Rock Products

JUN 2013

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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CRUSHING BREAKING for it to then take 40 minutes or more to clear a jam within the crushing chamber. That is one hour of down‐ time for each blockage occurrence. For simplicity sake, let's assume you were crushing lime‐ stone at a rate of 600 tph and selling your crushed mate‐ rial for $10 per ton. Your company can lose $6,000 per each episode. Even if this happens just 2‐3 times daily, you would be left with only 5‐6 hours of actual productive work in an eight hour day, losing $6,000‐$18,000 or more on a daily basis. By utilizing the SMI system, most blockages can clear themselves with the push of a button in the time it takes the loader operator to grab another bucket full of material to be crushed. Screen Machine Industries, Improved Lokotrack LT106 Jaw Plant Metso offers the improved Lokotrack LT106 jaw plant, with new features designed to deliver higher productivity at lower cost per ton. The updated LT106 is even more reliable than its predecessor, with a robust crusher drive and heavy‐duty air filtration system with pre‐cleaner requiring less maintenance. High‐inertia flywheels mean fewer power peaks, so the engine consistently operates at optimum speed, lowering fuel con‐ sumption by as much as 25‐30 percent. Improved Performance The LT106 is built around Metso's proven and enhanced C106 jaw, featuring a 42‐ x 28‐in. (1060 x 700 mm) crushing cham‐ ber for high output. The LT106 is also fitted with an aggressive vibrating feeder. An advanced Metso IC7000 control and mon‐ itoring system with ultrasonic level sensor automatically ad‐ justs feed rate for peak productivity. A new hydraulic system, coupled with an environmentally friendly, low‐emission CAT C9.3 Tier 4 or C9 Tier 3 engine and high‐inertia flywheels, offers excellent fuel efficiency of 4‐6 gal./h (17‐22 L/h) on average without compromising process flexibility, safety or durability of the hydraulic drive. Setting Standards in Mobility The Lokotrack LT106's compact dimensions and agility on tracks mean lower transport costs between and within crush‐ ing sites. The chassis design, with good clearance on both ends, enables safe and easy loading onto a trailer. The unit is ready for crushing or transport within minutes, thanks to the patented feed hopper with a safe hydraulic securing system and radial side conveyor. Demanding Applications Safe and Easy to Operate New design features, such as engine and flywheel composite covers, together with large service platforms and excellent ac‐ cessibility make daily operations safe and easy. "There are so many things you can point to that make this new Lokotrack LT106 better than the previous one," said Tommi Lehtonen, Metso vice president, mobiles. "It is completely re‐engineered, design work was driven by our close relationship with our customers, and the result is a more efficient, reliable and pro‐ ductive machine. Naturally, we made it the safest machine to operate in the industry." Metso, Heavy Machinery Maintenance ROCKproducts • JUNE 2013 27

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