Improving the accuracy of micro injection moulding process simulations

David Maximilian Marhöfer, Guido Tosello, Aminul Islam, Hans Nørgaard Hansen

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Process simulations in micro injection moulding aim at the optimization and support of the design of the mould, mould inserts, the plastic product, and the process. Nevertheless, dedicated software packages for micro injection moulding are not available. They are developed for macro plastic parts and are therefore limited in the capability of modelling the polymer flow in micro cavities. Hence, new strategies for comprehensive simulation models which provide more precise results open up new opportunities and will be discussed. Modelling and meshing recommendations are presented, leading to a multi-scale mesh of all relevant units of the injection moulding system. The implementation of boundary conditions, e.g. machine and venting, and results illustrating their importance on the simulation accuracy are presented.
Original languageEnglish
Publication date2013
Number of pages2
Publication statusPublished - 2013
EventEUSPEN Micro/Nano Manufacturing Workshop - Karlsruhe, Germany
Duration: 27 Nov 201328 Nov 2013


WorkshopEUSPEN Micro/Nano Manufacturing Workshop

Bibliographical note

The present research was carried out within the project High Precision Micro Production Technologies (HI-MICRO) ( supported by the European Commission in the 7th Framework Programme (Grant no: 134055).


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