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Surface Miner 2500 SM
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Catalog excerpts

Surface Miner 2500 SM - 1

Economical mining of hard rock

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Surface Miner 2500 SM - 2

Highly efficient mining of hard rock without drilling and blasting Designed for tough ­mining operations The tried-and-tested 2500 SM s ­ urface miner is used for the selective mining of medium-hard to hard rock with unconfined compressive strengths of up to 80 MPa. The materials mined include limestone, kimberlite, bauxite, iron ore, phosphate and oil shale. Efficient continuous operation is ensured by heavy-­ uty d components such as the 2.5 m wide mechanically driven cutting drum, separately height-adjustable track units and two-stage material loading system. The surface miner cuts,...

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Surface Miner 2500 SM - 3

Cutting performance of the Wirtgen 2500 SM surface miner Loose rock Coarse-grained rock Fine-grained rock Solid rock A story of success: more than 75 Wirtgen surface miners are in operation in the hardrock mining industry around the globe. Biting its way through extremely hard rock: this 2500 SM is employed in routing operations for the construction of a federal road in the USA. A single operation instead of four – with the Wirtgen 2500 SM surface miner

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Surface Miner 2500 SM - 4

Highly economical Wirtgen cutting technology Application-specific drum design Following an in-depth analysis of customer requirements by our mining experts, the 2.5 m wide cutting drum is designed to precisely fit the application it is intended for, which includes selection of the toolholder system and type of mining tool, definition of the most suitable tool spacing and positioning of the toolholders. Specially designed tools are used depending on the type and hardness of the rock to be mined. The cutting drum and drum housing are equipped with special wearing elements to allow the mining...

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Surface Miner 2500 SM - 5

HT15 quick-change toolholder system The innovative HT15 quick-change toolholder system ensures maximum tool utilization while minimizing breaks in operation. Specially heat-treated holder shank for increased strength. Material guides to protect the bottom part from abrasive wear. Heavy-duty shank mounting for the use of Wirtgen point-attack cutting tools. Pronounced recesses in bottom part to protect internal threads and bolts from damage. Precise contact surfaces between upper part and bottom part for transfer of the cutting forces. Large opening in upper part to ensure optimum access...

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Surface Miner 2500 SM - 6

Reliable loading of large quantities of rock The high-capacity discharge conveyor can be slewed about 90° to the left ...

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Surface Miner 2500 SM - 7

Flexible loading The 2500 SM offers various options for loading the mining material. Depending on application requirements, the material is either loaded on heavy-duty dump trucks via the 11.3 m long discharge conveyor, discharged to the side of the miner by means of the slewable discharge conveyor or deposited in a windrow behind the machine. The counterweight provides stability, for example, when discharging the mined material to the side of the machine. The counterweight can be folded up hydraulically when cutting along steep embankment walls. The discharge conveyor is distinctive for...

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Surface Miner 2500 SM - 8

Fully equipped for operations in difficult terrain Driving in crab mode or steering all four track units at extreme angles – no problem at all for the 2500 SM. All four track units can be adjusted in height separately via h ­ ydraulic cylinders to allow setting of the cutting depth and cross slope.

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Surface Miner 2500 SM - 9

Three steering modes Steering the front track units All-track steering Gaining ground easily The 2500 SM makes good headway even on difficult ground and in restricted space conditions. An all-track steering system offering three different, freely selectable steering modes gives the miner exceptional manoeuvrability. The rear and front tracks are steered in opposite directions when moving into position; the front tracks are steered to produce long, straight cuts; and all four track units are steered in the same direction in crab mode to enable lateral repositioning of the miner. A hydraulic...

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Surface Miner 2500 SM - 10

True operator comfort The operator is in full control Fitted with large glass windows, the operator’s cabin offers good visibility, perfect ergonomic design and ease of operation to ensure full control of the entire mining process. A camera system comprising two cameras plus one display can additionally be installed in the cabin at the customer’s request to allow full monitoring of the area at the rear of the machine. The air-sprung comfort driver’s seat can be fully adjusted to suit the operator’s needs and rotated about 270°, enabling the operator to monitor the loading process. All...

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Surface Miner 2500 SM - 11

Quick maintenance boosts productivity High availability The 2500 SM is often operated on a 24-hour basis – minimizing maintenance requirements is therefore of vital importance. The miner has been designed to allow the quick replacement of wearing parts and to ensure ready access to all points of maintenance, such as the diesel engine or cutting drum. Replacing cutting tools and toolholders is easy thanks to the hydraulic tool extractor, drum turning device and innovative HT15 quick-change toolholder system. Combined, these features significantly increase machine availability. The...

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Surface Miner 2500 SM - 12

There can be no compromises on safety

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Surface Miner 2500 SM - 13

Strict mining regulations in focus Wirtgen is first and foremost concerned with the safety of operators and maintenance staff. The extremely strict mining regulations are fully complied with: the miner’s access ladders and walkways have been produced from non-slip materials and are brightly illuminated – as are all of the servicing points. Grated walkways and standardized railings are provided wherever regular checks and servicing work need to be carried out on machine components. Starting the machine by accident during maintenance procedures is prevented by the battery master switch....

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Surface Miner 2500 SM - 15

Machine weights Empty weight Maximum operating weight, full tanks Transport weights of individual components Ground transport Weight of packing unit No. 1: module 1 (machine frame, track units, engine station, primary conveyor, operator’s cabin) Weight of packing unit No. 2: module 2 (slewing ring, conveyor suspension, counterweight, transport box with various attachment parts) and module 3 (discharge conveyor) Sea transport Weight of packing unit No. 1: module 1 (machine frame, track units, engine station, primary conveyor, operator’s cabin) Weight of packing unit No. 2: module 2 (slewing...

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