Evaluation of optical functional surfaces on the injection moulding insert by micro milling process

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This study presents the optimization of micro milling process for manufacturing injection moulding inserts with an optical functionalsurface. The objective is the optimal surface functionality. Micro ridges were used as the microstructures to realize the function to generate contrast between orthogonally textured areas by reflecting light in different directions. In order to maximize the contrast,a sample was machined with the same structures and dimensions, according to a Design of Experiments (DOEs) to optimize the milling parameters by considering the contrast as a response. The contrast was evaluated based on the image processing method. The proper cutting condition was selected in order to obtain machined surface with the highest contrast and the results presented by DOE analysis. The correlations between the cutting parameters, the burrs height, and the function were determined. The contrast was found to be proportional to the spindle speed and feed rate and “oil+air” was considered as the preferred cooling method.
Original languageEnglish
Title of host publicationProceedings of the euspen Special Interest Group Meeting : Micro/Nano Manufacturing
Number of pages3
PublisherThe European Society for Precision Engineering and Nanotechnology
Publication date2017
Publication statusPublished - 2017
Eventeuspen Special Interest Group Meeting: Micro/Nano Manufacturing - University of Strathclyde, Glasgow, United Kingdom
Duration: 8 Nov 20179 Nov 2017


Conferenceeuspen Special Interest Group Meeting: Micro/Nano Manufacturing
LocationUniversity of Strathclyde
CountryUnited Kingdom

    Research areas

  • Optical functional surface, Micro milling, Optimization, DOE
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