A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining. The primary function of BWEs is to act as a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day.
How are bucket-wheel excavators powered?
NASA’s Crawler-Transporter still remains the largest self-propelled land vehicle in the world, since bucket-wheel excavators are powered by an external power source, and the Overburden Conveyor Bridge F60s hold the title of largest land vehicle of any type by physical dimensions. …
Which cut is done by bucket wheel excavator?
Dropping Cut, • In drop cut, the bucket wheel is lowered by the depth of one chip after each change of chip, and if necessary, the machine is traveled back a little. This working method is particularly recommended for harder material to avoid oversized lumps.
How many pounds is a bucket wheel excavator?
Bucket-Wheel Excavator Towering 310 feet high and weighing 31.3 million pounds, the Bagger 293 holds a Guiness World Record as the largest and heaviest land vehicle in the world.