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    Air hydraulic drilling unit BE(f) 22

    The basic design of the BE(f) 22 consists of a vane motor powered by compressed air, a pneumatic cylinder, and a closed hydraulic system. The total stroke length can be variably subdivided into rapid advance and working feed across the whole range. The throttle/check valve in the hydraulic system permits exact setting of the feed rate and high speed return.

    Facts
    Power
    250 [W]
    Speed (idle)
    500–22 000 [rpm]
    Torque*
    9,9–0,25 [Nm]
    Thrust (max)
    600 [N]
    Stroke (max)
    30 (60) [mm]
    Min CCSS**
    45 [mm]
    Run-Out***
    <0.03
    Functions:
    Extremely compact design
    Built-in hydraulics for controlled working feed
    Adjustment of drilling depth with positive stop guarantees a high degree of accuracy
    Low noise level
    Minimal air consumption

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