Interlaboratory Comparison of a physical and a virtual assembly measured by CT

Alessandro Stolfi*, Leonardo De Chiffre

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

In a comparison including 20 laboratories, a physical as well as a virtual assembly provided as two data sets were used to investigate measuring and post-processing approaches in Computed Tomography, CT. Different procedures were used in the comparison including one simulating in-line measurement. The comparison demonstrated that: (i) a tangible improvement in the use of CT compared to previous comparisons; (ii) most of the participants were able to reduce their scanning time by more than 70% without increasing the length measurement errors; and (iii) most of the participants can further reduce their uncertainties, thereby reducing the tolerance size that can be inspected using CT in industry.
Original languageEnglish
JournalPrecision Engineering
Volume51
Pages (from-to)263-270
ISSN0141-6359
DOIs
Publication statusPublished - 2018

Keywords

  • Computed Tomography (CT)
  • Measurement uncertainty
  • Assemblies

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