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http://dx.doi.org/10.7735/ksmte.2014.23.6.569

Analysis of Cutting Edge Geometry Effect on Surface Roughness in Ball-end Milling Using the Taguchi Method  

Cho, Chul Yong (Department of Mechanical Engineering, Chonbuk National University)
Ryu, Shi Hyoung (Department of Mechanical Engineering, Chonbuk National University)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.23, no.6, 2014 , pp. 569-575 More about this Journal
Abstract
In this study, the effect of cutting edge geometry, such as helix and rake angles, on surface roughness in ball-end milling is investigated by using the Taguchi method. A set of experiments adopting the $L_{27}(3^{13})$ design with an orthogonal array are conducted with special WC ball-end mills having different helix and rake angles. Analysis of variance (ANOVA) is performed to analyze the effects of tool geometry and machining parameters, such as cutting speed, feed per tooth, and depth of cut, on surface roughness. The ANOVA results reveal that helix and rake angles are critical factors affecting surface roughness; the interaction of helix angle and cutting speed is also important. This research can contribute to novel cutting edge designs of ball-end mills and optimization of cutting parameters.
Keywords
Ball-end mill; Taguchi method; Helix angle; Rake angle; Surface roughness;
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Times Cited By KSCI : 1  (Citation Analysis)
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