Rock Products

JUN 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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32 • ROCK products • June 2018 Screening combining PipeTop II stringers with Maxi screen panel design). •  Extended wear life – up to 30 percent more than steel media. • Versatile fastening systems. •  Superior resistance to blinding and pegging. • Effectively reduces noise by as much as 50 percent over steel media. •  Modular screen panel design is easier to handle, install and remove than traditional screen mats. Rhino Hyde Rhino Hyde modular panels are avail- able to fit most existing modular deck systems. Its modular panels are engi- neered to maximize production and minimize wear. Features include: •  Available in single and dual durometer. •  Membrane panels for blinding applications. • Many square and slotted openings. • Cost-effective guarantee. The company said it has replacement panels for almost all current modular systems. RhinoHyde modular panels have been extensively utilized and tested over the past 20 years. The company's materials are custom engineered to meet the demanding requirements of aggregate screening. By formulating and blending its own urethane, RhinoHyde is uniquely posi- tioned to offer an excellent wearing, cost-effective product. Sandvik Sandvik Mobile Crushers and Screens introduced a new addition to the Sand- vik 341 jaw crusher range with the launch of the new Sandvik QJ341+. The new pre-screen feature on the Sandvik QJ341 provides high ampli- tude for excellent separation. This enables the removal of a large amount of fines, resulting in greater efficiency, higher productivity and less wear on the crusher. The Sandvik QJ341+ will therefore be particularly effective in quarrying applications where a high proportion of fines in the feed material are found, as the new pre-screen "screens out" this material prior to entering the crushing chamber. Test results have already demonstrated increased productivity by as much as 30 percent in certain applications. To complement the pre-screen, the company has designed a new tele- scopic natural fines conveyor, with a discharge height of 3.1 m (10 ft. 3 in.) to deal with the increased flow of pre- screened material. The dirt chute has been designed with a steeper angle to enable a faster transfer of material, while also increasing the ability to deal with sticky material. The three-position dirt chute allows all material passing the pre-screen grizzly to be diverted onto either the main con- veyor or the natural fines conveyor. In the middle position it allows a screened product to be produced out from the fines conveyor. All of this is done by positioning the three-way chute with- out removing any media from the pre-screen. Superior Superior Industries' patent-pending Guardian Horizontal Screen is a tri- ple-shaft horizontal screen that can be used in a portable plant application or as a stand-alone product in fixed plants. It is typically used in finer screening applications that are horizontal or not inclined more than 2.5 degrees. The Guardian Horizontal Screen provides you with a screen design that sizes and separates material more accurately and efficiently than an incline screen. Unique features include bottle jack lift- ing points for spring replacement, fully enclosed belt guards with integrated tensioning systems, and hinged access doors on side plates to ease access. The unit can be upfitted to an existing plant or manufactured as an entirely new portable screening plant. Telsmith Telsmith feeders are available in sizes ranging from 36-in. x 12-ft. up to 72-in. x 34-ft., in a variety of models and con- figurations. Severe duty (truck dump) models, built to absorb the impact from trucks dumping large stone, incorpo- rate deep side plates and massive wide flange beam cross supports. Standard duty models offer lower profiles and

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