Abstract
AbstractThe current research work presents an optimization of injection molding parameters using Taguchi technique. The design of experiment (DOE) method of Taguchi is adopted to investigate the impact of the molding process factors on the yielding strength of PC/ABS blend and to set optimal combination factors reached a significant value of the mechanical property studied. Four molding factors such as material temperature (Tma), injection pressure (Pinj), holding time (th) and mold temperature (Tmo) were selected with three levels. Signal to noise (S/N) ratios were used for defining the optimal process combination parameters providing significant yielding strength. Results showed that 260 ℃ of a material temperature, 50 bar of injection pressure, 8 s of holding time and 60 ℃ of mold temperature are the optimum combination parameters. Moreover, the main injection molding process parameters which directly effect on the mechanical property of the injected PC/ABS blend are identified as material temperature, injection pressure, mold temperature and the holding time, respectively. The most effective factor is the injection pressure followed by material temperature and mold temperature. The injection pressure is the most significant parameter on the yielding strength of the injected PC/ABS parts. These worthy findings may have potential applications in automotive part industry.KeywordsTaguchi techniqueInjection molding parametersPC/ABS blendYielding strength
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