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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