Browse > Article
http://dx.doi.org/10.7234/composres.2016.29.1.007

Optimization of an Injection Molding Process for Polycarbonate Car Switch Buttons Using the Taguchi Method  

Kim, Cheol (Kyungpook National University, Department of Mechanical Engineering)
Park, Jaewoo (Kyungpook National University, Department of Mechanical Engineering)
Publication Information
Composites Research / v.29, no.1, 2016 , pp. 7-15 More about this Journal
Abstract
The quality of polymeric automotive parts depends highly on an injection molding process, which causes various defects, such as warpage, sink marks, weld lines, shrinkage, residual stress, etc. This study is to determine the optimum processing parameters, such as packing pressure, mold temperature, melting temperature, and packing time for the manufacture of polycarbonate buttons in cars on the basis of FEM, the Taguchi method, and analysis of variance (ANOVA). As a result, the optimum processing parameters of buttons made of polycarbonate material were obtained as follows: 140 MPa of packing pressure, $105^{\circ}C$ of mold temperature, $292.5^{\circ}C$ of melting temperature and 1 second of packing time. A gain of S/N (signal to noise) ratio, 10.2, was obtained with the optimum values. Moreover, the melting temperature was found to be the most significant factor followed by the mold temperature.
Keywords
Taguchi method; Process optimization; Injection molding; Polycarbonate button;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 Ahmad, A.H., Leman, Z., Azmir, M.A., Muhamad, K.F., Harun, W.S.W., Juliawati, A., and Alias, A.B.S., "Optimization of Warpage Defect in Injection Moulding Process using ABS Material," Proc. the 2009 Third Asia International Conference on Modelling & Simulation, 2009, pp. 470-472.
2 Kim, H.J., Improvement of Connector Injection Molding Process by QFD & Taguchi Method, M.S. Thesis, Hanyang University, 2010.
3 Oh, J. and Huh, Y., "A Study on Optimization of Injectionmolded System Using CAE and Design of Experiment," J. Korea Academia-Industrial Cooperation Society, Vol. 7, No. 3, 2006, pp. 271-277.
4 Bae, J., "Optimization of Multilayer Injection Molding Process using DOE & CAE", M.S. Thesis, Ulsan University, 2007.
5 Yang, H., Park, H., Na, H., and Park, E., "The Study on the Reliability Enhancement for CAE through Modification of Viscosity," KSAE 2011 Annual Conference, KSAE11-A0411, 2011, pp. 2246-2251.
6 Lee, W.J., Lee, S.E., and Kim, C.G., "A Study on Mechanical Properties of MWNT/PMMA Nanocomposites Fabricated by Injection Molding," J. Korean Society for Composite Materials, Vol. 17, No. 4, 2004, pp. 47-52.
7 Jeong, S., Moon, S., Jeoung, S., Lee, P., and Moon, J., "Optimization of Process Parameters of Die Slide Injection by Using Taguchi Method," Korean Chem. Eng. Res., Vol. 50, No. 2, 2012, pp. 264-269.   DOI
8 Taguchi, G., Taguchi on Robust Technology Development: Bringing Quality Engineering Upstream, ASME Press, 1993.
9 Taguchi, G., Introduction to Quality Engineering: Design Quality into Products and Processes, Asian Productivity Organization, 1986.