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Fiber-optical measurement of form deviations of rotation-symmetric parts

Faseroptische Messung von Formabweichungen bei rotationssymmetrischen Teilen
 
: Schmitt, Robert; König, Niels; Mallmann, Guilherme Francisco; Depiereux, Frank

:

Finkelstein, L.:
IMEKO XIX World Congress. Part 1: Advances in fundamental and applied metrology : Held in Lisbon, Portugal, September 6 - 12, 2009
St. Louis, Mo.: Elsevier, 2010 (Measurement 43.2010, Nr.5)
pp.714-718
IMEKO World Congress <19, 2009, Lisbon>
English
Conference Paper, Journal Article
Fraunhofer IPT ()
roundness; run-out; fiber-optic metrology

Abstract
The quality inspection of products poses a challenge towards existing production metrology techniques in terms of accuracy and speed, especially when it comes to inline or in-process measurements. In this terms, optical metrology proves its capabilities, in particular for sensible and fragile work pieces. For the inspection inside small spaces and cavities or for complex geometries, many optical metrology system are to inflexible or cannot be miniaturized enough. Within this work a set-up for a fiber-optic low-coherence interferometer system is described. Due to the high degree of miniaturization of the sensing probe, the system can be used for demanding measuring tasks like roundness of small drilling holes or the run-out of shafts. Different evaluation measurement are presented, which underline the potential of the described system for highly accurate, non-contact inspection of rotational parts.

: http://publica.fraunhofer.de/documents/N-132250.html