Studying Parameters of Cutting mild steel By "Carbon dioxide laser – oxygen and air jet" system

Abstract

The target of the present research is to show the optimum cutting speed and suitable pure oxygen gas pressure for particular thickness of mild steel using carbon dioxide laser as a cut tool. The relationships between basic cutting parameters using pure oxygen and mixed gases (90% oxygen and 10% air) were achieved. It was found that the laser power is proportional with the cutting speed for both pure oxygen and gas mixture, but the used power for cutting particular thickness higher for gas mixture in comparison with the pure oxygen. Presentation the correlations between different parameters gives better understanding for laser cutting process in general . In addition, the results of this work maybe support the common idea about CO2 laser as desirable cutting tool for modern technology field.