BBC 34WTH: Pusher leg rock drill (medium to hard rock) - Atlas Copco Liberia

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BBC 34WTH: Pusher leg rock drill (medium to hard rock)

8311 0408 10

George Apostolopoulos

+233 21 774512

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Atlas Copco water flushed, pusher leg mounted rock drills are designed for driving drifts and tunnels with a small cross section. These well-proven rock drills are recognized for their high performance and reliability. They are intended for use for hole diameter range of 27 to 41 mm (1-1 5/8 in)with Hex 22 (7/8") rotation shank as a standard. When used with Atlas Copco tapered button bits, penetration rate will improve some 25-50% compared to conventional integral steels and have three to five times longer service life. The BBC 34 offers exceptional penetration rates in medium to hard rock, thanks to its long stroke and high impact energy.


Features & benefits

  • Highly efficient in medium to hard rock
  • Long stroke, high impact energy
  • Large piston diameter makes it very efficient even at low air pressure
  • Powerful rifle bar rotation mechanism
  • Pusher leg control placed in back head of the rock drill (twist throttle on handle)

Applications

  • Production drilling
  • Mining and construction
  • Dimension stone industry

Technical data

Technical Specifications
Rock drill typeUnderground rock drill
Rock drill versionPusher leg rock drill
Weight34 kg
Length740 mm
Air consumption88 l/s
Impact Rate2280 blows/min
Piston diameter80 mm
Stroke length70 mm
Largest reaming diameter76 mm
Hole diameter27 - 41 mm
Vibration level 3 axes (ISO 5349-2)*20.4 m/s²
Sound power level guaranteed, Lw (ISO 15744)*127 dB(A)
Sound pressure level (ISO 15744)* Lp, r=1m116 dB(A)
Shank Size (mm)22x108
Shank Size (inch)7/8x4 1/4
Suitable pusher leg
Pusher leg rock drillALF 71, ALF 71-1, ALF 67/80

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George Apostolopoulos

+233 21 774512

Send an email