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Latest ITER Newsline

  • Blanket shield blocks | Full-scale prototype passes key test in China

    A full-scale prototype of a blanket shield block manufactured in China successfully passed acceptance tests, including the challenging hot helium leak testing i [...]

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  • US Congressional hearing | Strong bipartisan support expressed

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  • Plasma heating | Demonstrating neutral beam injection at ITER scale

    The critical technologies of neutral beam injection—the workhorse of ITER plasma heating—will be demonstrated in advance of ITER operation at a test facility lo [...]

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  • Tokamak Complex | A temporary roof for the bioshield

    In August of last year, a circular platform—the 'lid'—was installed deep inside of the ITER bioshield, effectively splitting the well-shaped work area into two. [...]

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  • Fusion world | 210 papers presented at KSTAR conference

    The superconducting tokamak KSTAR has been in operation at the National Fusion Research Institute in Daejeon, Korea, since 2008. The KSTAR conference, held a [...]

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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, 800-tonne 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-tonne 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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