31 January 2012 Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring
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Abstract
For in-process shape monitoring of rotating objects such as workpieces in a turning machine, contactless and compact sensors with high temporal resolution are necessary. For this challenging task, we developed a miniaturized and robust nonincremental interferometric fiber-optical distance sensor with dimensions of only 30×40×90 mm3, which enables attaching the sensor head directly to the mount of a turning tool bit. We present the results of in-process 3-D shape measurements of turning parts at a metal working lathe. To proof the accuracy of the measurement results, comparative measurements with tactile and optical sensors were performed. A maximal deviation between the different measurement methods of 2.2 μm was achieved for the determination of the mean height of a radial step.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE)
Florian Dreier, Florian Dreier, Philipp Günther, Philipp Günther, Thorsten Pfister, Thorsten Pfister, Jürgen W. Czarske, Jürgen W. Czarske, } "Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring," Optical Engineering 51(1), 014402 (31 January 2012). https://doi.org/10.1117/1.OE.51.1.014402 . Submission:
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