.jpg)
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
.jpg)
