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Proceedings Paper

MJ internal thread used for aerospace and its noncontact test method with a fiber optic sensor
Author(s): Yong Zhao; Pengsheng Li; Zhaobang Pu
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Paper Abstract

The characteristics of MJ internal threads used for aerospace products are introduced in this paper. The mathematical models and the design of a novel fiber-optic sensor for non-contact quantification test on MJ internal threads are presented. As to the feasibility of the sensor head, the theoretical analysis is given, and the experimental results agreed with them. The resolution the sensor developed can reach 0.1 micrometer when used to measure reference planes. And for the MJ internal thread measurement, the estimated uncertainty was around plus or minus 25 micrometer.

Paper Details

Date Published: 7 May 1999
PDF: 4 pages
Proc. SPIE 3740, Optical Engineering for Sensing and Nanotechnology (ICOSN '99), (7 May 1999); doi: 10.1117/12.347727
Show Author Affiliations
Yong Zhao, Harbin Institute of Technology (China)
Pengsheng Li, Harbin Institute of Technology (China)
Zhaobang Pu, Harbin Institute of Technology (China)

Published in SPIE Proceedings Vol. 3740:
Optical Engineering for Sensing and Nanotechnology (ICOSN '99)
Ichirou Yamaguchi, Editor(s)

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