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  • Gravity supports | More than just pedestals

    In the ITER Tokamak, components with the simplest of missions—like supporting a very heavy load—are pieces of highly sophisticated technology. Take the gravity [...]

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  • Image of the week | The welding of the feeder stubs

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  • Fusion world | Technical University of Denmark wins fusion outreach grant

    A consequential grant from the Danish Novo Nordisk Foundation will permit two fusioneers from the Technical University of Denmark (DTU) to broaden their educati [...]

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  • IAEA Scientific Forum | Urgent need for a clean energy transition

    On 22-23 September the International Atomic Energy Agency held its annual Scientific Forum on the margins of its General Conference. This year's theme was 'N [...]

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Of Interest

See archived entries

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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