Product Description
YT28 is a kind of high efficiency air-leg rock drill,which is mainly used in mining,tunnelling,quarrying,road construction,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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