Politecnico di Milano has developed in collaboration with the Casartelli Antonio srl company, an innovative system for an in-line dimensional check of the adjusted details. The innovative aspect of the developed system is the compensation of the thermal expansion of the measuring bench and the measurand. The developed algorithms allow measuring the piece directly in the production line without waiting for it to cool down or resorting to a controlled temperature environment. The compensation procedure allows obtaining an accuracy of the order of µm in the measurement of the diameters greater than 100 mm with the temperatures varying between 15 and 45 °C. The results of the research project will be presented at the “Metrology for Industry 4.0 and IoT” congress held in Rome in June 2020.

Referent: Politecnico di Milano

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