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Utilizing a Grid method for Accuracy Study of Micro SLA parts

Minev, Ekaterin, Popov, Krastimir Borisov, Minev, Roussi, Dimov, Stefan Simeonov, Gagov, V. and Packianather, Michael Sylvester ORCID: 2010. Utilizing a Grid method for Accuracy Study of Micro SLA parts. Presented at: 7th International Conference on Multi-Material Micro Manufacture,, Bourg en Bresse and Oyonnax, France, 17-19 November 2010. Published in: Fillon, B., Khan-Malek, C. and Dimov, Stefan Simeonov eds. Proceedings of the 6th International Conference on Multi-Material Micro Manufacture. Singapore: Research Publishing, pp. 257-260. 10.3850/978-981-08-6555-9_154

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The paper introduces a methodology for strain estimation in studying the accuracy of the micro SLA process. The calculation of strains is carried out following the approach utilized in sheet metal forming analysis. The method consists of building a set of test plates with square grids. The simple geometry of the reference points on the grids allows easy measurement with optical metrology equipment controlled by purpose made software. The obtained set of grid point coordinates is used to calculate the offset between measured and nominal grid coordinates. A specially developed program calculates strains in each grid cell. Plots of strain distributions alongside x, y, z axis are generated and interpolated. The specific strains of meso-micro parts due to different factors during and after building is illustrated and explained. Directions for further research are also presented.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Engineering
Centre for Advanced Manufacturing Systems At Cardiff (CAMSAC)
Uncontrolled Keywords: Micro SLA, Accuracy, Metrology
Publisher: Research Publishing
ISBN: 9789810865559
Last Modified: 18 Oct 2022 14:13

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