Coal miners drills a good helper 7655 7655 7655 pneumatic drill Air-leg rock drill 7655 rock drill accessories, air leg 7655, 7655 rock drill 7655 rock drill technical parameters parameter 7655 type air-leg rock drill is a high efficient drilling machines. It is widely used in a variety of drilling Rock Roadway and blast hole drilling operations, the mines, railways, transportation, water conservancy construction and other important rock engineering equipment. 7655-type air-leg rock drill broader use of the machine, most suitable for medium hard or hard (f = 8 ~ 18) on a rock drilling horizontal or inclined horizontal or inclined direction of the borehole, drilling depth of up to 5 meters. 7655-type air-leg rock drill according to the machine either type of roadway size and FT160A short air leg or FT160B Long legs supporting the use of gas, can also be installed in the drill rig or drill frame work, in order to ensure good lubrication, the machine is equipped There FY200A type oiler. 7655-type air-leg rock drill Features: This machine is equipped with a gas valve in the form of the use of the bowl, reasonable structure, flexible start. And a light weight, drilling speed, low consumption, little vibration, easy operation, low failure rate, long life components, good economic returns. 7655-type air-leg rock drill the machine parameters: machine weight 24 kg total length of 628 mm 0.63 MPa using a pneumatic cylinder piston diameter 76 mm stroke 60 mm rock structure impact frequency ≥36 Hz ≥65 J impact energy drilling gas consumption ≤80 L / s idle speed ≥300 r / mim my voice ≤112 dB (A) Air pressure 0.2-0.3 MPa gas teach teaching water pipe diameter 25 mm internal diameter 13 mm hole diameter 34 ~ 42 mm maximum drilling depth of 5 m shank specifications B22 × 108 mm FY200A type oiler: Weight 1.2 kg fuel capacity 0.2 L gas leg FT160A type FT160B type Weight 17 16 kilograms (kg) air leg length: maximum 30,062,526 millimeters (mm) minimum 16,681,428 millimeters (mm ) advance length 13,381,098 millimeters (mm) Maximum axial thrust 20,002,000 Newtons (N) Phone: 0537-2280244 Fax: 0537-2164232 Mobile: 15660419285 Manager: Chen Jianli QQ: 1011236645 Website: www.sdhuizhixin.com