bucket-wheel excavator


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bucket-wheel excavator

[′bək·ət ‚wēl ′ek·skə‚vād·ər]
(mechanical engineering)
A continuous digging machine used extensively in large-scale stripping and mining. Abbreviated BWE. Also known as rotary excavator.

bucket-wheel excavator

An excavating machine having a rotating wheel fitted with toothed-edged buckets; used to dig a layer of earth and load it onto a conveyor belt as the machine moves forward under its own power.
References in periodicals archive ?
and Jurman, J.: 2012, Methodology devising for bucket-wheel excavator surveying by laser scanning method to determine its main geometrical parameters.
A Leica ScanStation C10 3D pulse laser scanner was used to scan the K800/N1/103 bucket-wheel excavator. The Leica ScanStation C10 is the most popular model of the ScanStation pulse laser scanner series.
Control points were identified on the ground and on the bucket-wheel excavator to place the model in a reference system and to combine all partial scans into one.
Establishing key bucket-wheel excavator geometric parameters
Similarly, a B-E 295 face shovel now stands as a monument to the coal industry at Carmaux in France, together with a 400-ton bucket-wheel excavator and some Haulpak trucks.
This experience includes that gained during the 1970s and 1980s when the company designed and delivered 13 SRs(K)2000 bucket-wheel excavators for use in the Ekibastus coalfield in Kazakhstan.
More recently, in 2015, the company delivered two 5,460 Icm/h (loose cubic meters per hour) bucket-wheel excavators to the Neyveli lignite mines in southern India where the problem was not one of hard rock to excavate, but where the overburden is extremely variable--ranging from soft and sticky at the one extreme to hard and very abrasive at the other.
Trojanovo North is the largest of the three, employing 14 bucket-wheel excavators, two bucket-chain excavators and 11 spreaders.
It employs 12 bucket-wheel excavators and five spreaders.
This overburden is primarily stripped by bucket-wheel excavators (three units) with mobile transfer belts that feed onto shiftable bench belt-conveyors running to an inclined main belt-conveyor system (two belts), which ascends a 16 ramp at the edge of the pit.