Kleemann introduces four new crushers
At parent company Wirtgen’s exhibit (Booth 51021, Central Hall) Kleemann features four new crushers, two impact and two jaw units.
The new jaw crushers include the Mobicat MC 110 Ri EVO and MC 110 Zi EVO.
The MC 110 Ri EVO has a vibratory feeder with integrated grizzly, while the MC 110 Zi EVO incorporates a vibrating feeder with an independent, double-deck, heavy-duty prescreen. Both feature a crusher inlet of 28 by 44 inches.
Either way, wear in the system is reduced because medium and smaller gradations bypass the crusher, with an increase in end product quality through discharge of fines via the side discharge conveyor. A bypass flap provides easy diversion of the material flow, eliminating the need for a blind deck.
“We’ve made it more lightweight and easier to transport,” says Nick Ford, technical sales specialist, noting the MC 110 Ri EVO weighs 85,000 pounds and the MC 110 Zi EVO weighs 87,100 pounds.
The series has been redesigned from scratch, thus allowing the combination of new features such as the hopper walls integrated in the chassis – or a fully hydraulic crushing gap adjustment via touch panel – with proven concepts like an independent double-deck prescreen (in the Z model), making the plants even more versatile and efficient.
The new design features an extra-long, articulated crusher jaw and uses direct drive crushers and electric drives for the vibrating conveyors, belts, and the prescreen. This permits efficient operation with low fuel consumption – Ford says the machines consume 5 to 7 gallons per hour – and allows optimal loading of the crusher. Beneath the crusher a deflector plate keeps tramp metal from degrading the conveyor belt.
In terms of impact crushers, the Mobirex MR 110 ZSi EVO 2 and MR 130 Zi EVO 2, highlight the next evolution of Kleemann’s EVO contractor line, with improvements aimed at economy and operational safety. With crusher inlet openings of 43.3 inches and 51 inches, respectively, the machines can provide production rates of 350 or 450 tons per hour.
The “S” indicates a Mobirex unit with optional, secondary vibrating screen with extra-large screening surface mounted on the discharge conveyor. This secondary screen unit can produce spec material, potentially eliminating the need for a separate screen.
The feeding unit has hydraulically folding hopper walls and locking system, which speeds setup. A vibrating double-deck prescreen between hopper and crusher eliminates fines from the product flow before they enter the crusher, reducing wear and cutting fuel costs.
Both units are Tier 4 final-compliant. The new EVO 2 Mobirex mobile impact crushers utilize direct drive crushers and electric drives for the vibrating conveyors, belts and the prescreen. This permits high fuel efficiency and allows optimal loading of the crusher.
These crushers feature a new inlet geometry which allows better penetration of the material into the range of the rotor. Also, the wear behavior of the new C-form impact ledges has been improved so edges remain sharper longer, leading to improved material shape. The rotor ledges are held securely by a new clamping system, which means that they can be changed even quicker, and thus contribute to greater plant uptime.
The machines are equipped with a direct drive system, while a diesel engine transmits its power directly to the flywheel of the crusher, via a fluid coupling and V-belts. This drive concept creates versatility, as the rotor speed can be adjusted in four stages to suit different processing applications.
Kleeman, Wirtgen, crusher, impact, jaw unit, Mobicat MC 110 Ri EVO , Mobicat MC 110 Zi EVO, EVO 2 Mobirex mobile impact crushers, ConExpo-Con/Agg, ConExpo-Con/Agg 2014, CECA, CECA 2014
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