Coal Age

MAR 2013

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released quickly by a single 90° turn of a hex key. Benefits include significant reductions in installation and maintenance times, as well as improved safety, reduced material costs and the facility to retro-fit to any make of chain, Erlau adds. Under the banner of advanced asset protection, Erlau's tire-protection chains protect earthmover tires from heavy abrasion and sudden-death sidewall damage, and provide essential traction safety over clayey and frozen haul roads. Until recently, however, these chains have not been suitable for use on high-cost haul-truck tires, which remained at risk of sidewall damage from debris during haul-road use. In addressing this problem, Erlau's designers looked outside traditional round-link chain manufacture for a solution, and produced Sideflex. This, the company explains, consists of a set of replacement bolts and extensions, and a steel ring that supports a circular shield of platelets. Made of a sophisticated light-weight "memory" polymer used in the automotive industry, the Sideflex platelets flex and deform to deflect shards of rock away from the tyres. Following extensive quarry trials, Sideflex gives truck owners a viable, cost-effective truck tire protection system for the first time, the company says. Weighing Solutions for the World A member of the Bilanciai group of companies since 2001, Pfister Waagen Bilanciai GmbH's corporate history actually stretches back much further than that—to 1894. In some respects, little has changed since then: the company was founded to produce weighbridges, and today it remains a leading supplier of weighbridge technology. The difference, of course, is that in the 19th century, weighbridges were strictly mechanical, whereas in the 21st century, the company focuses on producing and supplying load-cell based, fully 2013 • VDMA MINING SUPPLEMENT electronic weighing systems that allow users to record, process and report weight data through integrated networks. Managing director Harald Welscher told Best of Germany that while the company is the market leader in Germany in the supply of concrete weighbridges, it also has a range of steel units that can be assembled on site and, if necessary, moved from location to location. In each case, he said, the company's digital or analogue load cells, and software, are the key to the system. A big advantage of these steel systems is that they are modular, he added, so users can build weighbridges to meet their specific needs in terms of vehicle length, weight and capacity. In this way, weighbridges can be built from 3 m-wide sections, from 4 to 24 m long, with weighing capacities up to 60 mt. In addition, the units can be either temporary—mounted on the ground surface with run-on ramps at either end—or flushmounted into a concrete surround. Pfister Waagen now offers its Diade DD 1050 series of terminals for processing, recording and transmitting data from its weighbridges. Featuring a touch-screen display and running Bilanciai's Scalecore software, the system can be customized to suit specific weighing requirements. This can include identifying different vehicles, load types and The Diade DD 1050 weighbridge other parameters, the company says. data terminal. VDMA VDMA 55

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