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Thermography on machine tools

Thermografie an Werkzeugmaschinen
: Riedel, Mirko; Deutsch, Jessica; Müller, Jens; Ihlenfeldt, Steffen

TU Dresden, Institut für Maschinenelemente und Maschinenkonstruktion:
Conference on Thermal Issues in Machine Tools 2018. Proceedings : 21.-23. März 2018, Dresden
Zwickau: Verlag Wissenschaftliche Scripten, 2018
ISBN: 978-3-95735-085-5
Conference on Thermal Issues in Machine Tools <2018, Dresden>
Fraunhofer IWU ()
thermography; emission coefficient; photogrammetry

A basis for the adjustment of thermo-elastic models is the measurement of temperatures at a large number of measuring points. For this purpose, the thermography can be used. However, the determination of the emission coefficients and the measurement on large moving parts are problematic. The difficulty lies in the geometrical assignment of the measuring points to the moving assemblies and in the localization of image points. The article describes a measuring system based on combination of thermography and photogrammetry for measuring temperatures at moving assemblies. The main points of the contribution are the functional principle, structure and an exemplary application.