Title

Constraint-based design of parts

Document Type

Article

Peer Reviewed

1

Publication Date

1-1-1995

Journal/Book/Conference Title

CAD Computer Aided Design

Abstract

The key issues in design for machining are abstraction, classification, representation and checking of machining constraints. The paper proposes an object-oriented classification scheme for machining constraints. Design by machining features that are restricted by machining constraints are considered. The constraints considered in the paper are probably not original; however, their application at an early design stage to achieve a manufacturable design is novel. To date, these known constraints have not been transformed into a meaningful design paradigm. Thus, a mechanism for checking machining constraints at the early stage of design is presented on the basis of a part topology. Algorithms are developed to check related machining constraints for different cases of part topology. Therefore, for each feature, only a limited number of machining constraints need to be checked. The constraint classification scheme and a mechanism for checking constraints have been implemented as a prototype system, CBD, which is coded in c++ on an HP workstation.

Keywords

Sustainability

Published Article/Book Citation

CAD Computer Aided Design, 27:5 (1995) pp.343-352.

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URL

http://ir.uiowa.edu/mie_pubs/35