Rock Products

MAR 2019

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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38 • ROCK products • March 2019 www.rockproducts.com Crushing Superior Primary Crusher; VSI Superior Industries Inc. offers a machinery solution for crushing applications called the Liberty Jaw Crusher. Func- tioning as a primary crusher, the unit compresses material in stone, concrete, asphalt and ore applications. The Liberty Jaw Crusher is engineered with an aggressive nip angle that maintains the machine's ability to consistently grab and process material at a high level of efficiency. In addition, a set of integrated lifting points are designed into the jaw dies for safe replacement or installation. Other unique features include pitman toe protection. This replaceable component offers an insurance policy if wear- ing occurs in the pitman fabrication. Furthermore, the unit's motor is frame-mounted, allowing a smaller footprint and freeing up deck space for maintenance. More maintenance time is freed with the addition of hydraulic tensioning system and hydraulic wedge adjustment. Superior's Liberty Jaw Crushers are manufactured in feed openings of 18 in. x 36 in. to 36 in. x 48 in. The company has also debuted its new patent pending Valor Vertical Shaft Impactor (VSI). The VSI is Superior's second equipment solution for crushing bulk materials after launch- ing the compression style Patriot Cone Crusher late last year. Impact style crushers, like the Valor VSI, produce a more cubi- cally-shaped product. Incorporating criteria from several of its existing customers, Superior said its engineers produced a stronger, safer and more convenient design. For example, the VSI is equipped with a cartridge style, right angle pinion gearbox. This allows for a safer deck-mounted motor arrangement, which also simplifies access to the drive and its components. In addition, a hydraulically-powered lifting lid allows for safe and easy access to the crushing chamber. Maintenance inspectors are protected by a combination of automatic and manual safety interlocks. Thirdly, an innovative autogenous rotor design encourages more rock on rock crushing, which greatly extends the life of many internal parts. Superior manufactures models of its new Valor VSI for rates up to 800 tph (725 mtph) and maximum feed sizes up to 8 in. (203 mm). Superior Industries Inc., www.superior-ind.com EvoQuip Cobra 290R EvoQuip exhibited for the first time at bauma, showcasing the Cobra 290R – the newest addition to its "compact with impact" crushing range. The Cobra 290R is a closed-circuit version of the Cobra 290 that incorporates a 2.74- x 1.5-m post screen that ensures the required product specification is achieved with oversize material either being recirculated back to the crusher or stockpiled. The ability to quickly detach the complete afterscreen system including the oversize conveyor provides the option of either running the machine in standard mode or transporting separately. The compact Cobra 290R closed-circuit impact crusher is versatile, easy to use and has the ability to operate in the most demanding of applications making it the perfect solu- tion for many industries. The track and crush feature comes as standard providing the operator the ability to move the machine using the optional remote control from the excava- tor cab without shutting down the crusher. Ground level access to the engine, hydraulics, service and refueling points also ensures ease of use and serviceability for the operator. The rapid set up from ground level combined with the intuitive two button start up sequence ensures the customer can be crushing in minutes. EvoQuip, www.terex.com/evoquip

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