NDLI: A novel measurement and analysis technique for inspection of sheet metal parts based on statistics

Content Provider	IEEE Xplore Digital Library
Author	Wei Shao Awei Zhou Dengxin Hua
Copyright Year	2012
Description	Author affiliation: School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, China (Wei Shao)
Abstract	This paper presents the practical implementation of a novel shape measurement and analysis scheme for automatic quality inspection of sheet metal parts with large and complicated curved surfaces used widely for manufacturing applications base on statistics. In the proposed technique, the online measurement system (OLMS) developed with improved accuracy, flexibility and advanced measuring efficiency advantages, and the shape error analysis are used to assure quality and to reduce manufacturing costs and rework. The proposed shape error analysis technique first uses a statistical method to determine the number of test-points with suitable sample size. Then, the technique uses centroid-based matching and flexible transversal matching to perform the geometrical adjustment, following a report on detected shape errors. Experimental results showed satisfactory performances of the proposed shape measurement and analysis technique in terms of speed, accuracy and reliability in manufacturing processes.
Starting Page	77
Ending Page	82
File Size	1192655
Page Count	6
File Format	PDF
ISBN	9781457703430
e-ISBN	9781457703454
DOI	10.1109/ICIST.2012.6221611
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solid modeling Coordinate measuring machines Shape Shape measurement Inspection Benchmark testing Surface treatment
Content Type	Text
Resource Type	Article

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