Computed tomography as a tool for tolerance verification of industrial parts

Pavel Müller, Angela Cantatore, J.L. Andreasen, Jochen Hiller, Leonardo De Chiffre

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Abstract

Computed tomography (CT) is becoming an important technology for industrial applications, enabling fast and accurate control of manufactured parts. In only a few minutes, a complete 3D model of a part may be obtained, allowing measurements of external and internal features. This paper presents results of tolerance verification of a plastic housing for an insulin pen manufactured by Novo Nordisk A/S. Calculation of measuring uncertainties was taken into account in decision making regarding the specified tolerance limits. Variables in terms of CT systems, data sets, and evaluation software are considered in this study.
© 2012 The Authors. Published by Elsevier B.V.
Original languageEnglish
JournalProcedia CIRP
Volume10
Pages (from-to)125-132
ISSN2212-8271
DOIs
Publication statusPublished - 2013
Event12th CIRP Conference on Computer Aided Tolerancing - Huddersfiels, United Kingdom
Duration: 18 Apr 201219 Apr 2012

Conference

Conference12th CIRP Conference on Computer Aided Tolerancing
CountryUnited Kingdom
CityHuddersfiels
Period18/04/201219/04/2012

Keywords

  • Computer tomography
  • Measuring uncertainty
  • Tolerance verification
  • Voxel model
  • STL model

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