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Influence of energy and optical factors on the quality of laser cutting of structural steel grade St3sp

Abstract

Influence of energy and optical factors on the quality of laser cutting of structural steel grade St3sp

Maliy D.V., Medvedev P.N.

Incoming article date: 06.03.2022

The article looks into the influence of energy and optical factors on the quality of laser cutting of thick sheet metal. The authors describe the advantages of using laser cutting in production and determine further directions in the development of laser technology. The work presents an analysis of Russian and foreign scientific research and highlights the indicators that affect the quality of manufacturing parts by laser cutting. The authors present the results of an experimental study of the influence of energy and optical factors and finding dependencies in order to determine the optimal technological modes for obtaining a high quality cut. The studies and experiments carried out made it possible to determine the optimal ratio between the focal spot diameter and the waist length when using lenses with focal lengths of 200, 250, and 300 mm. Based on the data obtained, the authors also formulated technical requirements for the development of a model of a laser optical head.

Keywords: laser cutting, radiation power, optical factor, parameters, laser head, experimental study