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Injection molding technology is popular due to its convenient to be implementation for mass production. An excellent molded part can be achieved through a correct mold design and optimal molding parameters. However, it is usually difficult to predict the molded part quality without suitable tools. In this work, a box consists of a cover and a base was molded in the same mold. Due to the different volume of each component of the box, a runner balance technology is used to make the filling pattern inside the mold balanced using Autodesk Moldflow. An experiment is also implemented to validate the predicted result.
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