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  • Cmj2 18 Coal Mine Track Double Booms Hydraulic Drilling Rig - China

    price: contact company for price

    CMJ2-18 is mainly used to drill blast holes for tunneling constructions

    in mining, metallurgy, water and electricity, railway, highway

    engineering, etc. This series use all hydraulic drive, two booms work

    together, with high efficiency and speed which can be 0.8-2 m/min. The

    advanced hydraulically controlled drilling system, which is safe and

    simple to operate, incorporates the auto stop and anti-jamming function,

    auto-stop at end-point, auto wash. This jumbo has a small body, runs

    with the crawler, can climbing flexibly on large slop. Working with

    electric motor can improve the working environment a lot, reduces noise,

    dust and energy consumption. The flexible hydraulic rock drill can work

    on the section, roof, side and floor. The jumbo cannot only drill blast

    hole, according to the basis of section, it also can drill bolt hole

    conveniently with our patent impeller.

    Item Parameter

    Body Overall size (l×b×h)mm 8640×1250×2450

    Hole diameter mm φ27~φ45

    Drill pipe length mm 3090

    Hole depth mm 2700

    Drilling speed m/min 0.8~2

    Section (b×h)m 2.5×2.5~5.5×4.5

    Total power KW 45+2.2+7.5

    Total weight T 9.0

    Bottom Min. turning radius m Spot turn

    Running speed km/h ≤2.5

    Climbing capability 20°

    Boom Up and down up55° down16°

    Swing boom inner14° outer47°

    Compensation mm 1500

    Rotation positive180° negative180°

    Thruster Pitching down105° up15°

    Swing angle inner45° outer45°

    Total length mm 4580

    Distance mm 2700

    Max. Propulsion N 9000

    Hydraulic rock drill Model number HYD200

    Impacting oil pressure MPa 14~16

    Impacting flow L/min 30~45

    Torque N·m 60~260

    Impacting energy J 100~200

    Impacting frequency Hz 34~67

    Rotation speed r/min 200

    Weight kg 115

    Hydraulic system Impacting loop pressure Mpa 16

    Drill pipe rotation loop pressure Mpa 15

    Compensation loop pressure Mpa 10

    Boom loop pressure Mpa 17.5

    Propulsion loop pressure Mpa 10

    Leg extension loop pressure Mpa 18.5

    Running loop pressure Mpa 15

    Air system Drop tank air pressure Mpa 0.03

    Blowing hole air pressure Mpa 0.7

    Rock drill air pressure Mpa 0.4

    Water system Rock drill water pressure Mpa 0.8-1.5

    Colder water pressure Mpa 0.6

    Electric system Installed power KW 45+7.5+2.2

    Supply voltage V 380/660

    Rated current A 84.2/48.6

    Electric motor rotation speed r/min 1470

    Switch box Explosion Insulated & intrinsically safe


    Company Contact:


    • Phone: 863158303760

    • Address: 500 meters east of Huagong Bridge,Yinxi Developmen, Tangshan, China

    • Email: Email


    Published date: August 30, 2013 -

    • Business Description: involved in international trade import export of goods, products, and services

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