Basic Info.

Product Description

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 . specificationweight ˜ 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±1mm ft140b air-leg: length of air-leg 1687mm pushstroke 1250mm cylinderdia 60mm