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±1mm
FT140B Air-leg:
Length of air-leg	1687mm
Pushstroke	1250mm
Cylinderdia	60mm
Weight	≈15.6kg
FT140BD Air-leg:
Lengthofair-leg	1400mm
Push  stroke	965mm
Cylinderdia	60mm
Weight	≈13.9kg
FY200B Oil reservior:
Capacity	200milliliter