17 June 2009 Flexible optical metrology strategies for the control and quality assurance of small series production
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The demand for achieving smaller and more flexible production series with a considerable diversity of products complicates the control of the manufacturing tasks, leading to big challenges for the quality assurance systems. The quality assurance strategy that is nowadays used for mass production is unable to cope with the inspection flexibility needed among automated small series production, because the measuring strategy is totally dependent on the fixed features of the few manufactured object variants and on process parameters that can be controlled/compensated during production time. The major challenge faced by a quality assurance system applied to small series production facilities is to guarantee the needed quality level already at the first run, and therefore, the quality assurance system has to adapt itself constantly to the new manufacturing conditions. The small series production culture requires a change of paradigms, because its strategies are totally different from mass production. This work discusses the tight inspection requirements of small series production and presents flexible metrology strategies based on optical sensor data fusion techniques, agent-based systems as well as cognitive and self-optimised systems for assuring the needed quality level of flexible small series. Examples of application scenarios are provided among the automated assembly of solid state lasers and the flexible inspection of automotive headlights.
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R. Schmitt, R. Schmitt, A. Pavim, A. Pavim, } "Flexible optical metrology strategies for the control and quality assurance of small series production", Proc. SPIE 7389, Optical Measurement Systems for Industrial Inspection VI, 738902 (17 June 2009); doi: 10.1117/12.827589; https://doi.org/10.1117/12.827589


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