| Customization: | Available |
|---|---|
| Bit Type: | Diamond Bit |
| Drill Hole Diameter: | <100mm |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Time-proven robust design and common sense control system ensure great reliability. Boomer 281 is optimized for small-to-medium size tunnels and drifts up to 6 m high * 6 m wide. BUT 28 is a heavy-duty hydraulic boom with unique features for efficient and trouble-free operation, with coverage area of 48 m2. It is intended for use in mining and tunneling, and designed for operation within medium-size drifts and underground openings
Technical Specifications
| Boom |
| • Boom .......................................................................................................................BUT 28 |
| • Feed extension .......................................................................................... 1 250 mm |
| • Boom extension ........................................................................................ 1 250 mm |
| • Parallel holding ...........................................................................................complete |
| • Feed roll-over ......................................................................................................... 360° |
| • Max. lifting angle ....................................................................................... +65°/-30° |
| • Boom swing angle L/R ..................................................................................... ±35° |
| • Weight, Boom only ..................................................................................... 1 750 kg |
| Hydraulic system |
| • Hydraulic pumps...................................................................................................1 unit |
| • Pumps unloaded at start |
| • System pressure, max....................................................................150 - 230 bar |
| • Hydraulic oil tank, volume max.................................................................. 124 L |
| • Oil temperature meter |
| • Manual oil filling pump |
| • Oil filter indicator |
| • Low oil level indicator |
| • Water cooled oil |
| • Filtration.................................................................................................................. 20 μm |
| • Mineral hydraulic oil |
| Carrier |
| • Deutz TCD3.6L4, 4-cylinder, water-cooled diesel engine, |
| Chinese Stage III |
| • Power rating at 2 300 rpm......................................................55.4 kW (75 hp) |
| • Torque at 1 300 rpm ............................................................... ...................390 Nm |
| • Articulated steering........................................................... ±41° steering angle |
| • Fixed seat for tramming |
| • Four-wheel drive |
| • Hydrostatic transmission................................................................Clark 12000 |
| • Front axle........................................................................................................ Dana 123 |
| • Rear axle........................................................................ Dana 123, ±6° oscillation |
| • Automatic differential, limited slip 45% rear axle |
| • Tyres.........................................................................................Michelin 12.00 x R20 |
| • Clearance outside axles...................................................................................... 15º |
| • Hydraulic jacks, front..................................................................... 2 extendable |
| • Hydraulic jacks, rear.....................................................................................................2 |
| • Service brakes.........................................................................2 separate circuits |
| • Emergency and parking brakes................................................................SAHR |
| • Fuel tank, volume.................................................................................................. 60 l |
| • Silencer |
| • Electric system.........................................................................................................24 V |
| • Batteries..............................................................................................2 x 12 W, 70 Ah |
| • Tramming lights...............................................................LED 8 x 25W, 24V DC |
| • Working lights...................................................................LED 4 x 50W, 24V DC |
| • Fire extinguisher |
| • Central lubrication system |
| • Spirit level |
| • Gradeability at max load on drive wheels................................................ 1:4 |
| • Horn, beacon and reverse alarm |
| Water system |
| • Hydraulic driven water booster pump................ Lowara 5SV11F015T |
| • Water booster pump working capacity, l/s.....................................0.7-2.4 |
| • Water booster pump working pressure, bar............................................ 25 |
| • Min. water inlet pressure, bar.................................................................................2 |
| • Water flow guard |
| Electrical system |
| • Total installed power........................................................................................63 kW |
| • Main motor.......................................................................................................1 x 55 kW |
| • Voltage.....................................................................................................380 - 1 000 V |
| • Frequency...............................................................................................50 Hz - 60Hz |
| Air system |
| • Electronically driven piston Compressor...................Atlas Copco LE3 |
| • Capacity max. at 7 bar....................................................................................4.4 L/s |
| • Air pressure gauge |
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, Autonomous Development Jumbo Drill Rigs
6, LHD and Dump Trucks
7, BullDozer
8, Surface operation
Excavators
..........................................
Any more machine purchasing, please feel free to contact us.
){kind=link}