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News & Media

Latest ITER Newsline

  • Central solenoid assembly | First sequences underway

    What does it take to assemble the magnet at the heart of ITER? Heavy lifting, unerring accuracy, and a human touch. The central solenoid will be assembled from [...]

    Read more

  • Assembly | The eyes of ITER

    Supervisors ensure compliance and completion as machine and plant assembly forges ahead. In Greek mythology, Argus was considered an ideal guardian because his [...]

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  • Component repairs | Removing, displacing and disassembling

    A good repair job starts with a cleared workbench, the right tools on hand and a strong vise. This axiom, true for odd jobs in a home workshop, is also true for [...]

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  • Assembly | Set of handling tools for in-vessel installation finalized

    Inside of a test facility that reproduces the volume and geometry of the ITER vacuum vessel environment, a team from CNIM Systèmes Industriels has dem [...]

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  • 360° image of the week | The assembly theatre

    Ever since it was invented almost two centuries ago, photography has tried to capture what the human eye actually sees. Despite huge progress achieved, it has n [...]

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Of Interest

See archived entries

Image of the week

Bearings unveiled

The construction teams are in the last stages of preparing the Tokamak pit for the first major operation of ITER machine assembly: the lowering of the cryostat base onto supports in the Tokamak pit. Around the concrete "crown," female lugs have been precisely adjusted, and the protective coverings have been removed from the 18 cryostat bearings that were installed six months ago.

With their protective coverings removed, the 18 cryostat support bearings that dot the crown like jewels are clearly visible. (Click to view larger version...)
With their protective coverings removed, the 18 cryostat support bearings that dot the crown like jewels are clearly visible.
The circular shape at the very centre of the pit is a set of deeply embedded plates designed to anchor the central column of the in-pit assembly tool. This tool will support, align, and stabilize the vacuum vessel sub-assemblies as they are progressively joined and welded.

The cryostat support bearings will act as ball-and-socket joints to allow the smooth transfer of the tremendous forces that will be exerted on the machine in all types of situations. (Click to view larger version...)
The cryostat support bearings will act as ball-and-socket joints to allow the smooth transfer of the tremendous forces that will be exerted on the machine in all types of situations.
By mid-week, the Tokamak pit will be perfectly clean and ready to receive the 1,250-tonne cryostat base, an operation both delicate and spectacular that will open a new chapter in the history of ITER.



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