Secondary crushers help create the desired size and shape

Therese Dunphy

August 1, 2016

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Easy accessibility makes for quick maintenance

Cemco, Inc., a 54-year-old industrial equipment manufacturing company, offers the Turbo 80 as the mid-size model in its line of nine vertical shaft impactors. The crusher can be equipped to operate between 100 and 275 tons per hour with a max feed size of 2.5-inch material. Cemco VSI crushers are designed to make the components that require routine maintenance easily accessible. Major servicing can be done in less than an hour, reducing the plant’s down time and lowering overall operating cost.

Cemco, Inc. | www.cemcoturbo.com

Fuel-efficient secondary and tertiary plant

The K300/6203CC portable crushing and screening plant from KPI-JCI and Astec Mobile Screens, combines a Kodiak Plus K300+ Cone Crusher with a triple-shaft, low-profile horizontal screen. In its closed-circuit configuration, the plant allows operators to use a single chassis to produce up to three products or supplement existing demand in a small footprint. It can also be converted to an open-circuit configuration by simply reversing the closed-circuit conveyor. Multiple axle configurations are available to meet portability needs. Several product discharge chutes are also available, as well as feed conveyor and feed conveyor drive options.

Kleemann | www.wirtgenamerica.com

Portable plant offers application versatility
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Doosan says the 373-net-horsepower DX490LC-5 Tier 4-compliant crawler excavator has unmatched reliability and durability, making it perfect for quarry applications. With a bucket breakout force of 67,902 foot-pounds, the excavator is said to ensure precise digging capabilities even in the toughest digging conditions. Features include larger bushing in track rollers, thicker sprocket teeth, added reinforcement plates, and increased plate thickness to the excavator’s boom and arm. Four power modes allow the excavator to better balance fuel consumption and machine power to the working conditions, while four work modes maximize efficiency and fuel economy in specific applications.

KPI-JCI and Astec Mobile Screens | www.kpijci.com

Update builds upon the Symons Principle
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McLanahan Corp. says its MSP Cone Crusher combines the Symons Principle with technology factors such as a balanced eccentric, higher speeds, and fulcrum point position and stroke to offer superior performance. The design allows for highly effective compression crushing with minimized recirculation of loads. Through efficient processing, the unit also reduces liner wear, reducing wear costs and offering an overall lower cost per ton of finished product. An array of manganese liners is available for each model, and a patented feature allows the models to fit without the use of backing material.

McLanahan | www.mclanahan.com

Efficient crushing in hard-rock applications

Metso says the GP220 cone crusher is built to maximize operational efficiency in demanding hard-rock crushing applications. It features a large feed opening, as well as the ability to adjust the crusher cavity and stroke to fit the application. With process control based on Metso’s IC50C automation and with a limited number of service points that are easily accessible, the GP220 cone crusher is also said to be safe and easy to maintain and operate.

Metso Minerals Industries, Inc. | www.metso.com

HSI has robust chassis and substructures
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Powerscreen says the introduction of the new Trakpactor 550 horizontal impact crusher will provide operators with reliability, efficiency, and performance. The sleek and modern Trakpactor 550 is a horizontal shaft impactor targeting the mid-to-large range class. A screen-recirculating conveyor returns oversize product to the crusher. The unit is said to have a robust and heavily engineered chassis and sub-structures within the plant.

Powerscreen | www.powerscreen.com

Cones have high crushing forces
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Sandvik has launched the CH860 and CH865 models, which are said to improve productivity and profitability in the mid-range segment. The CH860, for high-capacity secondary crushing, and the CH865, for high-reduction tertiary and pebble applications, feature a 670-horsepower motor and higher crushing forces relative to mantle diameter. The intelligent systems enable real-time performance optimization, while compact design solutions reduce dynamic loads and minimize installation work. The crushers feature fewer moving parts than competing models. Non-welded, bolted liners on the top and bottom shell enable safer, easier maintenance.

Sandvik | www.sandvik.com

Tubular rotor offers high tip speeds

A patented VSI Tubular Rotor, from Stedman Machine Co., is said to create higher tip-speeds, which increase first pass yield, produce tighter particle size distribution, and reduce recirculation loads. The rotor rotation is reversible, allowing wear on both sides of the tube. Rotating the indexing tube one-quarter turn increases the wear surfaces. The Tubular Rotor and Reversible Anvils are retrofittable to any brand VSI. Raw feed sizes of up to 2.8 inches can be accepted, and models with production rates of up to 300 tons per hour are available.

Stedman Machine Co. | www.stedman-machine.com

Cone combines productivity, safety, and ease of maintenance

Rated with what Telsmith describes as the largest in-class clearing stroke and the highest in-class crushing force, the T400 Cone Crusher is engineered for maximum uptime and productivity while delivering 400-horsepower performance and a crushing capacity output range from 176 to 606 tons per hour in tough or abrasive quarry applications. With an emphasis on lower operating costs and increased safety, the cone features a large clearing circuit, which is engineered to safely and quickly allow any uncrushable materials to pass.

Telsmith | www.telsmith.com

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