Experimental And Optimization Of Process Parameters On Laser Beam Machining To Minimize Kerf Taper, Surface Roughness And Dross Formation Of SS304

Abstract

Laser machining is a common industrial technique used to inexpensively cut a variety of materials. This study focuses on investigating the laser machining of SS304. Laser kerf width and cut edge quality were affected by process parameters such as cutting speed (V), assist gas pressure level (p), and laser power to determine how to set laser cutting parameters so that the material removal rate can be increased while accounting for practical process limitations associated with dross formation (P). For optimization, a statistical approach known as "Response Surface Methodology" (RSM) is applied. Using RSM, the effects of control factors (laser power, cutting speed, and assist gas pressure) and categorical factors (ferrous and non-ferrous material) were studied for different responses (surface roughness, Dross formation, kerf taper for straight profile) using An analysis of variance, also known as an ANOVA, was carried out to ascertain the relevance of the operating parameters on the performance qualities that were being taken into account. Further experimentation has been conducted to validate the performance of optimal parameters. The proper set of process parameters has been selected based on the findings of this investigation. To assess the influence of individual parameters on surface roughness, dross formation, and kerf taper, an ANOVA analysis was performed. Subsequently, a confirmation test was conducted to compare the projected wear rate value with the experimental data.