Influence of Injection and Cavity Pressure on the Demoulding Force in Micro-Injection Moulding

C.A. Griffiths, S.S. Dimov, S.G. Scholz, Guido Tosello, A. Rees

    Research output: Contribution to journalJournal articleResearchpeer-review


    The paper reports an experimental study that investigates part demoulding behavior in micro-injection moulding with a focus on the effects of pressure and temperature on the demoulding forces. In particular, the demoulding performance of a representative microfluidics part was studied as a function of four process parameters, melt temperature, mould temperature, holding pressure, and injection speed, employing the design of experiment approach. In addition, the results obtained using different combinations of process parameters were analyzed to identify the best processing conditions in regards to demoulding behavior of microparts when utilizing a COC polymer to mould them. © 2014 by ASME.
    Original languageEnglish
    Article number031014
    JournalJournal of Manufacturing Science and Engineering
    Issue number3
    Number of pages10
    Publication statusPublished - 2014


    • Molds
    • Holding pressure
    • Injection speed
    • Melt temperature
    • Micro-injection mouldings
    • Mould temperature
    • Pressure and temperature
    • Process parameters
    • Processing condition
    • Injection molding


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