Engineering & Mining Journal

JAN 2014

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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E Q U I P M E N T G A L L E RY warnings, mines can determine how and when operators are alerted to other equipped units or identified hazards. www.wencomine.com Diesel-powered Generator Meets North American Specs To expand upon the standard QAC 1 MW generator designed for the European market, Atlas Copco now offers the new QAC 1200 1 MW generator, specifically engineered to U.S. and Canadian specifications. With a wide variety of options, customers can customize the unit based on their situation, such as high altitudes or extreme weather conditions. The flexibility of the QAC 1200, according to the company, makes it ideal for either prime power or critical standby power in mining applications. The generator features a Cummins QST30G5 diesel engine that is EPA Tier 2 certified and provides 1,140 kVA/912 kW prime power rating (60 Hz). An integrated fuel tank provides a minimum run time of eight hours. The QAC 1200 was also engineered with 500-hour service intervals, resulting in low life cycle costs. With a compact container and a spillage-free frame, the QAC 1200 offers compliance with environmental regulations and efficient transportation. Low noise level (85 dBA at 1 meter) is ideal for sound-sensitive applications. Another option is the Qc4002 controller that allows a user to create a Power Management System (PMS). This allows a very simple method to parallel two or more generators beyond 1 MW, enhancing the core value of pre- www.e-mj.com dictable power. Additional options include battery charger, coolant heater, alternator heater, external fuel supply three-way valves with quick connections, automatic fuel transfer system, engine lube oil makeup system, cold weather package, air inlet shutdown valve and spark arrestor. www.us.atlascopco.com Flexco Offers Ceramic Pulley Lagging Flexco offers new Flex-Lag Medium Ceramic pulley lagging and Flex-Lag Adhesives. The ceramic pulley lagging features 39% tile coverage, which complements the existing Full Ceramic and Diamond Ceramic that provide 80% and 15% coverage, respectively. Adhesives, with a two-part cold-bond system, round out the new Flexco offering by providing the bonding system to complete the lagging installation. Flex-Lag Medium Ceramic pulley lagging can be used in dry, wet or muddy applications where slippage can occur, while also offering the excellent wear life of ceramic tiles at an affordable cost. Horizontal grooves in the lagging trap and deflect water/debris, and molded ceramic buttons grip the belt's underside for positive traction. The lagging comes in strip widths ranging from 35–101 in. (880–2,560 mm) to match pulley face widths or 18–84 in. (450–2,100 mm) to match belt widths. The lagging works with pulley diameters more than 12.6 in. (320 mm) and is also available in SBR or FRAS (Fire Resistant Anti Static) rubber. FlexLag Adhesives provide an excellent bond for rubber-to-rubber and rubber-to-metal installations. The primer features a neoprene additive to enhance bonding strength when paired with the adhesive. Flex-Lag Adhesives are also environmental- JANUARY 2014 • E&MJ; 75

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