220 SM 3.8
220 SM 3.8
Surface Miner
3,800 mm
350 mm
EU not rated/US EPA Tier 2
Maximum performance in soft rock
- The design of the 3.8 m cutting drum unit of the 220 SM 3.8 / 220 SMi 3.8 models is optimised for the mining and quarrying of soft rock and guarantees maximum productivity and minimised operating costs.
- The Surface Miner extracts natural resources with a uniaxial compressive strength of up to 35 MPa to cutting depths of up to 350 mm.
- The 220 SM 3.8 / 220 SMi 3.8 models are the ideal choice for use in all mining and quarrying operations, regardless of their size.
- Natural resources are extracted in high quality without drilling and blasting in a single, environmentally compatible operation.
- When using the windrowing method, the extracted material is continuously deposited in rows behind the machine.
Technologies
Surface Mining
As the surface miner moves forward, a special cutting drum rotates against the direction of travel, cutting layers of material from the rock formations and crushing it in the process. The primary conveyor picks up the material in the drum housing and transports it towards the rear of the machine, where it is then accepted by the slewable and height-adjustable discharge conveyor. The discharge conveyor loads the material into trucks or dumpers or discharges it to the side of the miner. The discharge height can be adjusted to the height of the transport vehicles. The surface miner is driven via four steerable and height-adjustable track units. An automatic levelling system ensures precise adherence to the cutting depth, thus enabling even thin seams or layers to be mined selectively and with maximum accuracy.
WIRTGEN cutting technology
Results of high quality are the main goal of every construction project. This applies to road rehabilitation using cold milling machines and cold recyclers as well as to soil stabilization and the extraction of useful minerals using surface miners. Optimum interaction between the milling drum, toolholder and pick is essential for precise, efficient paving removal.
WIRTGEN is a market leader in cutting technology and offers customers perfectly matched, high-performance cutting systems. WIRTGEN is also constantly developing its cutting technology components further. Such further developments are largely based on practical experience and feedback from our customers.
WIRTGEN levelling technology
WIRTGEN levelling technology controls height, depth and slope to achieve results of maximum precision. In the process, the system continuously reconciles the actual values with a preselected target value, correcting any deviations by means of proportional control. State-of-the-art machine engineering ensures levelling results of consistently high quality while at the same time relieving the machine operator of a significant part of his workload.
WIRTGEN offers customers reliable hardware and software developed in-house. Different systems are used depending on the construction project to be completed and local conditions on site.
Technical specifications
- Exhaust emissions category
EU not rated/US EPA Tier 2
Operating weight, CE
58,050 kg
Displacement
30.5 l
Max. working speed
0 – 84 m/min (0 – 5 km/h )
Max. travel speed
0 – 84 m/min (0 – 5 km/h )
- Cutting width max.
3,800 mm
- Cutting depth
350 mm
- Rated power
708 kW / 963 HP 2,100 rpm
Contact us for quotes and prices!
All details, illustrations and texts are non-binding and may include special equipment. We reserve the right to make technical changes without prior notice. Performance data are dependent upon actual operational conditions.