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