Unity machine parameter Drilling depth 600m ； Open hole caliber 300mm ； End hole caliber 75mm ； Drilling angle 90 degrees-65 degrees ； Drill weight (No include power) 1750kg(Electric Machinery) 1830kg(Diesel Engine) ； Unity machine dimensions 2.220*0.9*1.8cubic metres ； Distance away from hole 280mm ； Spindle Forward Speed 57 99 157 270 470 742 1024 r/min ； Reverse Speed 45 212 r/min ； Stroke 560mm ； Spindle inner diameter 96mm ； Spindle lifting capacity 6000kg ； hoist Reel caliber 200mm ； Hug floodgate belt width 90mm ； Tightrope caliber 12.5mm or 14mm ； Rell cubic measure 30m ； Single line lifting speed 0.515 0.894 1.421 1.948m/s ； Max single line hoisting capacity 3000kg ； Oil pump F532/F314 Duplex gear oil pump ； Displacement front 32L/min pressure 20Mpa ； behind 14L/min pressure 20Mpa ； Power Diesel engine 395Kz 27HP ； Electric motor Y180L-4 22kw ； Suit scope Geological exploration,water and electricity engineering ,road and railroad construction,build engineering and big diameter water well construction project etc.