Intelligent location-dimensioning of cylindrical surfaces in mechanical parts

This paper presents an intelligent dimensioning approach to generate location-dimensions of the cylindrical surfaces in mechanical parts, for their two-dimensional drawing automatically from their three-dimensional part models based on feature extraction. The key issues include the strategies and me...

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Bibliographic Details
Published in:Computer aided design 2002-03, Vol.34 (3), p.185-194
Main Authors: Chen, K.-Z, Feng, X.-A, Lu, Q.-S
Format: Article
Language:English
Subjects:
Applied sciences
Artificial intelligence
Computer aided design
Computer science
control theory
systems
Dimensioning
Exact sciences and technology
Expert system
Feature extraction
Intelligent CAD
Pattern recognition. Digital image processing. Computational geometry
Software
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Summary:This paper presents an intelligent dimensioning approach to generate location-dimensions of the cylindrical surfaces in mechanical parts, for their two-dimensional drawing automatically from their three-dimensional part models based on feature extraction. The key issues include the strategies and methods to establish an order of priorities for location-dimensioning of the cylindrical surfaces in mechanical parts, to eliminate their location-dimension redundancy, to determine location-dimensioning scheme, to assign the necessary location-dimensions to suitable views, and to locate them in reasonable positions for each view using artificial intelligent techniques. Based on the approach, a corresponding software prototype was developed. Finally, it is demonstrated, from an example of location-dimensioning, that the location-dimensions of all the holes in the multi-spindle headstock of a modular machine tool, were generated successfully using this intelligent dimensioning software prototype.
ISSN:0010-4485
1879-2685
DOI:10.1016/S0010-4485(01)00076-8