR ST-1 CORE DRILLING MACHINE Drill machine Drilling depth 100m Drilling rod dia. 42mm Initial hole dia. 110mm Final hole dia. 75mm Drilling angle 90 °~75 ° Drill weight 480kg Dimensions 1960*850*1340mm Spindle Spindle Spindle speed 64. 128. 287. 557r/min Spindle stroke 450mm Hoist Max.single line hoisting capacity 2000kg Reel lifting speed 17. 35. 75. 151r/min Reel caliber 140mm Tightrope caliber 12.5mm Tightrope cubic measure 35mm Hug floodgate caliber 245mm Hug floodgate belt width 70mm Distance between drill and hole 400mm Mud pump Model Horizontal reciprocating single piston pump displacement max Displacement (equipped with diesel engine) 95L/mim Displacement (equipped with electric motor) 95L/mim Power Diesel engine S1105 18HP Electric motor Y160M-4 15kw 1440r/min Maximum pressure 1.5Mpa Work pressure 0.7Mpa Water inlet caliber 40mm Water to exit caliber 30mm Triangle conveyer belt B1728mm