Rotary Blasthole Drilling Rig, KG920BⅢ/KG920BHⅢ

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Surface down-the-hole drill rig for open-pit mining

The rotary blasthole drilling rig is equipped with a 4-cylinder YUCHAI engine with low emission and less pollution. Featured with a piston motor and reinforced continuous track, this heavy machine works better in ramp climbing. Additionally, the wide swing and tilt angles make the unit suitable for various drilling applications. Our rotary blasthole drilling rig has two rotational motors that can boost feed and pull out force and reliable operation of the machine. The drilling rig slide base is arranged in a special way for easy operation and better visibility. The rotary blasthole drilling rig is featured with reinforced materials strong enough for transportation from site to site.

Rotary Blasthole Drilling Rig, KG920BⅢ/KG920BHⅢ

Technical Specifications

Model	KG920BⅢ	KG920BHⅢ
Total weight	4200kg	4400kg
Dimensions	5600×2400×2300mm	5600×2600×2300mm
Rock hardness	F=6-20
Hole diameter	⌀ 90-115mm
Hole depth	25m
RPM	0-110rpm
Maximum rotation torque	1650N.m(Max)
Pull out force	18kN
Feed type	Oil cylinder leaf chain
Feed extension travel	3780mm
Tramming speed	0-2.5km/h
Gradeability	≤30°
Ground clearance	350mm
Tilt angle	Down:135°, up:50°, total:185°
Swing angle	Left:100°, right:45°, total:145°
Boom tilt angle	Down:50°, up:25°, total:75°
Boom swing angle	Left:44°, right:45°, total:89°
Boom extension	900mm
Engine type	YCD4R23T8-80(59kW/2400r/min)/Yuchai YCD4R23T8-80(59kW/2400r/min)
DTH hammer	M30
Drilling rod	Ø64×3m
Flushing air	9-17m³/min
Maximum height of horizontal holes	2750mm
Minimum height of horizontal holes	650mm

Details Recommended Air Compressors
Diesel engine portable screw air compressor
Kaishan LGCY-12/10
Kaishan KSCY-580/13

Note: Air compressor selection depends on the hole diameter and air hose length.

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