Coal Age

SEP 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 continued ately. ABB proactively investigates the source of the alarm and provides recommendations to restore process performance. www.abb.com/mining Compact Backstops Stieber Clutch recently launched its new RDBK load sharing, highspeed, releasable backstop. The product features a compact design with increased torque capacity compared to conventional designs, which helps avoid the over specification of gearboxes to meet large outside diameter requirements of some backstops. In the event of a blockage, belt jam or overload, the RDBK allows for a controlled release under load and is able to rotate backward for maintenance and clearing work, unlike many other designs that offer limited reverse rotation after being engaged. www.AltraMotion.com Dust Suppression BETE Fog Nozzle recently published a new catalog on spray nozzles. Organized by spray patterns, the catalog includes the design features and spray characteristics for its nozzles. A number of charts and other graphic aids have been included to simplify the correct nozzle selection. www.bete.com phase power is dependent upon local conditions. Batteries used in the lifts are the deep cycle type and can make up to twentyfive full capacity lifts on a single charge. In shops where space is at a premium, mobile lifts are particularly advantageous. Unlike pits, they do not require a dedicated bay. They can be rolled into position when needed and stored out of the way when not in use. www.cumberlandequipment.com Mobile Locomotive Lifts With a 32-ton rated capacity, a four-column MAHA mobile lifting system can lift most, if not all locomotives used by the mining industry. Lifting is done by frame engagement. Two inches of ground clearance under locomotives is all that is required for the lifts to be used. Redundant systems assure the lifts' safety. Self-setting wedge locks backup their holding brakes. Synchronizing controls backup their naturally synchronous operation. Locomotives remain level and under the operator's control at all times. With 69 inches of lift height, the lifts can raise mine locomotives high enough for personnel to work comfortably beneath them. They can be stopped at any convenient location within normal travel to accommodate individual needs. Their mechanical ball screw lifting mechanisms provide an inching capability that enables the lifts to aid in the replacement of components that are installed from below. Frictionless and virtually maintenance free, the ball screw is the premier design used in mobile column lifts. In addition to an extended service life and an inching capability, the ball screw enables the lifts to be lowered without power. Seldom needed, this capability eliminates the potential for locomotives to become stranded on the lifts due to a power failure or malfunction. Electrically operated, the lifts can be cable connected or wireless. Wireless lifts are battery powered and radio controlled. Cabled lifts operate on three-phase power and have interconnecting cables between columns. The choice of battery or three- September 2013 www.coalage.com 51

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