The Drift Tube Welding Assembly for the Linac4 Drift Tube Linac at CERN

The fabrication of the Linac4 Drift Tube Linac (DTL) required the welding assembly of 10⁸ drift tubes (DT) which has been undertaken at the CERN workshop. The design of the DTL is particular in that it was purposely simplified to avoid any position adjustment mechanism for drift tubes in the tank. I...

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Detalles Bibliográficos
Autores principales: Sexton, Ian, Cherif, Ahmed, Cuvet, Yves, Favre, Gilles, Geisser, Jean-Marie, Ramberger, Suitbert, Sgobba, Stefano, Tardy, Thierry, Mirapeix, Fernando
Lenguaje:eng
Publicado: 2014
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/2062617
Descripción
Sumario:The fabrication of the Linac4 Drift Tube Linac (DTL) required the welding assembly of 10⁸ drift tubes (DT) which has been undertaken at the CERN workshop. The design of the DTL is particular in that it was purposely simplified to avoid any position adjustment mechanism for drift tubes in the tank. In consequence, drift tubes have been designed with tight tolerances and parts have been assembled with an optimised welding procedure. Two re-machining stages have been introduced in order to compensate for welding distortions. This paper discusses the various assembly stages with a view on the final precision that has been achieved.

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