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Surface characterization of die inserts used for LED lamp plastic lenses

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Aidibe, Ali, Nejad, Mojtaba Kamali, Tahan, Antoine, Jahazi, Mohammad et Cloutier, Sylvain G.. 2017. « Surface characterization of die inserts used for LED lamp plastic lenses ». International Journal of Advanced Manufacturing Technology, vol. 88, nº 9-12. pp. 3395-3403.
Compte des citations dans Scopus : 1.

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Jahazi M. 2016 13092 Surface characterization of die inserts.pdf - Accepted Version
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Abstract

The main objective of this paper is to investigate the effect of material characteristics and manufacturing processes on the surface textures of diamond cut inserts used for injected plastic optics in lighting applications. An overview of surface texture measurement is presented followed by an experimental procedure developed on 18 different die insert samples. A list of profile (2D) and areal (3D) surface texture measurement parameters characterizing the surface of the different samples is presented. The results of the analysis show that the average absolute roughness Ra, which is commonly used in industry, is not the only parameter representing the surface texture and is not a reliable discriminator for different types of surface textures. By using a principal component analysis technique, a list of significant parameters is proposed for a more accurate characterization of the surfaces resulting from different high precision diamond cutting processes. It is shown that the proposed parameters can be considered as optimum descriptors of the condition of the surface in diamond cutting and are those that show the greatest sensitivity to process variables.

Item Type: Peer reviewed article published in a journal
Professor:
Professor
Tahan, Antoine
Jahazi, Mohammad
Cloutier, Sylvain G.
Affiliation: Génie mécanique, Génie mécanique, Génie électrique
Date Deposited: 07 Jul 2016 21:24
Last Modified: 10 Oct 2018 20:25
URI: http://espace2.etsmtl.ca/id/eprint/13092

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