Pneumatic Rock Drilling For Mining

Low Noise Air Leg Pneumatic Rock Drilling Machine For Mining Quick Detail: Model 7655(YT23) Weight (kg) 24 Outside length (mm) 668 Cylinder diameter (mm) 70 Piston stroke (mm) 70 Working air pressure (Mpa) 0.4-0.63 Working water pressure (Mpa) 0.2-0.3 Impact energy (J) ≥45J Impact Frequency (HZ) ≥28HZ Air consumption (L/S) ≤38L/S Size of air hose (mm) 19 Size of water hose (mm) 13 Borehole diameter (mm) 34-42mm Drilling depth (m) 5m Size of shank (mm) H22*108 Description: