Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement

In engineering and manufacturing fields, the surface must be under certain limits of roughness to ensure proper functionality and performance. Therefore, measuring surface roughness is vital to quality control in manufacturing industry. This study is first to develop an in-situ measurement system...

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主要作者: Fu, Shaowei
其他作者: David Lee Butler
格式: Theses and Dissertations
語言:English
出版: 2016
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在線閱讀:http://hdl.handle.net/10356/68668
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機構: Nanyang Technological University
語言: English
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spelling sg-ntu-dr.10356-686682023-03-11T17:15:51Z Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement Fu, Shaowei David Lee Butler School of Mechanical and Aerospace Engineering DRNTU::Engineering::Aeronautical engineering In engineering and manufacturing fields, the surface must be under certain limits of roughness to ensure proper functionality and performance. Therefore, measuring surface roughness is vital to quality control in manufacturing industry. This study is first to develop an in-situ measurement system able to calculate a surface roughness value by using a laser confocal displacement meter. In the later experiments, a roughness standard set with various machining processes and a set of gauge blocks were chosen for roughness measurement and calibration. In addition, a high precision stylus profilometer was used as a reference equipment. A series of surface roughness and step height measurements by using laser confocal displacement meter and stylus profilometer are conducted. With the data collected from the measurements, the comparison analysis and calibration will be conducted respectively. Then, the error compensation formulas will be provided to improve the roughness measurement accuracy of the laser confocal system. Master of Science (Aerospace Engineering) 2016-05-30T07:46:54Z 2016-05-30T07:46:54Z 2016 Thesis http://hdl.handle.net/10356/68668 en 81 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Aeronautical engineering
spellingShingle DRNTU::Engineering::Aeronautical engineering
Fu, Shaowei
Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
description In engineering and manufacturing fields, the surface must be under certain limits of roughness to ensure proper functionality and performance. Therefore, measuring surface roughness is vital to quality control in manufacturing industry. This study is first to develop an in-situ measurement system able to calculate a surface roughness value by using a laser confocal displacement meter. In the later experiments, a roughness standard set with various machining processes and a set of gauge blocks were chosen for roughness measurement and calibration. In addition, a high precision stylus profilometer was used as a reference equipment. A series of surface roughness and step height measurements by using laser confocal displacement meter and stylus profilometer are conducted. With the data collected from the measurements, the comparison analysis and calibration will be conducted respectively. Then, the error compensation formulas will be provided to improve the roughness measurement accuracy of the laser confocal system.
author2 David Lee Butler
author_facet David Lee Butler
Fu, Shaowei
format Theses and Dissertations
author Fu, Shaowei
author_sort Fu, Shaowei
title Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
title_short Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
title_full Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
title_fullStr Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
title_full_unstemmed Calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
title_sort calibration and accuracy improvement of miniaturized optical system for in-situ roughness measurement
publishDate 2016
url http://hdl.handle.net/10356/68668
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