Co2 Laser Engraving Of Stainless Steel

Mohd Ashraf , Mohd Fauzan (2008) Co2 Laser Engraving Of Stainless Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Micromachining is very important today as products are getting smaller and compact. Etching on stainless steel or normally is called engraving is conventionally done using conventional machining. As precision and time is becoming more important in manufacturing industry, laser is use for engraving to achieve higher precision, smaller engraving and faster process. This research is to study the effect of parameter on the characteristic of the engraving and the width size using conventional C02 laser machine on 304 grade stainless steel. In this study, engraving is done on 304 grade stainless steel that are done using eight experiments that involves eight parameters combination. The experiment is done with three replications to have a better result. The work piece is than analyzed and measured using metallurgical microscope. The results are than analyzed qualitatively and quantitatively. The quantitative results are analyzed utilizing Minitab and using Design of Experiment analysis. In this experiment, the engraving width is found to be greatly affected by the cutting speed and interaction of power and speed factor. The qualitative analysis however shows various characteristic differences despite using the same parameters combination. This study shows that engraving characteristic of width size can be predicted from parameters used when using conventional CO2 laser machine.

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