Rock Products

OCT 2014

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 40 of 67 ROCK products • OCTOBER 2014 39 New Technologies SCREENING & SIZING EQUIPMENT & TECHNOLOGY Crown Eagle Offers Portable Wheeled Screen Plant Crown Eagle offers the Irish Manufactur‐ ing Services' (IMS) MS842W high‐capac‐ ity, truly portable wheeled screen plant, a lower cost alternative to tracked units providing output of 150‐300 tph and a proven, 15‐year track record. MS842W features end‐to‐end crowning with its double deck, four‐bearing screen in addi‐ tion to its patented folding conveyors, largest feed hopper in its class and cus‐ tomer‐friendly, simple controls and serv‐ ice access. IMS said this combination assures higher production and much more efficient sep‐ aration than with similarly sized flat screens. The three hydraulically folding product conveyors provide quick setup by eliminating the need for stand‐alone stackers. True portability and sensible pricing make this unit worthy of serious consideration, according to Crown Eagle. Crown Eagle,‐ Unified SuperFlow Screens for Sticky Material Unified SuperFlow Screens are an advanced combination of wire and polyurethane. These screens were designed to eliminate wire‐to‐wire contact. When material falls on the screen, the wires vibrate at their own frequency, allowing material to slip through while maintaining accu‐ rate material sizing. The vibrating action combined with the higher percentage of open area makes Su‐ perFlow the best choice for screening wet, sticky materials, according to the company. SuperFlow comes in four styles of opening: "D" (diamond shaped design), "W," "T" and "H" (Herringbone shaped design). Unified Crushing & Screening, Deister Screens Feature Geared Exciters Deister Machine Co. Inc. offers the BFO‐ 11224‐EX2 Mine‐Duty Screen, a 12‐ x 24‐ ft., horizontal, single‐deck unit that delivers day‐to‐day reliability and high‐ volume capacities in a variety of hard rock mining and mineral processing ap‐ plications, according to the company. The BFO‐11224 Mine‐Duty Screen fea‐ tures the new Deister EX Series of geared exciters that are designed to create the force output required to drive today's large screens. Geared exciters feature all‐ steel components; specially‐coated bear‐ ing inner races to deter wear on shafts; and shafts that are case‐hardened and ground for minimal wear. Mechanisms are sealed to minimize oil contaminants and maxi‐ mize bearing life. Seals ride on replaceable ce‐ ramic‐coated spacers that minimize heat and in‐ crease seal life up to 10 times that of conventional steel spacers and seals. To meet the most strin‐ gent structural specifica‐ tions, the BFO‐11224‐EX2 features fully‐bolted con‐ struction as well as the use of A572‐Grade 50 steel. For ease of maintenance, the unit is engineered with independent crossbeams. Deister Machine Co.,

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