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Development of Nd-Yag Laser Marking System for Cylinderical Parts  

Lee, Se-Han (경남대학교 기계자동화공학부)
Kang, Jae-Gwan (경남대학교 기계자동화공학과)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.9, no.5, 2010 , pp. 70-75 More about this Journal
Abstract
In this paper, laser marking systems dedicated to cylinderical parts was developed. We first develop the marking device which consists of Nd-Yag laser, galvano scanner and additional rotational axis, then develop algorithm for supporting the digital image with bmp data format. Additional rotational axis is so attached as to rotate the cylinderical parts for marking its whole surface. The image is separated into line by line and the separated line image is sent to galvano scanner while rotating the additional axis simultaneously. CxImage library, famous open source code, is employed for the image processing. The developed method was tested with various images and shows that it reduces marking time significantly without reducing marking quality.
Keywords
Nd-Yag Laser; Laser Marking; Galvano Scanner; Bitmap file format; Cylinderical Parts;
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