EXPERIMENTAL RESEARCH OF GAS LASER CUTTING OF STAINLESS STEELS WITH HIGH-POWER LASER RADIATION

Abstract

The main drawback of experimental studies of the technological process of gas laser cutting of stainless steels of various
thicknesses is their sporadic nature and the lack of a unified approach to establishing the relationship between cutting modes
and maximum process productivity with satisfactory cut quality.
Therefore, this study examines the influence of the main factors of gas laser cutting, such as different ranges of
workpiece thicknesses, variable conditions of laser beam focusing and defocusing, as well as the type and pressure of process
gases on the optimal cutting speed of stainless steel sheets.
As a result of such research, general recommendations have been formulated for selecting the optimal cutting modes
for stainless steels using powerful 20 kW laser radiation for different ranges of workpiece thicknesses, taking into account
various conditions for gas laser cutting, which significantly simplify the selection of the necessary modes for this type of
processing.