Rock Products

APR 2018

Rock Products is the aggregates industry's leading source for market analysis and technology solutions, delivering critical content focusing on aggregates-processing equipment; operational efficiencies; management best practices; comprehensive market

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34 • ROCK products • April 2018 The Independence Fund helps veterans get back outside to enjoy the outdoors through a variety of devices that include all terrain wheelchairs and adaptive bicycles. Many severely wounded veterans have lost the ability to experience activ- ities they previously enjoyed – from hunting and fishing to simply going outside in their backyards. Wounded veter- ans who use The Independence Fund's all-terrain mobility devices regain the ability to do the things they love, trans- forming their lives toward a better future. Telsmith supports this program that believes, "we owe it to our veterans to provide the resources they need to move forward and build a strong foundation toward lasting phys- ical and emotional healing in order to reestablish their independence." Telsmith believes U.S. Veterans are individuals who have gone the extra mile in their lives, and this is a core value of the Telsmith team. To showcase the Telsmith promise that "The Extra Mile Isn't Extra. It's Included.," the company displayed the T-Series cone crusher hybrid bearing, and had employees on hand to discuss how Telsmith goes the extra mile with their con- cept-to-completion services. Telsmith T-Series cone crusher patented hybrid bearing tech- nology provides the ability to crush at lower horsepower from improved lift that helps carry the crushing forces, when compared to roller bearing machines. Engineered to hold up to tough, abrasive aggregate and mining processes, the T-Se- ries cones with hybrid bearings deliver tested productivity, safety and ease of maintenance with maximum uptime. Telsmith, Van der Graaf The engineers at Van der Graaf expanded research and development in the last five years to produce the all-new GrizzlyDrive design drum motor, which addresses indus- try-specific operating challenges. The GrizzlyDrive is a different kind of drum motor. It has been designed exclusively to reliably perform and operate in very harsh environments and demanding conditions. Currently GrizzlyDrives operate from the extreme cold (-50 F) tempera- tures of Labrador to the extreme hot (+40 F) temperatures of San Antonio. All components of the drum motor are protected inside the drum. The robust mechanical seals are designed to prevent abrasive dust and water to penetrate the unit. The massive end-flanges on the GrizzlyDrive are engineered to deflect debris and rock overspill, and inhibit accumulation to occur between the drum motor and the conveyor frame. The heavy-duty bearings have been designed for high static and dynamic rating to absorb heavy shock loads and high belt tension. The planetary and coaxial gear configuration design can absorb the high starting torque (240 percent) produced by the high torque design "C" electric motor that is able to start the conveyor under full load conditions. The electric motor windings are manufactured with heavy- duty magnet wire and encapsulated with the vacuum pressure impregnation (VPI) process to withstand vibration and shock loads. The rubber lagging is hot bond vulcanized with or without ceramic tiles, is reinforced and installed in sections between welded bars in order to absorb the sheer loads produced by the belt. The GrizzlyDrive drum motor has been designed exclusively for mining and aggregate applications, and is built like no other, according to the company. Van der Graaf, Volvo Volvo Construction Equipment unveiled its latest innovation in mid-sized wheel loaders with the debut of the updated AGG1 2018

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