Automatic layout design of plastic injection mould cooling system

Authors:
C. L. Li;C. G. Li;A. C. K. Mok
Affiliations:
Department of Manufacturing Engineering and Engineering Management, The City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;Department of Manufacturing Engineering and Engineering Management, The City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China;Department of Manufacturing Engineering and Engineering Management, The City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
Venue:
Computer-Aided Design
Year:
2005

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Abstract

This research extends our previous investigation of the automation of the preliminary design stage to the layout design stage of the cooling system design process. While the functional aspects of the cooling system are considered during the preliminary design stage, the layout design stage addresses both the functionality and manufacturability of the design. A graph structure is devised to capture a given preliminary design and a graph traversal algorithm is developed to generate candidate cooling circuits from the graph structure. Heuristic search is employed to develop the cooling circuits into the layout designs by generation of tentative manufacturing plans. A framework for fuzzy evaluation of the layout designs is developed to rate the various design alternatives generated. An experimental system is implemented to verify the feasibility of the approach, and examples generated from the system are presented to illustrate the major steps of the automatic design process.