10 Russia 
3 UK 
2 Singapore 
1 Australia 
1 Brazil 
1 Finland 
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×hᦀ 9;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:
Published date: August 30, 2013
- Business Description: involved in international trade import export of goods, products, and services
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