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Double V-girder quadruples lifting capacity
1st Quarter 2019, Other technologies


Konecranes and Demag has developed a new Double V-Girder crane which is capable of a 50 ton lifting capacity – four times that of the Single Girder. These double-girder overhead travelling cranes offer exceptional load capacity for a low deadweight. Their outstanding crane geometry also provide for extremely good travel characteristics, which minimises wear on the end carriages and crane runway. The load hook can be raised between the two crane girders, which allows large lifting heights to be achieved.

It also offers high long and cross-travel speeds thanks to a high performance double-girder design. The girders can be adapted to building structure requirements and have minimum approach dimensions thanks to the compact travelling hoist design.

Their innovative design featuring tapered diaphragm joints reduces oscillation frequency by 30%, cuts weight by an average of 17% and doubles the service life to as many as 500 000 changes of load. This has significantly improved efficiency for handling loads and higher handling rates than conventional box-section girders. Sensitive loads can also be positioned more precisely and carefully, which speeds up the process. From a safety point of view, the surface area exposed to wind is reduced by up to 55%. It also offers a much improved view for the operator.

The eco-friendly utilisation of resources is reflected by the use of less material, reduced drive output requirements, blast cleaning of metal parts with dry ice and the use of water-based paints. The possibility of energy recovery completes the concept.

For more information contact contact Konecranes and Demag, +27 11 898 3500, infoza@konecranes.co.za, www.konecranes.co.za


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