Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/23298
Title: Application of the Box-Behnken design to the optimization of process parameters in foam cup molding
Authors: Wu, L
Yick, KL 
Ng, SP
Yip, J 
Keywords: Box-Behnken
Foam
Optimization
Response surface methodology
Shape conformity
Issue Date: 2012
Publisher: Pergamon Press
Source: Expert systems with applications, 2012, v. 39, no. 9, p. 8059-8065 How to cite?
Journal: Expert systems with applications 
Abstract: Currently, foam molding technologies are widely adopted for most bra styles, which demonstrate the incomparable advantages in the contemporary intimate apparel industry. The determination of proper molding conditions, such as molding temperatures and length of time on the basis of cup sizes and styles, is crucial in achieving the required cup shape with high stability, which is regarded as the most challenging part of the molded bra making process. To determine the optimal process parameter settings, numerous process trials are generally required to evaluate the molding variables and their interactions. This study proposes a novel systematic methodology to identify the optimal molding process parameters based on design of experiment (DOE) and a parameterization-based remesh method to evaluate the 3D shape conformity of molded cups. By solving the regression equation obtained from a Box-Behnken design (BBD) and analyzing the response surface plots, the results prove that molding temperature has greater influence than the length of the dwell time on the 3D shape conformity of molded cups. The optimal molding conditions can be determined for the cup depths of different sized mold heads, which are validated by the experimental results.
URI: http://hdl.handle.net/10397/23298
ISSN: 0957-4174
EISSN: 1873-6793
DOI: 10.1016/j.eswa.2012.01.137
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