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Research Article

Minimization of Defects Percentage in Injection Molding Process using Design of Experiment and Taguchi Approach

Abohashima HS1*, Aly MF1, Mohib A1and Attia HA2

1Faculty of Engineering, Industrial Engineering Department, Fayoum University, Egypt

2Faculty of Engineering, Engineering Mathematics and Physics Department, Fayoum University, Egypt

*Corresponding Author:
Hanaa Soliman Abohashima
Faculty of Engineering, Industrial Engineering
Department, Fayoum University, Egypt
Tel: +20 122 157 3820
E-mail: [email protected]

Received October 26, 2015; Accepted November 17, 2015; Published November 20, 2015

Citation:Abohashima HS, Aly MF, Mohib A, Attia HA (2015) Minimization of Defects Percentage in Injection Molding Process using Design of Experiment and Taguchi Approach. Ind Eng Manage 4:179. doi:10.4172/2169-0316.1000179

Copyright: ©2015 Abohashima HS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Injection molding is one of the most important forming processes for thermoplastic polymers. Setting the injection molding parameter such as injection pressure, injection speed, cooling time and packing pressure plays a very important role in controlling the quality of the products forming by injection molding process. Taguchi approach is a widely used technique for optimizing the molding process parameters. This paper presents a simple and efficient way to study the influence of injection molding parameters on defects percentage. Using Design of experiments and Taguchi approach, the significant parameters are optimized to minimize the defects percentage of the most common defects (inverted label and incomplete plastic filling) that appeared in thin walled containers for food packaging. The results of the experimental study indicate that Injection speed and Injection pressure are the dominant factors determining the quality. The injection speed of 300 CCm/Sec give lower inverted label defect and the injection pressure of 2000 bar give lower incomplete filling defect.

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