Air-leg rock drill yt28

Key Attributes.

YT28 is a kind of high efficincy air-leg rock drill,which is mainly uesed in mine exploitation,railway,highway,tunnel excavation,water conservancy construction and defence project facility. Product details as follows: weight:26kg length:661mm cylinder diameter:80mm stroke of piston:60mm operating air pressure:0.4MPa—0.63MPa impact frequency:=28Hz =35Hz =36Hz air consumption:=52(L/s) =58(L/s) =82(L/s) impact power:=44J =63J =70J torque of drill rod:=15N*m =19N*m =23N*m rotating speed of drill rod:=250r/min =260r/min =300r/min drilling speed:=250mm/min =400mm/min =470mm/min noise:=124dB =125dB =127dB air pipe inner dia:25mm water pipe inner dia:13mm bit head diameter:F34-42mm drill rod tailer(the sides length of the hexagon):22*108