A Study on Influence of Beam Orientation in Engraving Using CO2 Laser

  • Esther Wangui Jomo Kenyatta University of Agriculture and Technology
  • Bernard W. Ikua Jomo Kenyatta University of Agriculture and Technology
  • George N. Nyakoe Jomo Kenyatta University of Agriculture and Technology

Abstract

In recent times, lasers have been adopted in specific areas of machining because of their unique qualities. There has been a lot of research on the factors that affect the laser machining process. However most of this research has been conducted when machining with the beam perpendicular to the workpiece while there are cases where a non-vertical beam may be preferred for instance when machining features at oblique angles to the surface. Examples of such features are the cooling holes in certain parts of the aero-engine components or in the making of vias. This paper discusses the various uses of lasers in general, and further focuses on challenges in using sealed gas, continuous wave CO2 laser in engraving with a varying beam incidence angle. Experimental results showing the how the kerf width and machined depth vary with a changing beam incidence angle have also been presented.
Published
May 8, 2014
How to Cite
WANGUI, Esther; IKUA, Bernard W.; NYAKOE, George N.. A Study on Influence of Beam Orientation in Engraving Using CO2 Laser. JOURNAL OF SUSTAINABLE RESEARCH IN ENGINEERING, [S.l.], v. 1, n. 1, may 2014. ISSN 2409-1243. Available at: <http://sri.jkuat.ac.ke/ojs/index.php/sri/article/view/12>. Date accessed: 24 sep. 2017.
Section
Articles

Keywords

CO2 laser; engraving; beam incidence angle