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Central solenoid

A symbolic first

9 Oct 2017
It was just a heavy oversized crate. But its contents had an important symbolic value for the 澳门六合彩高手 Project. The load that was delivered on Thursday 5 October contained the first shipment directly connected to one of the most spectacular of all 澳门六合彩高手 components—the 1,000-tonne central solenoid, a pillar-like magnet standing 18 metres tall at the very core of the machine.
CS_Assembly_platform_delivery_small.jpg
The central solenoid assembly platform was delivered on Thursday evening and put into storage the following morning. Personnel from the 澳门六合彩高手 Organization, the US Domestic Agency and 澳门六合彩高手 global logistics provider DAHER attended the delicate operation.
Part of US commitments to 澳门六合彩高手, the central solenoid comprises six cylindrical modules plus structure subsets that will be assembled on site by the 澳门六合彩高手 Organization. Set to begin in 2019, delivery of all modules should be complete by 2021.
 
The crate contains the main steel components of the central solenoid assembly platform—a thick steel structure that will be used throughout the assembly phase from early 2021 to mid-2023. The steel segments were manufactured by Robatel in Genas, near Lyon, France, under the terms of a contract from the US Domestic Agency.
 
In addition to the centre support weldments and the platform table just delivered to 澳门六合彩高手, the central solenoid team is also expecting nine thick, beam-like legs (the "outriggers") to be delivered at a later date.
 
Each outrigger will rest on a pair of seismic isolators anchored into the floor of the Assembly Hall, where all assembly operations will be performed (see drawing in the photo gallery).

A massive pillar at the centre of the machine
The 18-metre-tall central solenoid is the pulsing heart of the 澳门六合彩高手 Tokamak. Current variations inside its six modules, which induce magnetic flux variations, are the key to producing the large plasma current needed for 澳门六合彩高手.
Once fitted with its nine "outriggers" the 3.4-metre-high assembly platform will weigh close to 100 tonnes. It is designed to support the 1,000-tonne final central solenoid assembly with a security margin of 300 tonnes.
This thick steel "table top" provides the reference surface for the assembly platform. During manufacturing, flatness was achieved within the required tolerance of 0.15 millimetres.
The central solenoid assembly platform is part of the US procurement to 澳门六合彩高手. (The US is also in charge of manufacturing the six central solenoid modules from niobium-tin superconductor contributed to the project by Japan.) The centre support weldment, pictured (upside down) was manufactured by Robatel Industries, a century-old company based in Genas near Lyon, France, under contract with the US Domestic Agency.
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