Design and analysis of gating in plastic paper clip mold

Yahya, Sahrul Bakyah (2017) Design and analysis of gating in plastic paper clip mold. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This final year project is about "Design and Analysis of Gating in Plastic Paper Clips Mold". This project is focused on the design of the plastic paper clip and optimize size of gate and injection location using two suitable material which is High-Density Polyethylene and Polypropylene. The design of plastic paper clips have been drawn using the CATIA V5R16 software. Then, the software "Autodesk Simulation Moldflow Adviser" (SMA) is used to analyze the optimum size of gate and injection optimal for plastic paper clips. The project start by design a new propose design of plastic paper clip and then analyzing six different gate size which are 1mm x 1mm x 0.5mm, 1mm x 2mm x 0.5mm and 1mm x 3mm x 0.5mm for phase 1, and 1mm x 1mm x 1mm, 1mm x 2mm x 1mm and 1mm x 3mm x 1mm for phase 2 and two propose injection location which are front location and back location of product by using SMA software. The result for existing design was improve that there have three fingers and small bump at both side plastic paperclip. This design more grip to hold a sheet of paper. In order to find the optimum gate size, the analysis of Simulation Moldflow Adviser for the various gate size has been simulate to achieve the objective. The data derived from the result of the filling analysis is being ranking and screening in order to eliminate the product that has defect. After being ranking, the optimum gate size in plastic paper clip mold are 1mm x 3mm x 1mm for both material. The best injection location according to the selected gate size for both material is from back location based on the given parameters.

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