Rock Products

SEP 2017

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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Page 38 of 55 ROCK products • September 2017 • 37 EQUIPMENT & TECHNOLOGY SCREENING & SIZING The Trio TIO Series screen range from Weir is designed for continuous operation in the most demanding wet and dry applications. TIO screens are available in 2-, 3- and 4-deck configurations with a feed acceptance size up to 8 in. Screen-support decks can be supplied to accommodate all media types including woven wire mesh, urethane, rubber mats, self-cleaning mesh and punch plate. These screens are oil lubricated and the operating angles can vary from 15 to 20 degrees depending on the velocity required for stratification. Key features/benefits include: • The stroke or amplitude is simple to adjust with counter- weights that are bolted to the flywheels. •  The vibrating units are attached with threaded bolts for easy servicing. •  Trio uses advanced materials and manufacturing processes to improve service life of critical components and lower maintenance and operating costs. The TIO screen range is designed for stationary and mobile operations in secondary and finish sizing applications. These screens can be used for both wet and dry continuous-duty operating scenarios. For use in aggregate processing, mining and industrial minerals screening applications, environmen- tal mitigation and recycling separation processes. Weir, Sandvik Offers New QA335 Doublescreen Sandvik Construction offers the new QA335 Doublescreen. Featur- ing a patented technology that gives you ultimate screening flexibility, this new mid-sized unit offers a highly effi- cient, versatile and productive solution designed with your needs in mind. Based around a 13- x 5-ft. Double- screen, the new QA335 includes many features for ease of operation and high levels of efficiency. These include a user-friendly electrical control system with sequential start up, hydrau- lic screen separation to aid screen media changes and a fuel efficient 74.5 kW/100 hp engine. The QA335 has been designed with wrap-around walkways to provide a Weir Trio TIO Series Screen Range Designed for Continuous Operation safe working platform for service and maintenance with these being hydrau- lically operated enabling quick set-up times. The QA335 also features radio control with two-speed tracking for ease of maneuverability on site, and an oil cooler fitted as standard. The innovative Doublescreen technol- ogy is one of the most adaptable and flexible screening solutions available on the market today, the company said. It consists of two high-velocity screen boxes featuring independent screen drives with the ability to adjust the working angle of each screen inde- pendently to each other to suit the exact requirements of your application. This offers you greater adjustability, increased accuracy and higher screen- ing efficiency, which makes it ideal for producing tight specification products, without compromising on production. Sandvik, www.miningandconstruc-

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