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Minimization of shrinkage in injection molding process of acetal polymer gear using Taguchi DOE optimization and ANOVA method
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Ramakrishnan, Ramkumar and Mao, Ken (2017) Minimization of shrinkage in injection molding process of acetal polymer gear using Taguchi DOE optimization and ANOVA method. International Journal of Mechanical and Industrial Technology, 4 (2). pp. 72-79.
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Official URL: http://www.researchpublish.com/journal/IJMIT/Issue...
Abstract
Injection molding is one of the very widely used manufacturing process for polymer materials due to its high production rate and low process cost. However, polymer parts manufactured through injection molding process are prone to various defects such as geometrical defect, shape related defect and visual defects. All designers work hard to minimize these defects and increase the quality of the molded part to satisfy the end application through the molding process parameters optimization with help of design of experiments (DOE). The main objective of this paper is to study the effect of various injection molding process parameters on the volumetric shrinkage of a acetal polymer gear part, identifying the most significant parameter causing high volumetric shrinkage and optimizing the process parameters through Taguchi orthogonal array design and analysis of variance (ANOVA) method. The acetal polymer gear injection molding process is simulated using Moldflow adviser ultimate simulation software and the change in volumetric shrinkage is analysed for various process parameters combination. Taguchi optimization and ANOVA method were found to be very useful in determining the most significant molding process parameter that affect volumetric shrinkage and optimizing the control parameters for achieving minimum part shrinkage.
| Item Type: | Journal Article | ||||||
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| Subjects: | T Technology > TP Chemical technology T Technology > TS Manufactures |
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| Divisions: | Faculty of Science > Engineering Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) |
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| Library of Congress Subject Headings (LCSH): | Injection molding of plastics, Gearing -- Manufacture, Gearing -- Shrinkage, Taguchi methods (Quality control) | ||||||
| Journal or Publication Title: | International Journal of Mechanical and Industrial Technology | ||||||
| Publisher: | Research Publish (India) | ||||||
| ISSN: | 2348-7593 | ||||||
| Official Date: | March 2017 | ||||||
| Dates: |
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| Date of first compliant deposit: | 31 October 2017 | ||||||
| Volume: | 4 | ||||||
| Number: | 2 | ||||||
| Page Range: | pp. 72-79 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access |
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