| Customization: | Available |
|---|---|
| Bit Type: | Diamond Bit |
| Drill Hole Diameter: | <100mm |
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KJ321 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 8-60-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: HC95LM, 21 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: 8 - 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.
Technical Specifications
| Hydraulic Drifter/Rock Drill | Control System | ||
| Type | HC95LM | Anti-jamming control | Yes |
| Percussion power | 21kW | Rotation control | Adjustable/Reversible |
| Percussion pressure | Max. 200 bar | Flushing control | Water flow and pressure |
| Percussion rate | 54 - 62 Hz | Percussion control | Adjustable power |
| Rotation torque | 764 Nm | Voltagel | 24V |
| Hole size (bolting) | ∅64 - 102mm | Carrier | |
| Shank adapter | T45 / T38 male | Type of carrier | Frame-steered |
| Boom | Carrier articulation | ± 40° | |
| Parallel holding | Complete | Rear axle oscillation | ±10° |
| Lifting angle | Up55°,down 16° | Cummins engine QSB-C80-31 | 93 kW,Tier 3 |
| Swing | left 35°,right 35° | Transmission Hydrodynamic | DT20000 |
| Extension | 1800 mm | Front / Rear Axles | DANA 123 |
| Feed extension | 1600 mm | Tires | 14.00-24 |
| Feed roll-over angle | 360° Rotaty Actuator | Service brakes | Hydraulic wet disc |
| Hydraulic System | Parking and emergency brakes | SAHR fail safewet disc | |
| Powerpack | 2 x 75 kW | Tramming speed | Max.16 km/h |
| Percussion pump | 100 cc (variable) | Gradeability / sideways tilt | Max. 15° / 5° |
| Rotation pump | 45 cc (gear) | Ground clearance | 370 mm |
| Filtration | 10 µ | Centralized greasing points | 10 ports |
| Oil tank volume | 300 liters | Air And Water System | |
| Cooler for hydraulic oil | Oil-to-water 2 x 30 kW | Flushing | By water |
| Electric System | Water pump capacity | 190 l/min | |
| Standard voltages | 380 - 690 V (± 10%), 50 or 60 Hz | Rock drill oil consumption | 180 - 250 g/h |
| Total installed power | 160 kW | Rock drill air consumption | 360 l/min |
| Batteries(Chargeable) | 2 x 12 V, 120 Ah | Air compressor | 1.55 m³/min (7 bar) |
| Cable Reel | 80m-100m | Overall with steels 3.7m,others depending on options. | |
| Cable reel lubrication | Manual | Weight | 25000 kg |
| Cable reel mud clean | Manual | Transport length | 13000 mm |
| Front lights | 6 x 50W LED (4200 lm, 6000 K) | Tramming / drilling width | 2200 mm / 3010 mm |
| Rear lights | 4 x 50W LED (4200 lm, 6000 K) | Tramming / drilling height | 2400 mm / 3100 mm |
| Percussion hour meters | Optional | Turning width(T-section) | 4060 mm |
| Operator remote control | Optional | Turning radius(Inner/Outter) | R3700 / R7300 mm |
Underground mining machines, one stop supplying.
1. Rock bolting rigs / Rock support drill rigs
2, production jumbo
3, Scalers
4, low profile jumbo drill rigs
5, Development Jumbo Drill Rigs
6, LHD and Dump Trucks
7, BullDozer
8, Surface operation
Excavators
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