| Customization: | Available |
|---|---|
| After-sales Service: | Provided |
| Warranty: | 2 Years |
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The down-the-hole Mine+Drilling+Rig for open use is an improved device in compliance with national regulations on diesel-engine emissions. Equipped with the Yuchai four-cylinder engine (China III), the drill rig meets national standards for emissions and environment. The folding frame track and four-wheel drive are adopted; track leveling cylinders and the plunger piston tramming motor improve the working pressure and increase the rotary torque and revolving speed; and the lifting oil cylinder and chain are expanded to promote the lifting force and reliability. The thickened profile folder is used for the housing, thus improving its level of intensity and rigidity; and the additional ring makes handling and lifting convenient.
| Model of drill rig | KG420 | KG420H |
| Weight of complete machine | 5200KG | 5400KG |
| Outer dimensions | 6000×2150×2500mm | 6000×2250×2500mm |
| Drilling hardness | f=6-20 | |
| Drilling diameter | Φ90-115mm | |
| Depth of economical drilling | 25m | |
| Rotary speed | 0-120rpm | |
| Rotary torque | 1800N·m | |
| Lifting force | 40KN | |
| Method of Feed | Oil cylinder-leaf chain | |
| Feed stroke | 3980mm | |
| Travelling speed | 0-2.5km/h | |
| Climbing capacity | ≤30° | |
| Ground clearance | 500mm | |
| Tilt angle of Beam | Down: 135°, up: 50°, total: 185° | |
| Swing angle of boom | 100°, right: 45°, total: 145° | |
| Pitch angle of drill boom | Down: 50°, up: 25°, total: 75° | |
| Swing angle of drill boom | Left: 44°, right: 45°, total: 89° | |
| Leveling angle of track | ±10° | |
| Compensation length of beam | 900mm | |
| Supporting power | Yuchai YCD4R23T8-80 (59KW/2400r/min) | |
| DTH hammer | M3 | |
| Drilling rod | Φ64×3m | |
| Air consumption | 10-17m3/min | |
| Maximum height of horizontal hole | 2750mm | |
| Minimum height of horizontal hole | 750mm | |
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