The strategy of visual inspection for non-geometric parts by using screen display techniques
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Publication Details
Author list: Lerthiranphanya P., Chanchalor S., Watanapa A.
Publisher: Faculty of Engineering
Publication year: 2019
Journal: Engineering Journal (0125-8281)
Volume number: 23
Issue number: 6
Start page: 311
End page: 329
Number of pages: 19
ISSN: 0125-8281
eISSN: 0125-8281
Languages: English-Great Britain (EN-GB)
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Abstract
The objective of this research is to determine the effectiveness of visual inspection strategies with different screen display techniques for non-geometric parts in terms of inspector performance measures to identify an effective inspection strategy. The study is divided into three experimental phases. Phase I and Phase II compare the effectiveness of defect search patterns and training patterns respectively, to determine the best effective search and training patterns. The results of both studies were integrated into screen display techniques to study and determine the most effective visual inspection strategy by using a visual inspection program in the final phase. Phase III compares the effectiveness of visual inspection with the strategy of screen display technique application. The evaluation of the effectiveness of all phases regarding the performance of participants was indicated by speed and accuracy of the visual inspection. The results of the studies found that the visual inspection strategy with a hybrid screen display technique was the best strategy for visual inspection. This strategy will make visual inspection performance 13.40 sec faster per piece and increase accuracy by 50.83%. The application of the visual inspection strategy can be a strategy for practice before performing actual inspections and can have applications for other inspection work, especially for defect inspection of non-geometric shapes and complex shapes. ฉ 2019, Chulalongkorn University, Faculty of Fine and Applied Arts. All rights reserved.
Keywords
Inspection task, Non-geometric, Screen display
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