空腿的"石头演习"

Air leg rock drill Instruction The rock drill is a kind of high efficiency air leg rock drill machine.It is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and national defence project facility. When it is matched with Model FY250 Oil reservoir and Model FT160A or FT160B Air-leg , it is suitable for wet drilling under various of rocks at aclinic and incline orientation,it can also use in the trolley without Air-leg. Specification Weight 27 kg Outside dimension(L×W×H) 668×248×202mm Cylinder dia 80mm Piston stroke 60mm Impact energy ≥75.5J Impact frequencey ≥ 36.7Hz Air consumption ≤83.3L/S Air pipe (inner dia) 25mm Water pipe (inner dia) 13mm Air pressure 0.63MPa Water pressure 0.3MPa Bore dia 34-45mm Bore depth 5m Shank dimensions(hex×length) 22×108±mm×mm Model FY250B oil lubircator: Weight 1.2kg Oil capacity 0.25L Air leg FT160A FT160B Weight 17kg 16 kg Llength:max 3006mm 2526mm min 1668mm 1428mm Propulsion stroke 1338mm 1098 mm Axis thrust (max) 2000N 2000N