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.
Influence of Injection and Cavity Pressure on the Demoulding Force in Micro-Injection Moulding
and Civil Engineering,
Contributed by the Manufacturing Engineering Division of ASME for publication in the JOURNAL OF MANUFACTURING SCIENCE AND ENGINEERING. Manuscript received May 13, 2011; final manuscript received February 26, 2014; published online April 11, 2014. Assoc. Editor: Allen Y. Yi.
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Griffiths, C. A., Dimov, S. S., Scholz, S. G., Tosello, G., and Rees, A. (April 11, 2014). "Influence of Injection and Cavity Pressure on the Demoulding Force in Micro-Injection Moulding." ASME. J. Manuf. Sci. Eng. June 2014; 136(3): 031014. https://doi.org/10.1115/1.4026983
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