Design a dustpan and analyze the optimum injection molding parameters for a gate location

Ahmad Termizi, Nadiah (2015) Design a dustpan and analyze the optimum injection molding parameters for a gate location. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This project is about designing a dustpan and determined the optimum injection molding parameters for a gate location. In minimizing defects occurred in injection molding plastic parts, the need to analyze and confirmed the injection molding parameters before batch production is crucial to be practice. This study was conducted due to the lack of existing theoretical procedures to follow, the design process normally carried out on a trial and error method. The process analysis involves the simulation of molten material flow into the cavity of the injection mold Feeding system included sprue, runner and gate were designed to analyze the plastic flow in cavity during injection molding process. The process of analysis plastic flow in injection molding using simulation software is used to optimizing injection molding parameters which are injection pressure, melt temperature, fill time and cooling time. There were four different concept designs of dustpan where each concept has a different manufacturability to produce by using Allrounder Arburg 420C 800-250 Injection Molding Machine. The dustpan designs generated by using Solidworks 2013 and the geometry of feeding system was designed by using SolidWorks Plastics. Material applied during the computer simulation is Polypropylene. From the analysis result, optimum injection molding parameter which is injection pressure, average melt temperature, fill time and cooling time were obtained for a gate location been selected.

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