ROCK DRILL YT28

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ROCK DRILL YT28
Posting date : Aug 29, 2008
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84-
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Detailed Description
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:Φ34-42mm drill rod tailer(the sides length of the hexagon):22*108

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