Air Leg Rock Drill, Brand Name : tianshui

7655 air leg rock drill is a high efficiency rock drilling machine.it�s widely used in mining and roadway drivage of drilling operation.also it�s a important tool for railway, water conservancy, construction and national defense project.it can be used with type fy200b oiler and type ft160a (ft160b,ft160c)air leg.it can used for drilling the medium hard or very hard rock for wet drilling, drilling horizontal and inclined hole, unload gas legs can also be installed in trolley out of use.
76 55
piston stroke
cylinder diameter
7655 rock drill
weight 24 kg
physical size(length*wide*high) 628*232*207 mm
cylinder diameter 76 mm
piston stroke 55 mm
working pressure 0.4~0.63 mpa
working hydraulic 0.3 mpa
working temperature -30~50 �
air pipe diameter 25 mm
water pipe diameter 13 mm
shank bit size h22*108 mm
appropriate chisel hole diameter 34~42 mm
suitable for maximum hole depth 5 m
acceptance pressure 0.63 0.5 0.4 mpa
impact energy �65 �59 �42 j
drilling impact frequency �37 �36 �34 hz
drilling air consumption �80 �54 �50 ls
torque �18 �15 �12 n.m
speed �300 �300 �280 rmin
noise �90 �95 �98 db
drilling speed �410 �350 �260 mmmin
cleanness � 750 mg
fy200b oiler
weight 1.2 kg
oil capacity 0.2 l
air leg ft160a ft160b ft160c
length 1668 1428 7655 mm
propulsion stroke 1338 1098 1490 mm
air cylinder diameter 65 65 65 mm
weight 17 15 18 kg.