Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9052
Title: Parametric design and process parameter optimization for bra cup molding via response surface methodology
Authors: Wu, L
Yick, KL 
Ng, SP
Yip, J 
Kong, KH
Keywords: Bra cup molding
Parametric design
Polyurethane foam
Shrinkage
Thermal conductivity
Issue Date: 2012
Publisher: Pergamon Press
Source: Expert systems with applications, 2012, v. 39, no. 1, p. 162-171 How to cite?
Journal: Expert systems with applications 
Abstract: Seamless and traceless undergarments have rendered foam sheet molding as an important manufacturing technique for the intimate apparel industry. Seamless bra cups are made by one-step forming technology. The three-dimensional (3D) cup shape is formed by using high temperatures and pressures with flexible polyurethane foams. Nevertheless, the mold head design process and control of the bra cup molding process are highly complicated and error prone. There is limited knowledge about the effects of foam properties, molding parameters and foam cup geometric parameters on molding process optimization. This research presents a response surface methodology as the approach for parametric design and process parameter optimization of bra cup molding. The proposed approach integrates 3D scanning via reverse engineering, parameterized-based remeshing and registration algorithm, non-linear mathematical prediction models for cup shape conformity, a model of foam shrinkage and example-based bra cup design and grading to optimize the bra cup development and production process. The experimental results show that this method is highly effective and more timesaving in the design and development of new products, as well as providing consistent quality control of the bra cup molding process.
URI: http://hdl.handle.net/10397/9052
ISSN: 0957-4174
EISSN: 1873-6793
DOI: 10.1016/j.eswa.2011.07.003
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