Rock Products

NOV 2012

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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Feature n Hydraulic cylinders are positioned to create a compact design while still providing excellent crushing strength. n Dust enclosure minimizes dust and reduces noise. n Transporter facilities a safe and fast tire replacement. n Feed hopper include liners designed for long life. n Studded tires maximize tire life by building up an autogenous layer. The HRC is ideal for high‐tonnage, hard rock applications and can be used as a tertiary, quaternary or pebble crusher. Metso, www.metso.com Acting as the intermediary between the haul vehicle and trailer, the VRT is key to allowing up to 22 percent more hauling weight than the trailer alone. The VRT evenly distributes the load over the axles and tires of the VRT, the haul truck and the trailer. By distribut‐ ing the weight of the load, PHIL's Ultra‐ Class Lowboy Trailer is able to haul the larger loads safely. While traditional lowboy trailers use a gooseneck and require more time, man‐ power and effort to front load the trailer, the HiVol Lowboy Trailer fea‐ tures a rear‐load system, designed for safe, efficient loading and unloading for all sizes of equipment. In fact, most pieces can be loaded or unloaded in less than 20 minutes. The trailer's rear axles swing out and drop the deck to ground level while rear loading ramps descend. Phillipi-Hagenbuch, www.philsystems.com Philippi-Hagenbuch Philippi‐Hagenbuch (PHIL) launched its HiVol Lowboy Trailer and Vehicle Recovery Tool (VRT) system during MINExpo 2012. The two‐piece equipment is designed to work independently or together as one integrated system to haul the largest, heaviest off‐highway mining equipment quickly, easily and safely. The system is also designed for fast re‐ turn on investment, typically paying for itself within a year. The HiVol Lowboy Trailer‐VRT combi‐ nation is the only system that provides the capacity necessary to haul Ultra Class rated equipment, a standard for mining equipment such as drills, load‐ ers and high‐capacity shovels. The sys‐ tem offers a hauling capacity of 400 to more than 2,000 tons, far exceeding the capacity of any other trailer on the market. Whether providing initial transport into the mine pit, relocating a shovel from one pit to another or haul‐ ing a piece of downed equipment to the shop for repair, PHIL's system is able to move nearly any piece of mining equip‐ ment, eliminating the need for multiple vehicles and trailers. 22 ROCKproducts • NOVEMBER 2012 Bosch Rexroth The new Hägglunds CBM hydraulic motor from Bosch Rexroth creates pow‐ erful opportunities. Taking over from the tried‐and‐true Hägglunds Marathon motor, the Hägglunds CBM packs 50 percent more torque into a motor that is smaller and up to 50 percent lighter than its predecessor. That gives it the world's highest torque‐to weight ratio. For Bosch Rexroth customers, the new motor opens up new possibilities. The Hägglunds CBM not only handles heav‐ ier workloads, but also takes up less space and places less weight on the drive shaft. This means that customer machines, and in some cases the facili‐ ties that house them, can be smaller, lighter and simpler. The motor's reduced installation re‐ quirements, combined with the higher productivity it allows, can mean lower overall investments and increased long‐term revenue. Added to this are the unique operating advantages of a hydraulic direct drive: full torque from zero speed, protection from shock loads and four‐quadrant operation. The Hägglunds CBM motor was devel‐ oped in direct response to customer re‐ quests. Greater power is increasingly needed in many industries, and it is a prerequisite for a number of new appli‐ cations, such as wind and tidal energy. The Hägglunds CBM provides power for these applications and many others. Bosch Rexroth, www.boschrexroth.com/cbm SKF By design, SKF spherical roller bear‐ ings can accommodate very heavy ra‐ dial and heavy axial loads in applications prone to misalignment or shaft deflection. In addition, the SKF spherical roller bearings for vibratory applications are designed to accommo‐ date very high vibration levels. SKF Explorer spherical roller bear‐ ings provide a significant improve‐ ment in key operational parameters. These bearings are so advanced that they can last several times longer than their rivals under typical heavy‐ duty conditions. Common applications include: Vibrating screens; compactors; road rollers; vibratory hammers; vibrating bowls; block vibropresses; baggers and wood chippers. User benefits include increased uptime and productivity; excellent high‐speed performance; increased power output; power maintenance and operating costs; reduced warranty costs; and en‐ vironmentally friendly. SKF, www.skf.com www.rockproducts.com

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