Interior Geometry Inspection Using Rerouted Fringe Projection

Abo-Namous, Omar; Kästner, Markus; Reithmeier, Eduard

doi:10.1007/978-3-642-03051-2_119

Cited by 1 publication

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“…gearwheels and synchronised discs) can be detected by using this technology. However, finished workpieces exhibit mainly very smooth and shiny surfaces which, owing to their reflecting behaviour, are not amenable to the fringe-projection technique [1]. Surface treatment methods represent one solution to this problem such as, for example, fine blasting or hydrodynamic abrasion processes with which the test piece's original mirror finish is roughened at the micrometer level and is thus rendered optically measurable.…”

Section: Introductionmentioning

confidence: 99%

“…The fringe projection system MikroCAD from the company GF Messtechnik is employed to verify the specimen's optical cooperativity regarding the measurement with triangulation techniques. Moreover, cylindrical specimens for assessing the radiant characteristics were measured using a measuring principle purposely developed for this task [1]. A further aim of the project is to attempt to correlate the tactile and optical surface roughness values.…”

Section: Introductionmentioning

confidence: 99%

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Non-Contact Geometry Inspection of Workpieces with Optically Non-Cooperative Surfaces

Bach

Möhwald

Nicolaus

et al. 2010

KEM

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In order to produce optically cooperative surfaces to use triangulation measuring systems, the methods of surface and thin-coating technology are resorted to. Among these number physical methods such as PVD technology, (electro-)chemical treatment as, for example, electrochemical etching and electroless coatings as well as mechanical treatments of the components by means of glass-bead and corundum blasting. The processes mentioned are suitable for producing optically cooperative surfaces since, owing to the corresponding test parameters, a change of the component's surface occurs at the sub-micrometer scale. Currently, no indication in the literature is provided that such processes are employed for manufacturing optically cooperative surfaces vis-à-vis triangulation methods.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%