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KJ421 is a two-boom, electro-hydraulic mining development drill rig, engineered for fast and accurate drilling. This mining jumbo provides reliability of face drilling, cross-cut drilling and bolt-hole drilling in tunneling of 16-68-square-meter cross sections. Well-designed, structures and proven components ensure this mining jumbo a reliable workplace for both operators and maintenance crews. Optimised drilling control system will help to keep holes straight, reduce jammings and maximize the tool life consistently.
Quick Facts
» Drifter / rock drill: HC95SA, 20 kW,
» Feed 360-degree rollover and ±45° Swing,ideal for cross cutting and bolting,
» Hole diameter: 64 - 102 mm with HC95LM Rock Drill/Drifter,
» Coverage: 16 - 68 m2,
» Engine power: 93kw/2200rpm Cummins,
» Motor power:75 kw ABB*2.
Features
- heavy-duty boom with double tripod suspension for accurate hydraulic parallel holding in all directions,
- heavy-duty aluminium feed with high bending and torsional resistance for maximum durability,
- FOPS/ROPS-certified cabin/canopy offers increased safety for operators,
- Troubleshooting, fault finding and maintenance made easy,
- Spare part commonality across product family.
- Widest range of automatic drilling functions helps to achieve reduced overbreaking with maximised pull-out per blast
- Dual control option for tough and intensive multi-task usage -drill can be used for both ground support and standard face drilling purposes
Technical Specifications
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