Experimental Investigation of Edge Formation During Fiber Laser Cutting Of 8 Mm Thick Sheet Steel on An LF3015 Machine

The article presents the results of an experimental investigation of edge formation during fiber laser cutting of 8 mm thick sheet steel on an industrial LF3015 laser cutting machine system. The relevance of this study is associated with the need to improve the cut surface quality and reduce edge defects during the processing of metallic materials. During the study, an analysis of the cut surface morphology of the experimental samples was carried out. Characteristic edge defects were examined, including the formation of burrs, the structure of grooves (striations), and changes in surface geometry. It was established that the quality of the formed edge is determined by the stability of the metal melting processes and the efficiency of molten material removal by the flow of the assist gas. The obtained results indicate that morphological analysis of the cut surface can be used to evaluate the quality of laser processing and to optimize the technological parameters of the cutting process.

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