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The new deck crane with synchronised control system.

Mitsubishi delivers crane with new control system

DUBAI, October 28, 2014

Mitsubishi Heavy Industries, a multi-national engineering, electrical equipment and electronics company, has completed delivery of the first three units of a 50-tonne deck crane featuring a newly-developed synchronised control system.

The new control system will be used for a long-cargo transport ship constructed by Shin Kurushima Dockyard Company.

The synchronised control system of the three deck cranes enables safe and efficient loading and unloading of long cargo, playing a major role in the world's longest long-cargo transportation project.

The synchronised control system allows simultaneous and uniform control of three deck cranes - which have been controlled only independently - by a single operator, for hoisting and jib elevation tasks. In addition to operations from the operator's cabin, operations can also be controlled remotely on deck. A (patent-pending) function that enables switching of the hook control reference position to either the hull or wharf is also provided. This function enables smooth cargo handling irrespective of the hull's inclination.

Besides the safety features provided on standard cranes, the new deck cranes are equipped with precaution alarms by a buzzer and lamps depending on the applied load and an automatic stop function as an overload protection system. The new deck cranes also have a "deviation-overrun" function that halts operation when the deviation of the hook position or the jib angle between the three cranes exceeds its tolerance, as well as a function to provide operation priority to the controller of either the cabin or the deck.

The newly delivered cranes are installed at roughly 50 m intervals along the approximately 155 m-long hold of a ship having an overall length near 190 m. The newly outfitted ship enables loading and unloading of 150 m-long cargo at full size, without dividing it into parts. This unprecedented capability will contribute to the stable and efficient transport of long cargo at a time when the demand for such long cargoes is increasing worldwide.

Leveraging the incorporation of the synchronised control technology in its deck cranes, going forward MHI will focus on marketing new solutions for enhancing efficiency in the marine transport industry. – TradeArabia News Services




Tags: Crane | Mitsubishi |

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