M515 Processing Rip-Rap

The MDS M515 provides a solution for a multinational quarry\'s operations in the, U.S.A which received a large order to produce Rip-Rap material for a sea defense project. Their quarries were plagued by rip-rap embedded with stubborn dirt veins. Despite previous attempts with conventional screens yielding no success, the company was determined to find a solution. The Challenge The job required an oversize material of (12\"-31.5\"") 300-800mm and a mid-product size of (6\""-12\"") 150mm-300mm. The quarry rock had been blasted and contained material up to (30”) 750mm. A traditional scalping screen could not give the required 2 products in one pass due to the size restrictions between the top and middle deck of screens. The Solution The MDS M515 has a 1.5m wide drum