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Ultra-precision Grinding Machining of Glass Rod Lens Core With Aspheric  

Kim, Woo-Soon (원광대학교 기계자동차공학부)
Kim, Dong-Hyun (원광대학교 기계자동차공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.18, no.1, 2009 , pp. 76-82 More about this Journal
Abstract
To obtain the surface roughness with nano order, we need a ultra-precision machine, cutting condition, and materials. In this paper, the cutting condition for getting nano order smooth surface of core have been examined experimentally by the ultra-precision machine and diamond wheels. The effects of the cutting velocity, the feed rate and depth of cut on the surface roughness were studied. And also, the surface roughness was measured by the Form Talysurf series PGI 840. The champion data of developed core was surface roughness Rmax 24.6nm, figure accuracy Rmax 68.9nm.
Keywords
Ultra-precision machining; Surface roughness; Figure accuracy; Core;
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