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PUBDB-2017-13966

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Analysis of the Production, Installation and Commissioning of the European-XFEL Frequency Tuners

Paparella, R. (Corresponding author)INFN* ; Albrecht, C.DESY* ; Barbanotti, S.DESY* ; Bellandi, A.DESY* ; Branlard, J.DESY* ; Jensch, K.DESY* ; Lilje, L.DESY* ; Cloué, C. ; Trublet, T.Extern* ; Madec, C. ; Bosotti, A. ; Sertore, D.

2017
JACoW
ISBN: 978-3-95450-191-5

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Please use a persistent id in citations: doi:10.3204/PUBDB-2017-13966

Abstract: In the European-XFEL superconducting linac, mechanical frequency tuners equipped with stepper motors and piezoelectric actuators provide cold tuning of each of the 768 1.3 GHz cavities. More than 820 complete tuning systems were fabricated and pre-assembled in industry, tested at several stages before and after assembly and successfully commissioned during cryo-module cold tests at AMTF (DESY). Quality control strategy adopted to preserve the well-assessed tuner reliability through such a large-scale industrial production is critically reviewed and the lessons learned are presented in this paper. The statistical analysis of the large set of data acquired up to the recent commissioning of the entire linac is then summarized.

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Contributing Institute(s):

1. Strahlkontrollen (MSK)
2. Kryogenik (MKS1)
3. Vakuumsysteme (MVS)

Research Program(s):

1. 6G13 - XFEL (POF3-622) (POF3-622)

Experiment(s):

1. Facility (machine) XFEL

Appears in the scientific report 2017

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