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Optical Engineering

Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring
Author(s): Florian Dreier; Philipp Günther; Thorsten Pfister; Jürgen W. Czarske
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Paper 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.

Paper Details

Date Published: 31 January 2012
PDF: 8 pages
Opt. Eng. 51(1) 014402 doi: 10.1117/1.OE.51.1.014402
Published in: Optical Engineering Volume 51, Issue 1
Show Author Affiliations
Florian Dreier, Technische Univ. Dresden (Germany)
Philipp Günther, Technische Univ. Dresden (Germany)
Thorsten Pfister, Technische Univ. Dresden (Germany)
Jürgen W. Czarske, Technische Univ. Dresden (Germany)

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