Vermessung von Drehteilen durch Beugungsmusteranalyse

authored by

Helmut Ackermann, Jörn Korthals, Ludger Overmeyer

Abstract

From the shadow of a workpiece recorded by a CCD-sensor, its geometric profile can be determined. This profile mar be determined to a few microns using the Fresnel-diffraction-fringes at the shadow border, when the workpiece is illuminated with parallel monochromatic radiation. This measurement principle is used by a measurement system to measure workpieces produced by a lathe. The set-up, the image analysis and the calibration of this system are presented. Finally, using the measurement results of diameter and length, the advantages, specific problems, open questions and further applications of this optical measurement method are discussed.

External Organisation(s)

Laser Zentrum Hannover e.V. (LZH)

Type

Article

Journal

Technisches Messen

Volume

63

Pages

83-91

No. of pages

9

ISSN

0171-8096

Publication date

03.1996

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Instrumentation, Electrical and Electronic Engineering