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| Home > Publications database > Experience on Series Production of the Superconducting Magnet Package for the Linear Accelerator of the European XFEL |
| Contribution to a conference proceedings | DESY-2014-00764 |
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2014
Abstract: Abstract—The procurement of 103 superconducting magnetpackages is part of the Spanish in-kind contribution to theEuropean X-FEL. Each package consists of a main superferricquadrupole and two steerers, vertical and horizontal, fed byconduction-cooled current leads and enclosed in a stainless steelvessel. The operation temperature is 2 K, as they are embeddedin a superfluid helium bath. The magnetic and mechanicaldesigns are published elsewhere. The magnets are beingproduced in the Spanish company ANTEC, while the vessels arefabricated by another Spanish company, Trinos Vacuum-Projects, which is also responsible for the integration, under thesupervision of CIEMAT. The helium vessel manufacturer needsto accomplish the requirements given by the European PressureEquipment Directive, namely PED 97/23/EC. This paperdescribes the series fabrication techniques, the production followup,the quality assurance and the magnet testing at themanufacturer site. Cold tests are realized at DESY premises. Themain problems found during the fabrication of the first half ofthe series are also reported: a) the reproducibility of thequadrupole coil dimensions; b) the accuracy of the beam positionmonitor housing after final welding of the vessel; and c) theminimization of the magnetization effects on the transfer functionof the magnets.
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