Rock Products

MAY 2018

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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36 • ROCK products • May 2018 www.rockproducts.com Crushing Feature Lippmann's wheel-mounted portable jaw plants provide a durable, high-production jaw crusher on a stout, easy-to-move truck frame. These plants also feature the rugged Lippmann feeder, capa- ble of handling side or rear loading from various types of equipment. Lippmann also offers multi- ple discharge conveyor configurations, including a front discharge configuration, an extended front discharge configuration, and a side discharge con- figuration. Combining standard configurations for various applications with a willingness to develop custom solutions for every plant gives each cus- tomer the kind of flexibility that translates into success in the field. Lippmann, www.lippmann-milwaukee.com Keestrack Keestrack offers its new H4 tracked cone crusher. The light and com- pact plant features the KT-H4 cone crusher, adapted and supplied by a world-leading cone specialist. The fully automated unit produces up to 250 tph at maximum feed sizes of 7-in. The wide variety of concaves allows a high flexibility in secondary or tertiary production of highly defined end fractions. To optimize production, the plant can be optionally equipped with a pre-screen with fines chute and – as a world's first – with a highly efficient three-deck secondary screen module with recycling con- veyor for closed-circuit processing. A big feeder volume, large screening areas and high stockpile capacities allow very productive operations as in-line or stand-alone unit. The H4 features a hybrid diesel-electric drive concept [345 kW Diesel (Tier 4f )/330 kVA Genset/135 kW E-drive for crusher]. This guarantees economic fuel consumption and ease of maintenance through the wide use of electric motors on screens and conveyors. The recently introduced full-hybrid version H4e even allows full electric operation through mains or an external genset. An additional electric motor/hydro pump then supplies the hydraulic driven feeder, the secondary screen module, the tracks and all hydraulic cylinders. Keestrack, www.keestrack.com KPI-JCI, Astec Mobile Screens Kolberg-Pioneer Inc. (KPI), Johnson Crushers International (JCI) and Astec Mobile Screens offer modular structures to their system offerings. KPI- JCI and Astec Mobile Screens offer a complete line of pre-engineered modular crushing, screening and conveying components for a variety of applications. The modular systems feature bolt-together design for simple installation, smaller site footprint and easy access for maintenance compared to normal stick-built systems. These systems are available in 150- to 500-tph configurations to meet produc- tion needs and allow for incremental growth. The cost-effective modules are easily transported in standard shipping containers or flatbed trailers for quick reassembly at different sites. KPI-JCI and Astec Mobile Screens, www.kpijci.com Lippmann

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