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    PRODUCTS > Core Drill > SM-300 Full Hydraulic Core Drilling Rig

    SM-300 Full Hydraulic Core Drilling Rig

    SM-300 Rig is crawler mounted with top hydraulic drive rig. It is the new style rig our company designed and produced.

    1. Application Range

    The rig is mainly use for diamond bit drilling and carbide bit drilling of solid bed. It also can be use in underpinning and pile drilling, geotechnical surveys drilling and mineral exploration drilling etc.

    2. Main Features

    (1) Top hydraulic head driver is droved by two high speed hydraulic motor. It can supply the great torque and the wide range of the rotation speeds.

    (2) Feeding and the lifting system adopt the hydraulic motor driving and chain transmission. It has the long feeding distance and giving the convenient for the drilling.

    (3) The V style orbit in the mast cans sure the enough rigidity between the top hydraulic head and the mast and gives the stability at the high rotation speed.

    (4) Rod unscrew system make the operation simply.

    (5) Hydraulic winch for lifting have the better lifting stability and good braking ability.

    (6) Electric controlling system has center control and the three emergency stop buttons.

    (7) Main center control table can move as your wants. Show you the speed of the rotation, the feeding and lifting speed and the pressure of the hydraulic system.

    (8) The rig hydraulic system adopt the variable pump, electric controlling proportion valves and multi-circuit valves.

    (9) Steel crawler drive by the hydraulic motor, so the rig has a wide maneuverability.

    3. Technical parameters

    Fundamental
      parameters

    Hole diameter

    110-250mm

    Drilling ability

    30-300m

    Drilling rod

    73,89mm

    Drilling angle

    all directions

    Overall dimension

    Horizon

    6000*2300*3300mm

    Vertical

    6000*2600*6000mm

    Weight

    9000kg

    Rotation unit
      (hydraulic drive
      head)

    Rotation speed

    Single
      motor

    Low speed

    0-190r/min

    High speed

    0-610r/min

    Double
      motor

    Low speed

    0-95r/min

    High speed

    0-305r/min

    Max. torque

    3900Nm

    Drilling stroke

    3500mm

    Rod clamping system

    Range of clamping

    50-219mm

    Clamping force

    6000Nm

    Feeding system
      single hydraulic
      motor driving the
      chains

    Lifting force

    80KN

    Feeding force

    80KN

    Lifting speed

    6-25m/min

    Feeding speed

    6-25m/min

    Main winch

    Lifting speed

    0.4-0.9m/s

    Lifting force

    25KN

    Cable diameter

    14mm

    Cable length

    50m

    Traction
      mechanism-steel
      crawlers

    Speed in theory

    2.0Km/h

    Rated drive force

    10.25KNm

    Climb slopping ability

    Upgrade

    25°

    Downgrade

    25°

    Ground clearance

    200mm

    Crawler widen

    450mm

    Crawler center distance

    2570mm

    Ground pressure

    ≤35KPa

    Engine

    Type of diesel(turbo)

    Cummins4BTA3.9-C125

    Rating power

    93KW

    Rating rotation speed

    2300r/min


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