Development of a method to recognize punch shapes for progressive dies

A generic method for automatic shape recognition on two-dimensional contours, particularly used for recognizing punch shapes for progressive dies, is presented in this article. In this work, shapes of two-dimensional contours are defined by shape templates using a sequence of symbols, lists, and num...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part B, Journal of engineering manufacture Journal of engineering manufacture, 2015-06, Vol.229 (6), p.963-972
Main Authors: Hussein, HMA, Wang, F, Qudeiri, J Abu
Format: Article
Language:English
Subjects:
CAD
Computer aided design
Contours
Design engineering
Pattern recognition
Process engineering
Progressive dies
Punches
Recognition
Shape recognition
Two dimensional
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Summary:A generic method for automatic shape recognition on two-dimensional contours, particularly used for recognizing punch shapes for progressive dies, is presented in this article. In this work, shapes of two-dimensional contours are defined by shape templates using a sequence of symbols, lists, and numbers, and their definitions are stored in a specially designed database for the minimum number of shape definitions to be retrieved during shape recognition for optimal computational efficiency. When a contour is input from a computer-aided design system for shape recognition, the computer-aided design data are translated into shape components and input to the shape recognition device. Upon successful recognition of a shape, the shape code will be composed and its dimensional values will be extracted. Standard or special punch purchase code may be created automatically through this method.
ISSN:0954-4054
2041-2975
DOI:10.1177/0954405414534433