Laser cutting speeds for ceramic tile: a theoretical–empirical comparison |
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Authors: | I. Black |
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Affiliation: | Department of Mechanical and Chemical Engineering, Heriot–Watt University, Riccarton, Edinburgh EH14 4AS, UK |
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Abstract: | This paper presents a comparison of theoretically-predicted optimum cutting speeds for decorative ceramic tile with experimentally-derived data. Four well-established theoretical analyses are considered and applied to the laser cutting of ceramic tile, i.e. Rosenthal's moving point heat-source model and the heat balance approaches of Powell, Steen and Chryssolouris. The theoretical results are subsequently compared and contrasted with actual cutting data taken from an existing laser machining database. Empirical models developed by the author are described which have been successfully used to predict cutting speeds for various thicknesses of ceramic tile. |
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Keywords: | CO2 laser Ceramic materials Advanced cutting processes Laser modelling Cutting speeds |
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