Engineering & Mining Journal

SEP 2017

Engineering and Mining Journal - Whether the market is copper, gold, nickel, iron ore, lead/zinc, PGM, diamonds or other commodities, E&MJ takes the lead in projecting trends, following development and reporting on the most efficient operating pr

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SCREENING MACHINES SEPTEMBER 2017 • E&MJ; 49 www.e-mj.com BALL MILLS ROD MILLS AG / SAG MILLS PELLETIZING DISCS MIXING DRUMS MIXERS ROTARY SCRUBBERS ROTARY DRYERS TURN-KEY PROCESSING PLANTS Mining projects from one source CEMTEC Cement & Mining Technology GmbH Ennshafenstraße 40 • 4470 Enns • Austria ( +43/7223/83620-0 • +43/7223/83620-333 - info@cemtec.at • www.cemtec.at Bronze sleeves are integrated on both ends of the shaft for protection in in- stances where the outer race of the bear- ing could potentially turn on the shaft. This reduces unnecessary downtime and only requires the sleeve to be replaced, according to McLanahan. All components slide onto the shaft, allowing for easy re- moval and installation. The straight shaft features jacking bolts in the mechanism tube that supports the shaft during chan- geouts, eliminating the need for a crane and thus improving safety while minimiz- ing downtime. The MAX line features labyrinth seals to prevent oil contamination, eliminating the need for a standard breather that could plug and fail. Other design ele- ments include independent cross mem- bers that facilitate replacement of just the worn tubes — not the complete deck frame — increasing uptime and lower- ing downtime. The standard motor base features jacking screws to make belt tensioning easier, and a conventional pivoting motor base can also be provid- ed. A Quick Change Spring Kit allows for removal of the spring pack with only min- imal vertical clearance without need of an overhead crane. Upgrades to existing screen designs can also play a major role in improving machine efficiency. For example, Ha- ver & Boecker recently announced an upgrade to its F-Class vibrating screen system, which is claimed to cut service downtime by 50%. According to the company, its new split-bucket mount- ing system, featured in all-new F-Class vibrating screens, provides easy access to critical components, such as rubber McLanahan's MAX screens offer design features aimed at improving screen longevity and streamlining routine maintenance procedures.

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