The 7655 Air Leg Rock Drill

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7655 air leg rock drill is a highly efficient drilling equipment. It is widely used in rock drift excavation and drilling blasting holes in drilling operations, are mining, railways, communications and water conservancy construction, and important in rock engineering machinery.

7655 air leg rock drill with wide, works best on hard or Rocky (f=8~18) rock drilling horizontal or inclined or slanted horizontal boreholes, drilling depth up to 5 m. This machine can be either depending on the roadway and FT1160A short aerial legs or FT160B long legs supporting the use of can also be mounted on a drill rig or drill frame work.

7655 rock drill main technical parameters:

Weight: 24 kg length: 628 mm air pressure: 0.63 MPa

Cylinder diameter: 76 mm piston structure stroke 60 mm drilling frequency: = 36 Hz

Impact energy: = 65 j rock-air consumption: = 80 L/s idling speed: over 300 r/MIM

Noise: less than 112 dB (a) air pressure: 0.2-0.3 MPa gas penitentiary inner diameter: 25 mm

Water conveyance penitentiary inner diameter: 13 mm drill diameter: 34~42 mm maximum drilling depth: 5 m


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