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A study of injection moulding optimum parameters to control shrinkage and warpage of polypropylene-nanoclay hinges samples

Wan Muhammad, Wan Nur Azrina and Othman , Mohd Hilmi and Hasan, Sulaiman and Ruslee, M. F. (2013) A study of injection moulding optimum parameters to control shrinkage and warpage of polypropylene-nanoclay hinges samples. In: International Conference of Mechanical Engineering 2013 , 17-18 December 2013, Hotel Equatorial, Bangi .

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Abstract

Injection moulding is one of the most efficient processes in mass production that can easily attain up to complex geometry product within a very short cycle time. To choose a suitable setting of parameter was very crucial, in controlling the quality of product with regard to their function. The main propose of this research is to optimize the injection moulding parameter for controlling the shrinkage and warpage of thermoplastics sample through practical injection moulding. The additional study for this project is to investigate the effect of nanoclay contents towards the parameter setting. In this experiment, the selected parameters were packing pressure; melt temperature, screw speed and filling time. The material that was selected for this project was a mixture of polypropylene and nanoclay with the addition of polypropylene-grafted-maleic anhydride as the compatibilizer. Three formulations were chosen, which was 0 wt%, 3 wt% and 5 wt% of Nanoclay. Each formulation was added with 15 wt% of compatibilizer. The experiment design for this project shall adopt the ~ 9O4rth~ogo nal Array of Taguchi Method. By using the Signal to Noise Ratio responses, the optimum parameter for each formulation has been obtained. The findings of this experiment shall be useful for future manufacturing process in order to control shrinkage and warpage specifically for products made fi-om polypropylene-nanoclay.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: injection moulding; parameter settings polypropylene-nanoclay; hinges
Subjects: T Technology > TP Chemical technology > TP1080-1185 Polymers and polymer manufacture
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Materials Engineering and Design
Depositing User: Normajihan Abd. Rahman
Date Deposited: 04 May 2014 08:10
Last Modified: 04 May 2014 08:10
URI: http://eprints.uthm.edu.my/id/eprint/5408
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