Design and Mould Flow Analysis of Injection Mould for Luggage Bag Wheel

Abstract

With the heavy demand in plastic products, plastic industries are growing in a faster rate. Plastic injection moulding begins with mould making and manufacturing of intricate shape with good dimensional accuracy. To meet such requirements it is very important to adopt various advance technologies for the development of injection moulded components. This study deals with Design and Mould Flow Analysis of an automatic plastic injection mould for production of Luggage Bag Wheel. Plastic wheels, commonly used in standard bags, suitcases are manufactured by the injection moulding process all around the world. This wheel is manufactured in three steps. The material used for wheel is Polypropylene (PP) for inner core and Thermoplastic Elastomer - Polyvinyl Chloride (PVC) for the Wheel Tyre. Guide bush is used which acts as a sleeve is made by material Derlyin (Polyacetal). Modelling is done by using Unigraphics (NX6.0). The elements of injection moulding tool are designed and analyzed by Mould Flow Analysis software. A Design of Experiments (DOE) of the moulding process parameters is used to identify key moulding parameters by analysing a multi cavity injection system.