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Title: A fuzzy set AHP-based DFM tool for rotational parts
Authors: Ong, S.K. 
Sun, M.J.
Nee, A.Y.C. 
Keywords: Analytic hierarchy process
Concurrent engineering
Design for manufacturability
Fuzzy sets
Issue Date: 20-Jul-2003
Citation: Ong, S.K., Sun, M.J., Nee, A.Y.C. (2003-07-20). A fuzzy set AHP-based DFM tool for rotational parts. Journal of Materials Processing Technology 138 (1-3) : 223-230. ScholarBank@NUS Repository.
Abstract: Design for manufacturability (DFM) requires product designers to simultaneously consider the manufacturing issues of a product along with the geometrical and design aspects. This paper reports a computer-aided DFM tool for product designers to evaluate the manufacturability of their designs. A fuzzy set-based manufacturability evaluation algorithm is formulated to generate relative manufacturability indices (MIs) to provide product designers with a better understanding of the relative ease or difficulty of machining the features in their designs. This computer-aided DFM system is developed for rotational parts. The MI of machining a part is decomposed into three components, namely, the support index, the clamping index, and the feature index. An analytic hierarchy process (AHP) method is introduced to assign weighting factors to features to reflect their functional importance. Results from the case studies show that the system is capable of generating sound MIs that could help product designers in making designs easier to manufacture, while not compromising the functional requirements of their designs. © 2003 Elsevier Science B.V. All rights reserved.
Source Title: Journal of Materials Processing Technology
ISSN: 09240136
DOI: 10.1016/S0924-0136(03)00076-1
Appears in Collections:Staff Publications

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