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Cmj1 14 Coal Mine Track Drilling Jumbo - China

price: contact company for price

CMJ1-14 is mainly used to drill blast holes for tunneling constructions

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

engineering, etc. This series uses all hydraulic drive, 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. 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 can drill bolt hole conveniently with our

patent impeller.

Item Parameter

Body Overall size(l×b×h)mm 7050×900×1736

Hole diameter mm φ42

Drill pipe length mm 2475

Hole depth m 2.1

Drilling speed m/min 0.8-2

Section (b×h)m 2×2~3.5×3.5

Total power KW 32.2

Total weight KG ~6000

Bottom Min. turning radius (spot turn) m 4.5

Running speed km/h 2.5

Climbing capability (smooth-riding surface) ~28°

Boom Up and down up55° down16°

Swing boom inner30.5° outer30.5°

Compensation mm 1500

Rotation angle positive180°negative180°

Thruster Pitching down105° up15°

Swing angle inner45° outer45°

Total length mm 3980

Hole depth mm 2100

Max. Propulsion N 9000

Air system Blowing hole air pressure Mpa 0.7

Oil tank air pressure Mpa 0.03

Rock drill air pressure Mpa 0.4

Water system Rock drill water pressure (≥) Mpa 1.2

Colder water pressure (≤) Mpa 0.6


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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