Model Number

YT27

The rock drill is a kind of high efficiency air leg rock drill machine.It is mainly used for blasting holes and other drilling works in a quarries, railway construction, water conservancy construction and national defence project facility.
When it is matched with Model FY250 Oil reservoir and Model FT160A or FT160B Air-leg , it is suitable for wet drilling under various of rocks at aclinic and incline orientation,it can also use in the trolley without Air-leg.
Weight 27 kg
Outside dimension(L?W?H) 668?248?202mm
Cylinder dia 80mm
Piston stroke 60mm
Impact energy ≥75.5J
Impact frequencey ≥ 36.7Hz
Air consumption ≤83.3L/S
Air pipe (inner dia) 25mm
Water pipe (inner dia) 13mm
Air pressure 0.63MPa
Water pressure 0.3MPa
Bore dia 34-45mm
Bore depth 5m
Shank dimensions(hex?length) 22?108±mm?mm

Model FY250B oil lubircator
Weight 1.2kg
Oil capacity 0.25L
Air leg FT160A FT160B
Weight 17kg 16 kg
Llength:max 3006mm 2526mm
min 1668mm 1428mm
Propulsion stroke 1338mm 1098 mm
Axis thrust (max) 2000N 2000N