LINAC2016 - List of Authors (Udup, E.)

Paper	Title	Page
THPLR050	IFMIF RFQ Module Characterization via Mechanical and RF Measurements	972
	L. Ferrari, A. Palmieri, A. Pisent INFN/LNL, Legnaro (PD), Italy R. Dima, A. Pepato, A. Prevedello, E. Udup INFN- Sez. di Padova, Padova, Italy
	The RFQ of the IFMIF/EVEDA project is a 9.9 m long cavity able to accelerate a 130 mA deuteron beam from the input energy of 100 keV to the output energy of 5 MeV. Such RFQ operates at the frequency of 175 MHz and is composed of 18 mechanical modules approximately 0.55 m long each. The RFQ realization involves the I.N.F.N. Sections of Padova, Torino and Bologna, as well as the Legnaro National Laboratories (L.N.L.). The metrological measurements via CMM (Coordinate Measuring Machine) provided to be a very effective tool both for quality controls along the RFQ production phases and in the reconstruction of the cavity geometric profile for each RFQ module. The scans in the most sensitive regions with respect to RF frequency, such as modulation, tips, base-vane width and vessel height provided the values of the cavity deviations from nominal geometry to be compared with design physic-driven tolerances and with RF measurements. Moreover, the comparison between mechanical and RF measurements suggests a methodology for the geometric reconstruction of the cavity axis and determines the final machining of the end surfaces of each module in view of the coupling with the adjacent ones. In this paper a description of the meteorological procedures and tests and of the RFQ along its production and assembly phases will be described.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THPLR050
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Paper

Title

Page

IFMIF RFQ Module Characterization via Mechanical and RF Measurements

972

L. Ferrari, A. Palmieri, A. Pisent
INFN/LNL, Legnaro (PD), Italy
R. Dima, A. Pepato, A. Prevedello, E. Udup
INFN- Sez. di Padova, Padova, Italy

The RFQ of the IFMIF/EVEDA project is a 9.9 m long cavity able to accelerate a 130 mA deuteron beam from the input energy of 100 keV to the output energy of 5 MeV. Such RFQ operates at the frequency of 175 MHz and is composed of 18 mechanical modules approximately 0.55 m long each. The RFQ realization involves the I.N.F.N. Sections of Padova, Torino and Bologna, as well as the Legnaro National Laboratories (L.N.L.). The metrological measurements via CMM (Coordinate Measuring Machine) provided to be a very effective tool both for quality controls along the RFQ production phases and in the reconstruction of the cavity geometric profile for each RFQ module. The scans in the most sensitive regions with respect to RF frequency, such as modulation, tips, base-vane width and vessel height provided the values of the cavity deviations from nominal geometry to be compared with design physic-driven tolerances and with RF measurements. Moreover, the comparison between mechanical and RF measurements suggests a methodology for the geometric reconstruction of the cavity axis and determines the final machining of the end surfaces of each module in view of the coupling with the adjacent ones. In this paper a description of the meteorological procedures and tests and of the RFQ along its production and assembly phases will be described.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-LINAC2016-THPLR050

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)