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Title: Multi-objective optimization of part-building orientation in stereolithography
Authors: Cheng, W.
Fuh, F.Y.H. 
Nee, A.Y.C. 
Wong, Y.S. 
Loh, H.T. 
Miyazawa, T. 
Issue Date: 1995
Citation: Cheng, W.,Fuh, F.Y.H.,Nee, A.Y.C.,Wong, Y.S.,Loh, H.T.,Miyazawa, T. (1995). Multi-objective optimization of part-building orientation in stereolithography. Rapid Prototyping Journal 1 (4) : 12-23. ScholarBank@NUS Repository.
Abstract: In rapid prototyping, such as SLA (stereolithography apparatus) and FDM (fused deposition modelling), the orientation of the part during fabrication is critical as it can affect part accuracy, reduce the production time, and minimize the requirement for supports and, thus, the cost of building the model. Presents a multi-objective approach for determining the optimal part-building orientation. Considers different objectives such as part accuracy and building time. Objective functions have been developed based on known sources of errors affecting part accuracy and the requirements of good orientations during the building of a model. The objective functions employ weights assigned to various surface types affecting part accuracy. The primary objective is to attain the specified accuracy achievable with the process. The secondary objective to minimize the building time. Gives examples to illustrate the algorithm for deriving the optimal orientation which can assure better part quality and higher building efficiency.
Source Title: Rapid Prototyping Journal
ISSN: 13552546
Appears in Collections:Staff Publications

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