Pit & Quarry, August 2018

PORTABLE PLANTS Optimize throughput with impact crusher EvOQUIPS Cobra 230 impact crusher works in a number of applications including quarrying construction and demolition asphalt recycling and contract crushing The crusher features quick setup times and an intuitive control system the company says As material moves from the feeder through the impactor and onto the product belt each section widens in order to ensure unrestricted flow The crusher is designed with ample under crusher clearance and the ability to lower the product conveyor while it is still running The Cobra 230 uses a high performing direct drive system for power Two independent hydraulically controlled aprons allow operators to optimize the material throughput and reduction while ensuring fuel efficiency www terex com evoquip Quick setup machine produces 385 tph RUBBLE MASTER S RM 120G0 new to the North American market is a custom crushing solution for contractors large asphalt paving contractors road builders and demolition contractors The RM 120GO offers a production capacity of up to 385 tph without sacrificing mobility and can be unloaded and set up for crushing in a closed circuit configuration in less than 20 minutes without the need for special hand tools the company says Weighing just 90000 pounds in a closed circuit configuration the RM 120GO features the options and tonnage requirements without the weight and hassle according to Rubble Master The RM 120GO also features the companys diesel over electric drive system www rubblemaster com en Cone crusher driven by electric motor The KEESTRACK H6e mobile cone crusher has a maximum feed size of 215 mm variable crushing chamber configurations and stroke settings that allow for a wide closed side setting range of 6 to 44 mm The crusher is driven by a 220 kW electric motor while a 345 kW Volvo diesel engine with a connected 500 kVA generator supplies the onboard energy The H6e also features a 1200 mm wide hydraulically driven belt feeder with integrated metal detector that feeds material from the 8 meter hopper with a load release device The screen box features a total area of 245 meters over three decks and has a sensor monitored hydraulic drive with all belts powered by electric drum drive www keestrack com Mobile impactor reduces wear fuel costs The KLEEMANN MR 130 Zi EVO2 impactor can be equipped with optional secondary vibrating screens with extra large screening surfaces mounted on the discharge conveyor This secondary screening unit can produce spec material potentially eliminating the need for a separate screen The feeding unit has hydraulically folding hopper walls and a locking system which speeds up setup A vibrating independent double deck prescreen between the hopper and crusher eliminates fines from the product flow before they enter the crusher reducing wear and cutting fuel costs These crushers feature a new inlet geometry which allows better penetration of the material into the range of the rotor Also the wear behavior of the new C form impact ledges is improved so the edges remain sharper longer www wirtgen group com america 24 PIT QUARRY August 2018 pitandquarry com