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http://dx.doi.org/10.14775/ksmpe.2020.19.04.071

Efficient 5-axis Machining of a Propeller using Geometric Properties  

Hwang, Jong-Dae (Department of Mechanical System, Busan Campus of Korea Polytechnics)
Yun, Il-Woo (Department of Mechanical System, Busan Campus of Korea Polytechnics)
Publication Information
Journal of the Korean Society of Manufacturing Process Engineers / v.19, no.4, 2020 , pp. 71-78 More about this Journal
Abstract
The rotary feed axes of a 5-axis machine tool can increase the freedom of the tool posture, while reducing feed speed and rigidity. In addition, as a ball-end mill is inevitably used during machining by rotational feed, the step-over length is reduced compared to the flat-end mill, thereby reducing the material removal rate. Therefore, this study attempts to improve the material removal rate, feed speed, and machining stability using the corner radius flat-end mill and a fixed controlled machining method for the rotary feed axes during roughing. In addition, the tapered ball-end mill and simultaneously controlled machining method for the rotary feed axes were used for finishing to improve the propeller's 5-axis machining efficiency by enhancing the surface quality. In order to create the tool path effectively and easily, we propose a specific approach for using the propeller's geometric properties and evaluate the effectiveness of the proposed method by comparing it with the method of the dedicated module.
Keywords
5-axis Machining; Propeller; Geometric Properties;
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