Coal Age

JUL 2013

Coal Age Magazine - For nearly 100 years, Coal Age has been the magazine that readers can trust for guidance and insight on this important industry.

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product news Suspension Shuttle Cars Offer Increased Productivity using structural mechanics simulation software such as structural finite element analysis and MBD in the design of heavy equipment and machinery. www.dem-solutions.com The Joy 10SC32B shuttle car has an improved suspension system. Fluorescent Rim Conditioner Joy Global recently reported a mining industry trend toward using suspension shuttle cars to increase productivity, as well as to improve ergonomic performance. "According to recent test data, operations can achieve more than a 10% increase in productivity with the use of JoyRide shuttle car suspension technology," said Toby Cressman, Joy Global haulage design engineer. "Depending upon market and mine conditions, operations can realize payback in as little as one month when investing in this 'next generation' four-wheel independent suspension system, which has been enhanced by a new and improved JoyRide strut system that offers the best-in-class ride available on the market today." JoyRide suspension systems are currently available as an option on all Joy low, mid, and high-seam shuttle car models— with a design under way for ultra-high seam models. Benefits include vibration dampening characteristics that reduce forces on the machine chassis, resulting in less wear and tear on shuttle car components, reduced material loss, and less rutting in roadways. Most importantly, less energy and impact transferred to the operator allows the ability to safely and comfortably maintain higher shuttle car speeds with less fatigue. "As has been proven in suspension cars already operating underground, improved ergonomic performance means more trips per shift, 58 www.coalage.com which means more tons per day at a lower cost. This positive affect on operator safety, as well as productivity, is why we are seeing a higher percentage of our customers moving toward the suspension system option," said Cressman. The improved JoyRide strut design, which is backward compatible, is the result of ongoing and innovative design initiatives, and meticulous component and underground machine testing, which has ultimately allowed similar advancements in aboveground earth moving equipment suspension systems to be applied to space-efficient underground equipment. "The JoyRide strut design tested favorably against ISO standards for human body vibration exposure. Also, the JoyRide strut is a simple, self-contained unit, and can be retrofitted to suspension machines currently in the field without a new chassis being required," said Cressman. www.joyglobal.com Programmable Interface DEM Solutions has released EDEM 2.5.1 software with a new programmable interface to work with Multibody Dynamics (MBD) simulation. This technology is useful in modeling the flow of bulk solids in materials handling systems. The enhanced interfacing capability extends the EDEM simulation environment for customers using other computer-aidedengineering tools, particularly those Sealtite Life X-tend tire conditioner has fluorescing properties to enhance the detection of rim cracks, bead leaks, punctures, or any other signs of air loss. Developed specifically with low visibility environments in mind, such as underground mining and night time driving conditions, the fluorescing rim conditioner allows operators to easily identify issues with tires. www.simonizsealtite.com Mechanical Seal for Slurry Pumps Metso recently launched a new slurry seal that minimizes dilution of sealing water into product, eliminates leakage to atmosphere, increases life time of the seal by preventing slurry from entering the seal chamber, and allows easy conversion from box packing solutions to mechanical seal solutions. The ESF seal is designed to fit into the standard Orion Series pump flushed gland housing. Cartridge design makes it easy to install. Retrofit installations are quick and easy when converting a packed seal pump. Tungsten carbide seal faces are standard and provide longer life for the tougher applications. www.metso.com Mobile Light Tower Placement App Responding to a growing need for assistance in determining the number and placement of portable light towers on a given worksite, Allmand created an July 2013

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