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Journal Articles Precision Engineering Year : 2012

In situ non-contact measurements of surface roughness


Surface roughness measurements are often required to validate a machining process. However, when using a 3D surface roughness measuring instruments it is usually necessary to remove the part from the machine tool between two operations, potentially introducing systematic errors. Furthermore, surface roughness measuring instruments are not suited for measuring heavy and large parts such as stamping dies. This paper presents a method to measure the surface topography of a part in situ, i.e. directly on the machine tool without removing the part. After introducing the sensor technology and the data acquisition chain, the effects of geometric imperfections of the machine tool and compensation for thermal effects on the measurement results are discussed. An application of the method is then presented to assess a finishing process on a five-axis machining centre including milling and polishing operations.
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hal-00783922 , version 1 (02-02-2013)



Yann Quinsat, Christophe Tournier. In situ non-contact measurements of surface roughness. Precision Engineering, 2012, 36, pp.97-103. ⟨10.1016/j.precisioneng.2011.07.011⟩. ⟨hal-00783922⟩
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