Abstract
Upon different traditional and unconventional contour cutting technologies, fiber laser cutting technology is increasingly emerging as the most adequate choice for modern industrial production. In this paper the basics, specific characteristics and associated benefits and opportunities, as well as latest research and development directions in fiber laser cutting technology were discussed. In addition, the study presents results obtained by realization of two pilot experiments, based on the use of one factor at a time (OFAT) experimental strategy, in fiber laser cutting of mild steel. The first OFAT experiment considered the analysis and modelling of the effect of focus position on the kerf width and surface roughness, while the second OFAT experiment investigated the effect of the cutting speed. Based on the analysis of experimental results more adequate parameter settings than initial were identified which was one of the underlying motives and goals of the present study.
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