Analysis Of Plastic Flow In Two Plate Injection Mould

Norman , Omar (2007) Analysis Of Plastic Flow In Two Plate Injection Mould. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis is focused on the analysis of plastic flow in two plate injection mould. Compact Disc Cases (top and bottom) are designed with two cavities as the plastic part in the two plate injection mould. Solidworks software is used to design the plastic part and Rhinocheros is used for meshing the surfaces of plastic part. Meanwhile at the stage of analysis, Moldex Software is used to perform the analysis of filling and packing. This thesis will discuss the flow of molten plastics inside the injection mould. The analysis begins at the origin of the flow and includes all major flow channels such as barrel, nozzle, sprue, runners and gates, until the two cavities are completely filled. In the analysis, plastic flow behaviour is studied together with parameters setting in plastic injection moulding. Based on this analysis, improvement has been made to the part design and feed system in the mould. This includes the location of gate at the part design, size of sprue, runners and gates. From the analysis also, Moldex Software helps to determine the part defect that might occurred during plastic injection moulding process such as short shot, unequal filling, over filling, welding line and others. From that, the optimum parameters setting are selected in order to get a quality plastic part. So, this thesis will explain the plastic flow analysis clearly.

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