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Contractors World -
2014 Vol 5 No 5
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What's New In Plant & Equipment
A new mobile concrete sprayer from Atlas Copco - the MEYCO Versa
Atlas Copco MEYCO AG has launched a new mobile spraying unit designed for efficient shotcreting of mid-size tunnels.
This unit, called MEYCO Versa, is the first Atlas Copco branded product to be launched on the market since the company acquired MEYCO in 2013.
The sprayer is designed to meet the present and future concrete spraying (shotcreting) needs of mid-size tunnels in hydro-power, road and rail projects.
It is based on a new design concept aimed at meeting demands for high productivity, ease of operation and reliability.
The MEYCO Versa is an all-in-one solution for concrete spraying designed for one operator. It has a new carrier platform with 4 x 4 crab steering, and is powered by a Tier 4 diesel engine.
It also has a new boom, an optional 75kW on-board compressor, a 20m³/h low pulsation concrete pump and a high-precision dosing system.
Christof Ziegler, Product Manager at Atlas Copco MEYCO, says:
One of the key features of this machine is its Mezza boom which is fast and smooth, while at the same time reducing overall wear and tear. This has been achieved thanks to a new type of glide bearing technology that we have developed as a result of feedback from our customers.
Added to this is an intuitive user interface making the MEYCO Versa easy to understand and handle with all key functions carried out from the radio remote control. Bearing in mind that the unit is meant for one operator, the machine’s components have also been cleverly arranged to minimize setup and cleaning time.
Minetruck MT42 gets major upgrade
The popular 42-tonne truck from the Atlas Copco Minetruck range is given a major upgrade for increased productivity, safety and sustainability.
Atlas Copco’s Minetruck MT42 was introduced to the market in 2009, and has since been a workhorse for mines around the world. Now a range of new improvements has given this 42-tonne capacity vehicle the means to beat its own high productivity record.
New box with tailgate
The new box is made of high strength steel. It has the same physical envelope size as the previous model, but with a reduced dump height. The geometry is new with optimized internal plate angles, making it easier for material to be released.
In addition, the new box is equipped with an innovative tailgate, which acts as a spill guard. The tailgate folds down automatically behind the box before dumping without affecting either ground clearance or visibility through the rear view camera. The gate is hydraulically operated and the status of the gate’s position is presented for the operator on the display in the cabin.
Tier 4 final engine
The new engine alternative for Minetruck MT42, the Cummins QSX15, meets the exhaust emission requirements of both EPA Tier 4 final and EU Stage IV, moving forward to meet near-zero emission levels. Compared to Tier 3 emission levels the new engine represents a 90 percent reduction for both PM (particulate matter) and NOx (nitrogen oxides).
The engine installation is fully integrated into the design of the Minetruck MT42 and the Atlas Copco’s Rig Control System, RCS. which can show the status of the particulate filter and the level of the diesel exhaust fluid tank can be monitored on the display in the cabin.
The engine alternative is only suitable for markets with supply of Ultra Low Sulphur Diesel (ULSD), and low ash engine oil.
Retarder for higher speed
The Minetruck MT42 is also ready for an optional electromagnetic retarder braking system. When hauling downhill, the retarder creates resistance and retardation, providing wear-free braking. Under the right conditions it can also allow for a higher speed, resulting in increased productivity.
This solution can be especially useful in applications with a high degree of haulage downhill with load, such as haulage of waste rock fill or in cut and fill applications.
All these new features make this truck even better when it comes to productivity, safety, reliability and sustainability. It’s all about moving as much ore as possible in a safe and controlled manner and the upgraded Minetruck MT42 is unmatched in doing that.
says Marcus Lundbergh, Product Manager at Atlas Copco.
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Page updated: November - December 2018
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