Reason-A Technical Journal (Formerly Reason-A Technical Magazine)

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Nd: YAG Laser marking is flexible, programmable and environmentally clean process, which can indelibly mark at very fast speeds. The present paper deals with the analysis of laser marking process parameters like lamp current, laser scanning speed, pulse frequency of laser beam using Nd: YAG laser on various laser marking characteristics like the mark width, mark depth and mark intensity are studied during pulsed Nd: YAG laser marking on aluminium. The present study shows that high pulse frequency and lamp current with low scanning speed has more effect to achieve the minimum mark width, maximum mark depth. Also high pulse frequency and scanning speed has more effect on the mark intensity. In addition to it, analysis based on optical photographs has also been performed.

Keywords

Pulsed Laser, Nd: Yag Laser, Laser Marking, Mark Width, Mark Depth.
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