Rock Products

MAR 2013

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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CRUSHING BREAKING ��� As the name suggests, the rapid deployment system (RDS) provides exceptional portability and rapid set-up time. ��� IROCK Crushing Plant Features Rapid Deployment System IROCK offers the RDS���20 Primary Crushing Plant. The design allows both decks of over��� sized material to return to the feeder for an��� other pass through the crusher after the initial round of screening. This allows for 20 percent greater production. heavy���duty, two���step tapered grizzly removes fines and allows only large materials into the crusher. Hydraulically adjustable aprons allow for ease of adjustment and better control over sizing, while three optional auxiliary convey��� ors sort and stack processed materials. As the name suggests, the rapid deployment system (RDS) provides exceptional portability and rapid set���up time. The highly portable, easy to operate mobile unit combines a closed circuit design, high���performance four���bar im��� pactor and heavy���duty components for relia��� bility, increased efficiency and the precision to produce a uniform, cubical product. It also is versatile enough for use across multiple indus��� tries and can process a variety of materials, in��� cluding quarry rock, demolition debris, recycled concrete, recycled asphalt and base rock for oil fields. The RDS���20 is available with IROCK���s patented Hydraset Hopper. The Hydraset Hopper is de��� signed to attach and remove the hopper/feeder unit in one piece, with just one person, so it does not require the use of any outside lifting device. The system operates from an internal power pack, which allows the unit to be easily detached and placed on a trailer in a matter of minutes. The machine features a 5��� by 16���ft., double��� deck screen. It has the ability to crush, screen and separate up to three different sizes of ma��� terials, two sized and one crusher run, at a rate of up to 500 tph. The initial vibrating feed opening is 52 in. by 17 ft., while the crusher feed opening is 56 by 32 in. In addition, with on���board power supplying full plant operation, the entire process is self���contained. The crusher is powered by a 440���hp Caterpillar C���13 ACERT Tier 3 en��� gine. The RDS���20 can also be supplied with a Tier 4 engine. Performance and production are further en��� hanced by IROCK���s four���bar impactor design. The RDS���20 provides the ideal balance inside the crushing chamber to optimize production and ease uneven wear on the impact bars. A 42 ROCKproducts ��� MARCH 2013 The mobile crusher features IROCK���s exclusive Roc Box, an innovative alternative to discharge chutes found on similar units, which cuts down on costly labor and wear parts. The Rock Box uses a shelf system with abrasion re��� sistant wear bars that allow crushed material to build up and act as a wear liner, effectively reducing maintenance. It also incorporates specialized AR���400 steel plate liners for each material transfer point, which provides en��� hanced durability over rubber liners used by other crusher manufacturers. To reduce cleaning and maintenance re��� quirements, the RDS���20 features a standard dust suppression system. Catwalks enable easier screen changeouts and provide con��� venient access to crucial maintenance and cleaning points. And operators can remove the machine���s control panel and operate the crusher from up to 30���ft away to remove it from the dust and vibration of normal oper��� ating conditions. IROCK,

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