How It Work Electrical System Of Conveyor Crusher Machine. How It Work Electrical System Of Conveyor Crusher Machine Metal Chip Crushers and Shredders National Conveyors Developed than 50 years ago by Arboga Darenth AB of Arboga, Sweden, the Arboga vertical shaft crusher is recognized throughout the world as a superior machine for size reduction of bushy metal turnings.The system and the flow of the coal from the dumping point to the dome. The system consists of a hopper, crusher, coal analyser, conveyor belt system, transfer towers, dome, stacker, reclaimer, and emergency reclaimer. Truck (a) dumps the coal through the hopper (b) into the crusher (c). Crushed coal is transported by the belt conveyor.