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News & Media

Latest ITER Newsline

  • First toroidal field coil case: on target in Japan

    At Mitsubishi Heavy Industries' Kobe plant in western Japan, one of the world's largest milling machines is turning out sub-segments for ITER'storoidal field co [...]

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  • Tokamaks of the world, contribute!

    The annual end-of-year meeting of the International Tokamak Physics Activity (ITPA) was held at ITER Headquarters from 6 to 8 December. There are dozens of to [...]

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  • Vacuum vessel component passes pressure equipment tests

    Extending out from the openings in the ITER vacuum vessel (or "ports") are components called port stub extensions that will be welded to the vacuum ve [...]

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  • A home for (oversized) hobbits?

    In the realm of the (plasma) ring one shouldn't be too surprised to find structures closely resembling the door to a hobbit's hole. But in this case, these lar [...]

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  • Progress in pictures

    The 2016 edition of the ITER Photobook has just been released─58 pages that cover progress in construction and manufacturing and some of the highlights in the l [...]

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Of Interest

See archived articles

A giant's first steps



In Korea, manufacturing has begun for one of ITER's largest and most spectacular pieces of machinery: the first of a pair of 22-metre high, 860-ton Sector Sub-Assembly tools.

"The Sector Sub-Assembly tools are not only imposing in size, but they are actually complex systems, with a lot of sub-components, precision actuators and powerful hydraulic engines," says Hyung-Yeol Yang, ITER Korea's director for advanced technology research.

Standing shoulder to shoulder under the high ceiling of the Assembly Building, the Sector Sub-Assembly tools will suspend each of the nine vacuum vessel sectors in order to install toroidal field coils and thermal shielding. The resulting 1,200-ton sub-assemblies will be transferred to the Tokamak Complex and integrated into the machine.

On 15 February, the contractor Taekyung Heavy Industry commenced material cutting. The first of the twin Sector Sub-Assembly tools should be ready by October this year for a battery (six months) of factory acceptance tests, followed by delivery to ITER in mid-2017.

The twin giants are but the most spectacular of the 128 purpose-built assembly tools that Korea will procure for the ITER Project.


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