The rock drill is a kind of high efficiency air leg rock drill machine. It is widely used for blasting holes and other drilling projects in a quarries, railway construction, water conservancy construction and defence project facility.
It is suitable for drill level or gradient holes in medium hard or hard rock(f=8-18). The drilling depth can be five-eight meters. It can be matched with the FT140BD short air-leg or FT140B long air-leg to use in the basis of the width of rock. Also it can be fixed on drilling-vehicle or drilling-shelf.
To ensure the well lubricating. This rock drill may match FY200B oil reservior.
Specification:
Weight 24 kg
Length   678mm
Cylinder dia 70mm
Piston stroke 70mm
Air pressure 0.4_0.63MPa
Impact frequencey ≥ 31Hz
Air consumption ≤ 66.7 L/S
Air pipe (inner dia)   19mm
Water pipe (inner dia)   13mm
Shank head dia 34-42mm
Shank dimensions(hex*length) 22*108 mm