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The Big Crush
Posted By Therese Dunphy On March 1, 2014 @ 6:00 am In Articles,Equipment,Supply Lines | No Comments
When it comes to primaries, this is a round-up of crushers will kick-start your processing operations.
The Grasan KRH1620 horizontal-shaft primary impact crusher plant is available in pit-portable and stationary models for high-volume aggregates and concrete/asphalt recycling operations. The crusher can reduce 24-inch limestone down to 6-inch minus in one step and produce a cubical-quality product at up to 800 tons per hour. The plant features a Hazemag 1620 APPH impactor with fully automatic hydraulic cylinder system for increased crusher capacity, smooth operation, and uniform products. The 50-inch high, 80-inch wide inlet accommodates incoming materials up to 36-inch cube.
Grasan | www.grasan.com 
Irock’s RDS-20 primary crushing plant is said to be a highly portable, easy-to-operate mobile unit. It combines a closed-circuit design, high-performance four-bar impactor, and heavy-duty components for reliability, increased efficiency, and the precision to produce a uniform, cubical product. It also is versatile enough for use across multiple industries and can process a variety of materials, including quarry rock, demolition debris, recyclable materials, and base rock for oil fields.
Irock | www.irockcrushers.com 
Kleemann offers two new jaw crushers, the Mobicat MC 110 Ri EVO and MC 110 Zi EVO. The MC 110 Ri EVO has a vibratory feeder with integrated grizzly, while the MC 110 Zi EVO incorporates a vibrating feeder with an independent, double-deck, heavy-duty prescreen. The crusher inlet on each unit is 28 inches x 44 inches. The machines now boast lighter transport weight to ease portability. The redesigned machines include features such as the hopper walls integrated in the chassis and a fully hydraulic crushing gap adjustment.
Kleemann | www.wirtgenamerica.com 
The new generation Vanguard Jaw Crusher is said to reduce maintenance and increase performance. The optional tramp iron relief system enables adjustment to the closed-side-setting on the fly while providing overload protection from tramp iron events. KPI-JCI says the increased stroke, toggle angle, and flywheel inertia provide up to 25 percent more production, greater efficiencies, and lower fuel costs over competitive models. Components such as the common flinger collar, stress-relieved base frame, and machined saddle work to reduce cost of ownership.
KPI-JCI | www.kpijci.com 
The Powerscreen Trakpactor 320SR is a mid-sized horizontal impact crusher redesigned to offer operators excellent reduction and high consistency of product shape for performance in quarry and recycling applications. The crushing chamber features a 1130-mm x 800-mm feed opening, hydraulically assisted closed-side setting adjustment, four-bar rotor and twin apron design, and hydraulic overload protection as standard. New to this model is an optional fully independent hydraulic pre-screen, which improves fines removal and reduces chamber wear costs.
Powerscreen | www.powerscreen.com 
The new Terex Cedarapids CRJ3750 plant combines a large 37-inch x 50-inch JS Series jaw crusher with a high stroke, 52-inch x 20-foot vibrating grizzly feeder resulting in a high-production portable crushing machine. The unit is built tough, including a new hopper design, to handle severe primary crushing applications. The mobile plant is said to be easy to operate and maintain and offers new levels of reliability and convenience. Options include a rock breaker, folding hopper wings, hydraulic jacks, hydraulic deployed switchgear, and quad or 3+1 axle configurations.
Terex Corp. | www.terex.com 
Cemco’s Turbo 80 vertical shaft impact crushers are said to offer portability and productivity for processing a variety of aggregate materials and industrial minerals. The crushers can process materials up to 4 inches long-side dimension into a uniform, cubical, high-quality product and are available with powerful single or V-twin drive motors for high outputs of up to 275 tons per hour. The units can be equipped with a rotor and anvil ring combination or a shoe table rotor and rockshelf anvil. Internal components can be customized to meet customer requirements, and the machines can be mounted to a chassis or tracks.
Cemco | www.cemcoturbo.com 
The Eagle Crusher UltraMax 69 HSI impactor performs the job of a primary and secondary crusher in a single unit, and comes with a lifetime rotor warranty on its three-bar, solid-steel, sculptured rotor. Featuring a large feed opening for high-volume production and ultra-high-reduction ratios, the unit is said to produce high-quality cubicle product with minimal fines. Available for stationary, skid-mounted, or portable applications, it crushes the toughest feed material including aggregate, recycled concrete with rebar, recycled asphalt, construction and demolition debris, and slag.
Eagle Crusher | www.eaglecrusher.com 
The FLSmidth Raptor 2000 cone crusher is a maximum capacity cone crusher that has been successfully applied in demanding, high-tonnage crushing applications. With improved head action for higher capacity, the 2,500-horsepower unit has fail-safe hydraulics for maximum reliability, integral countershaft assembly for direct drive and low maintenance, and enclosed counterweight assembly with replaceable non-contacting T/U seal arrangement and ductile iron eccentric.
FLSmidth | www.flsmidth.com 
Universal Engineering introduced the jaw crusher in 1906, and since then the technology has remained pretty much the same. When McLanahan Corp. purchased Universal in 2012, it began a total re-engineering to create a safer, simpler, and smarter jaw crusher. Re-engineering the attack angle and crushing stroke pattern increases capacity by 15 percent while minimizing wear on jaw dies. McLanahan has also calculated a new way to adjust the crusher’s close-side settings. The hydraulic rams are isolated from the crushing action allowing full automation, finger-tip control, and push-button adjustment — virtually eliminating toggle migration and reducing expensive operational costs.
McLanahan | www.mclanahan.com 
Metso’s C120 jaw crusher has been designed for challenging large-scale aggregate, contracting, and mining processes. The crusher was developed on the basis of field experience from customer sites. Crusher cavity, kinematics, and operating parameters have been defined and optimized to guarantee productivity. Crusher height utilization has been optimized to achieve a steep cavity cross-section. Excellent nip angle high up in the cavity, together with an aggressive linear stroke at the bottom, ensure high throughput capacity and reduction. The unit is designed to be safe to operate and maintain.
Metso | www.metso.com 
Stedman Machine Co.’s Mega-Slam horizontal shaft impactor (HSI) handles large feed sizes that go beyond the range of secondary HSI crushers with capacity up to 1,200 tons per hour. The crusher is engineered for low maintenance and features simplified interior access to breaker bars, primary and secondary aprons, and sideliners, maximizing production uptime. Stedman’s HSIs feature thick housing liners, making them an economical necessity for many crushing applications, including: brick, gravel, and limestone.
Stedman Machine Co. | www.stedman-machine.com
The Telsmith H3450 Hydra-Jaw is the newest in its line-up of Hydra-Jaw crushers. The 863-mm x 1,270-mm opening is capable of processing up to 598 metric tons per hour. The hydraulic toggle reduces maintenance and lowers operating costs with fast, safe hydraulic chamber clearing and tramp iron overload relief with auto resets.
Telsmith | www.telsmith.com 
Weir Minerals has launched its new Enduron line of comminution equipment, including crushers, screens, and feeders for the mining, sand, and aggregate industries. With an emphasis on enhancing mining productivity and safety, the new equipment is designed to maximize customers’ operational efficiency.
Weir Minerals | www.weirminerals.com 
Williams Patent Crusher’s exclusive Willpactor provides capacities up to 2,500 tons per hour. The Willpactor is built for demanding quarry requirements. Medium chrome or manganese blow bars are indexable and easily replaced. The manufacturer’s exclusive adjustable solid impact block allows product gradation control and is said to drastically reduce problems resulting from bridging. Moving this hydraulic breaker plate adjustment allows bridged material to fall into the path of the blow bars. Operation is not interrupted, and normal crushing continues with minimum lost production.
Williams Patent Crusher & Pulverizer Co., Inc. |
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 www.grasan.com: http://www.grasan.com
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 www.irockcrushers.com: http://www.irockcrushers.com
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 www.wirtgenamerica.com: http://www.wirtgenamerica.com
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 www.kpijci.com: http://www.kpijci.com
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 www.powerscreen.com: http://www.powerscreen.com
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 www.terex.com: http://www.terex.com
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 www.cemcoturbo.com: http://www.cemcoturbo.com
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 www.eaglecrusher.com: http://www.eaglecrusher.com
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 www.flsmidth.com: http://www.aggman.comhttp;//www.flsmidth.com
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 www.mclanahan.com: http://www.mclanahan.com
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 www.metso.com: http://www.metso.com
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 www.telsmith.com: http://www.telsmith.com
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 www.weirminerals.com: http://www.weirminerals.com
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 www.williamscrusher.com: http://www.williamscrusher.com
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