Please use this identifier to cite or link to this item: https://open.ni.ac.rs/handle/123456789/8184
Title: Determination of laser cutting process conditions using the preference selection index method
Authors: Madić, Miloš 
Antucheviciene J.
Radovanović, Miroslav 
Petković D.
Issue Date: 1-Mar-2017
Journal: Optics and Laser Technology
Abstract: © 2016 Elsevier Ltd Determination of adequate parameter settings for improvement of multiple quality and productivity characteristics at the same time is of great practical importance in laser cutting. This paper discusses the application of the preference selection index (PSI) method for discrete optimization of the CO2 laser cutting of stainless steel. The main motivation for application of the PSI method is that it represents an almost unexplored multi-criteria decision making (MCDM) method, and moreover, this method does not require assessment of the considered criteria relative significances. After reviewing and comparing the existing approaches for determination of laser cutting parameter settings, the application of the PSI method was explained in detail. Experiment realization was conducted by using Taguchi's L27 orthogonal array. Roughness of the cut surface, heat affected zone (HAZ), kerf width and material removal rate (MRR) were considered as optimization criteria. The proposed methodology is found to be very useful in real manufacturing environment since it involves simple calculations which are easy to understand and implement. However, while applying the PSI method it was observed that it can not be useful in situations where there exist a large number of alternatives which have attribute values (performances) very close to those which are preferred.
URI: https://open.ni.ac.rs/handle/123456789/8184
ISSN: 00303992
DOI: 10.1016/j.optlastec.2016.10.005
Appears in Collections:Naučne i umetničke publikacije

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