Replica calibration artefacts for optical 3D scanning of micro parts

Leonardo De Chiffre (Invited author), S. Carmignato (Invited author), Angela Cantatore (Invited author), J.D. Jensen (Invited author)

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Abstract

This work deals with development of calibration artefacts produced by using hard replica materials, achieving high quality geometrical reproduction of suitable reference artefacts, high stability, and high surface cooperativeness. An investigation was carried out using a replica material for dental applications to reproduce the geometry of a step artefact, a miniature step gauge, and a curve standard for optical measuring machines. The replica artefacts were calibrated using a tactile coordinate measuring machine and measured on two different optical scanners. Replication quality and applicability of the artefacts to verify the accuracy of optical measurements as well as thermal expansion coefficient and stability of the replica artefacts over time were documented.
Original languageEnglish
Title of host publicationProceedings of the euspen International Conference
Publication date2009
Publication statusPublished - 2009
Event9th International Conference of the European Society for Precision Engineering and Nanotechnology - San Sebastian, Spain
Duration: 2 Jun 20095 Jun 2009
Conference number: 9

Conference

Conference9th International Conference of the European Society for Precision Engineering and Nanotechnology
Number9
CountrySpain
CitySan Sebastian
Period02/06/200905/06/2009

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