Characterization of additive manufacturing processes for polymer micro parts productions using direct light processing (DLP) method

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The process capability of additive manufacturing (AM) for direct production of miniaturized polymer components with micro features is analyzed in this work. The consideration of the minimum printable feature size and obtainable tolerances of AM process is a critical step to establish a process chains for the production of parts with micro scale features. A specifically designed direct light processing (DLP) AM machine suitable for precision printing has been used. A test part is designed having features with different sizes and aspect ratios in order to evaluate the DLP AM machine capability to fabricate polymer micro scale features geometries. Four different factors are evaluated for the AM process analysis: printing layer thickness, exposure time, film thickness and geometry. The process optimization of the workpiece quality features is carried out to highlight potential and challenges of the micro AM process.
Original languageEnglish
Publication date2017
Number of pages5
Publication statusPublished - 2017
Event33rd International Conference of the Polymer Processing Society (PPS-33) - Cancun, Mexico
Duration: 10 Dec 201714 Dec 2017

Conference

Conference33rd International Conference of the Polymer Processing Society (PPS-33)
CountryMexico
CityCancun
Period10/12/201714/12/2017
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