NDLI: Algorithms for orthographic views with hidden entities and manufacturing features information for sheet metal parts

Content Provider	IEEE Xplore Digital Library
Author	Thanapandi, P. Tholath, J. Ishiguro, T. Takagi, T.
Copyright Year	2001
Description	Author affiliation: FA Software Div., Amada Co. Ltd., Kanagawa, Japan (Thanapandi, P.)
Abstract	This paper describes a procedure derived to generate orthographic views for 3D sheet metal parts with hidden lines information as well as feature information such as holes and forming shapes that are manufactured using punching and special forming tools. As the shape of the part becomes complex with many bends and the number of features in the model becomes larger, the hidden entity processing becomes slower. Optimized processing algorithms are needed to generate the orthographic views with hidden entities and feature information in order to develop competent software packages for the above application. Concepts and techniques to optimize the hidden line processing for complex sheet metal parts having large number of 3D objects, namely, faces, bend lines and other manufacturing features such as holes and forming shapes are described. The processing time required to produce results with desired accuracy has been greatly reduced by grouping the topological entities and processing the projection relationship among the objects of complex parts such as hidden line dependence, hidden line independence, and hidden line interdependence. The feature information are also optimally processed with the projection information of the 3D objects, and final views data will have feature information which are required to carry out easier inspection with original drawing data.
Sponsorship	Gen. Electr. Company
Starting Page	1241
Ending Page	1246
File Size	635470
Page Count	6
File Format	PDF
ISBN	0780367154
ISSN	08407789
DOI	10.1109/CCECE.2001.933619
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-13
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape Pulp manufacturing Manufacturing processes Design automation Software algorithms Punching Object oriented modeling Packaging Programming profession Face detection
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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