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Bucket-wheel excavators have been used in mining for the past century, with some of the first being manufactured in the 1920s. [1] They are used in conjunction with many other pieces of mining machinery (conveyor belts, spreaders, crushing stations, heap-leach systems, etc.) to move and mine massive amounts of overburden (waste). While the ...
Excavator digging in Tokyo, Japan Kobelco Excavator in shovel configuration. The term "backhoe" refers to the action of the bucket, not its location on the vehicle. [2] That is, a backhoe digs by drawing earth backwards, rather than lifting it with a forward motion like a person shovelling, a steam shovel, or a bulldozer.
This became a nuisance when working in confined areas. In 1993 Yanmar launched the world's first Zero Tail Swing excavator, [10] which allows the counterweight to stay inside the width of the tracks as it slews, thus being safer and more user friendly when used in a confined space. This type of machine is now widely used throughout the world.
The excavator is up to 220 m (721 ft) long (slightly shorter than Baggers 287 and 293) and approximately 96 m (315 feet) high. In fact, the Bagger 288 alongside its siblings, are so large, that it has its own on-board toiletry and kitchenette rooms. [10] The Bagger's operation requires 16.56 megawatts of externally supplied electricity. [11]
Bagger 293, previously known as the MAN TAKRAF RB293, is a giant bucket-wheel excavator made by the German industrial company TAKRAF, formerly an East German Kombinat. [ 5 ] [ 6 ] It owns and shares some records for terrestrial vehicle size in the Guinness Book of Records .
Taiwan, whose companies are key producers of tech products such as semiconductors and electronics parts, is vulnerable given that many have factories in both Mexico and China and because Trump has ...