一、 instruction
The rock drill is a kind of high efficiency air leg rock drill machinery.it is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and defence project facility.
It can perform drilling under medium hard or hard rock(f=8-18) at any direction angles
To ensure the fine lubrication.this rock drill may match FY200B oil tank .

二、specification
Weight ≈ 24 kg
Length 　　 678mm
Cylinder dia 　　 70mm
Pistonstroke 　 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
Bore dia 34-42mm
Shank dimensions(hex莛ength) 22?08 mm莪m
Model FY200B oil lubricator
Oil capacity 0.2L
Air leg FT140B FT140BD
length 1687mm 1400mm
Propulsion stroke 1250mm 965mm
cylinder inner dia 60mm 60mm
weight ≈15.6kg ≈13.9 kg