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Latest ITER Newsline

  • Vacuum vessel | First segment completed in Korea

    The technically challenging fabrication of the ITER vacuum vessel is progressing in Korea, where Hyundai Heavy Industries has completed the first poloidal segme [...]

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  • Project progress | How do we know where we stand?

    If ITER were an ordinary project, like the building of a bridge, the construction of a highway or even the launching of a satellite into space, it would be rela [...]

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  • Radial walls| Thickest rebar and most intricate geometry

    The combined mass of the ITER Tokamak and its enveloping cryostat is equivalent to that of three Eiffel Towers. But not only is it heavy (23,000 tonnes) ... it [...]

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  • Next step | Japan revises its DEMO strategy

    In light of recent progress on the construction of ITER and developments in domestic fusion research, the Science and Technology Committee on Fusion Energy—part [...]

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  • Monaco-ITER Fellows | Campaign opens for the 6th generation

    The ink has only just dried on the second Monaco-ITER Partnership Arrangement. Funded by the Principality of Monaco, the Arrangement allows the ITER Organizatio [...]

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Of Interest

See archived articles

On-site coil winding

Big, round and red

It's big, round and red and represents the latest addition to the collection of cranes operating on the ITER construction site.

Together, hydraulic towers and circular beam will form a 30-metre-in-diameter gantry crane. The next phase will consist in installing the crane's electrical wiring, completing the commissionning, and executing the site acceptance tests. (Click to view larger version...)
Together, hydraulic towers and circular beam will form a 30-metre-in-diameter gantry crane. The next phase will consist in installing the crane's electrical wiring, completing the commissionning, and executing the site acceptance tests.
On Friday 8 December, two powerful mobile platforms slid under the 360-tonne circular beam, lifted it a few metres, and drove it slowly into the Poloidal Field Coils Winding Facility.

At the northern end of the building, four hydraulic towers, sitting on rails, were waiting for their load. Together, towers and beam will form a 30-metre-in-diameter gantry crane, travelling on rails and capable of handling, in a perfectly balanced manner, the heaviest of the ring-shaped coils throughout the last stages of fabrication.

The yellow spreader beam in the foreground, with a lifting capacity of 40 tonnes, will handle the individual ''double pancakes.'' Once the double pancakes are assembled into a coil, they will be manipulated throughout the last stages of fabrication by the red gantry crane. (Click to view larger version...)
The yellow spreader beam in the foreground, with a lifting capacity of 40 tonnes, will handle the individual ''double pancakes.'' Once the double pancakes are assembled into a coil, they will be manipulated throughout the last stages of fabrication by the red gantry crane.
The European Domestic Agency is manufacturing ITER's four largest poloidal field coils in this facility. They range in weight from 200 to 400 tonnes, and measure 17 to 24 metres in diameter. (More information here.)

The crane was designed and manufactured by the Spanish company ALE Heavylift, with the steel structure produced near Madrid and the hydraulic and electrical parts in the Netherlands. Approximately six months of work were necessary to assemble the beams from the first crane components delivered to the ITER site in June, and to install the rails and the hydraulic towers inside the building.


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