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Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring
Opt. Eng. 51, 014402 (Jan 31, 2012); http://dx.doi.org/10.1117/1.OE.51.1.014402
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Add to FacebookFor 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
History
Received Sep 22, 2011
Revised Nov 22, 2011
Published online Jan 31, 2012
Revised Nov 22, 2011
Published online Jan 31, 2012
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Florian Dreier, Philipp Günther, Thorsten Pfister and Jürgen Czarske, "Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring",
Opt. Eng. 51, 014402 (Jan 31, 2012); http://dx.doi.org/10.1117/1.OE.51.1.014402
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